prec/Makefile
 prec/impl/Makefile
 prec/impl/psb_c_bjacprec_impl.f90
 prec/impl/psb_c_diagprec_impl.f90
 prec/impl/psb_c_nullprec_impl.f90
 prec/impl/psb_cilu_fct.f90
 prec/impl/psb_cprecbld.f90
 prec/impl/psb_cprecinit.f90
 prec/impl/psb_cprecset.f90
 prec/impl/psb_d_bjacprec_impl.f90
 prec/impl/psb_d_diagprec_impl.f90
 prec/impl/psb_d_nullprec_impl.f90
 prec/impl/psb_dilu_fct.f90
 prec/impl/psb_dprecbld.f90
 prec/impl/psb_dprecinit.f90
 prec/impl/psb_dprecset.f90
 prec/impl/psb_s_bjacprec_impl.f90
 prec/impl/psb_s_diagprec_impl.f90
 prec/impl/psb_s_nullprec_impl.f90
 prec/impl/psb_silu_fct.f90
 prec/impl/psb_sprecbld.f90
 prec/impl/psb_sprecinit.f90
 prec/impl/psb_sprecset.f90
 prec/impl/psb_z_bjacprec_impl.f90
 prec/impl/psb_z_diagprec_impl.f90
 prec/impl/psb_z_nullprec_impl.f90
 prec/impl/psb_zilu_fct.f90
 prec/impl/psb_zprecbld.f90
 prec/impl/psb_zprecinit.f90
 prec/impl/psb_zprecset.f90
 prec/psb_c_base_prec_mod.f90
 prec/psb_c_bjacprec.f90
 prec/psb_c_diagprec.f90
 prec/psb_c_nullprec.f90
 prec/psb_cilu_fct.f90
 prec/psb_cprecbld.f90
 prec/psb_cprecinit.f90
 prec/psb_cprecset.f90
 prec/psb_d_base_prec_mod.f90
 prec/psb_d_bjacprec.f90
 prec/psb_d_diagprec.f90
 prec/psb_d_nullprec.f90
 prec/psb_dilu_fct.f90
 prec/psb_dprecbld.f90
 prec/psb_dprecinit.f90
 prec/psb_dprecset.f90
 prec/psb_s_base_prec_mod.f90
 prec/psb_s_bjacprec.f90
 prec/psb_s_diagprec.f90
 prec/psb_s_nullprec.f90
 prec/psb_silu_fct.f90
 prec/psb_sprecbld.f90
 prec/psb_sprecinit.f90
 prec/psb_sprecset.f90
 prec/psb_z_base_prec_mod.f90
 prec/psb_z_bjacprec.f90
 prec/psb_z_diagprec.f90
 prec/psb_z_nullprec.f90
 prec/psb_zilu_fct.f90
 prec/psb_zprecbld.f90
 prec/psb_zprecinit.f90
 prec/psb_zprecset.f90

Split and reorganization of PREC subdir (from preprocessing).
Split of preconditioners into interface/implementation.
psblas3-type-indexed
Salvatore Filippone 13 years ago
parent 572e9e6b66
commit cbcb0d6a7b

@ -12,14 +12,6 @@ MODOBJS=psb_prec_const_mod.o\
psb_c_diagprec.o psb_c_nullprec.o psb_c_bjacprec.o \ psb_c_diagprec.o psb_c_nullprec.o psb_c_bjacprec.o \
psb_z_diagprec.o psb_z_nullprec.o psb_z_bjacprec.o psb_z_diagprec.o psb_z_nullprec.o psb_z_bjacprec.o
F90OBJS= psb_dilu_fct.o\
psb_dprecbld.o psb_dprecset.o psb_dprecinit.o \
psb_silu_fct.o\
psb_sprecbld.o psb_sprecset.o psb_sprecinit.o \
psb_cilu_fct.o\
psb_cprecbld.o psb_cprecset.o psb_cprecinit.o \
psb_zilu_fct.o\
psb_zprecbld.o psb_zprecset.o psb_zprecinit.o
LIBMOD=psb_prec_mod$(.mod) LIBMOD=psb_prec_mod$(.mod)
LOCAL_MODS=$(MODOBJS:.o=$(.mod)) LOCAL_MODS=$(MODOBJS:.o=$(.mod))
@ -39,7 +31,6 @@ impld: $(OBJS)
$(OBJS): $(LIBDIR)/psb_base_mod$(.mod) $(OBJS): $(LIBDIR)/psb_base_mod$(.mod)
$(F90OBJS): $(MODOBJS)
psb_s_base_prec_mod.o psb_d_base_prec_mod.o psb_c_base_prec_mod.o psb_z_base_prec_mod.o: psb_prec_const_mod.o psb_s_base_prec_mod.o psb_d_base_prec_mod.o psb_c_base_prec_mod.o psb_z_base_prec_mod.o: psb_prec_const_mod.o
psb_s_prec_type.o: psb_s_base_prec_mod.o psb_s_prec_type.o: psb_s_base_prec_mod.o
@ -60,6 +51,8 @@ psb_z_bjacprec.o psb_z_diagprec.o psb_z_nullprec.o: psb_prec_mod.o psb_z_base_pr
veryclean: clean veryclean: clean
/bin/rm -f $(LIBNAME) /bin/rm -f $(LIBNAME)
clean: iclean:
cd impl && $(MAKE) clean
clean: iclean
/bin/rm -f $(OBJS) $(LOCAL_MODS) /bin/rm -f $(OBJS) $(LOCAL_MODS)

@ -3,15 +3,17 @@ include ../../Make.inc
LIBDIR=../../lib LIBDIR=../../lib
HERE=.. HERE=..
OBJS=psb_s_prec_type_impl.o psb_d_prec_type_impl.o \ OBJS=psb_s_prec_type_impl.o psb_d_prec_type_impl.o \
psb_c_prec_type_impl.o psb_z_prec_type_impl.o psb_c_prec_type_impl.o psb_z_prec_type_impl.o \
psb_d_diagprec_impl.o psb_d_bjacprec_impl.o psb_d_nullprec_impl.o \
psb_dilu_fct.o\
F90OBJS= psb_dilu_fct.o\
psb_dprecbld.o psb_dprecset.o psb_dprecinit.o \ psb_dprecbld.o psb_dprecset.o psb_dprecinit.o \
psb_s_diagprec_impl.o psb_s_bjacprec_impl.o psb_s_nullprec_impl.o \
psb_silu_fct.o\ psb_silu_fct.o\
psb_sprecbld.o psb_sprecset.o psb_sprecinit.o \ psb_sprecbld.o psb_sprecset.o psb_sprecinit.o \
psb_c_diagprec_impl.o psb_c_bjacprec_impl.o psb_c_nullprec_impl.o \
psb_cilu_fct.o\ psb_cilu_fct.o\
psb_cprecbld.o psb_cprecset.o psb_cprecinit.o \ psb_cprecbld.o psb_cprecset.o psb_cprecinit.o \
psb_z_diagprec_impl.o psb_z_bjacprec_impl.o psb_z_nullprec_impl.o \
psb_zilu_fct.o\ psb_zilu_fct.o\
psb_zprecbld.o psb_zprecset.o psb_zprecinit.o psb_zprecbld.o psb_zprecset.o psb_zprecinit.o

@ -0,0 +1,605 @@
subroutine psb_c_bjac_dump(prec,info,prefix,head)
use psb_base_mod
use psb_c_bjacprec, psb_protect_name => psb_c_bjac_dump
implicit none
class(psb_c_bjac_prec_type), intent(in) :: prec
integer, intent(out) :: info
character(len=*), intent(in), optional :: prefix,head
integer :: i, j, il1, iln, lname, lev
integer :: ictxt,iam, np
character(len=80) :: prefix_
character(len=120) :: fname ! len should be at least 20 more than
! len of prefix_
info = 0
ictxt = prec%get_ctxt()
call psb_info(ictxt,iam,np)
if (present(prefix)) then
prefix_ = trim(prefix(1:min(len(prefix),len(prefix_))))
else
prefix_ = "dump_fact_c"
end if
lname = len_trim(prefix_)
fname = trim(prefix_)
write(fname(lname+1:lname+5),'(a,i3.3)') '_p',iam
lname = lname + 5
write(fname(lname+1:),'(a)')'_lower.mtx'
if (prec%av(psb_l_pr_)%is_asb()) &
& call prec%av(psb_l_pr_)%print(fname,head=head)
write(fname(lname+1:),'(a,a)')'_diag.mtx'
if (allocated(prec%d)) &
& call psb_geprt(fname,prec%d,head=head)
write(fname(lname+1:),'(a)')'_upper.mtx'
if (prec%av(psb_u_pr_)%is_asb()) &
& call prec%av(psb_u_pr_)%print(fname,head=head)
end subroutine psb_c_bjac_dump
subroutine psb_c_bjac_apply_vect(alpha,prec,x,beta,y,desc_data,info,trans,work)
use psb_base_mod
use psb_c_bjacprec, psb_protect_name => psb_c_bjac_apply_vect
implicit none
type(psb_desc_type),intent(in) :: desc_data
class(psb_c_bjac_prec_type), intent(inout) :: prec
complex(psb_spk_),intent(in) :: alpha,beta
type(psb_c_vect_type),intent(inout) :: x
type(psb_c_vect_type),intent(inout) :: y
integer, intent(out) :: info
character(len=1), optional :: trans
complex(psb_spk_),intent(inout), optional, target :: work(:)
! Local variables
integer :: n_row,n_col
complex(psb_spk_), pointer :: ww(:), aux(:)
type(psb_c_vect_type) :: wv, wv1
integer :: ictxt,np,me, err_act, int_err(5)
integer :: debug_level, debug_unit
character :: trans_
character(len=20) :: name='c_bjac_prec_apply'
character(len=20) :: ch_err
info = psb_success_
call psb_erractionsave(err_act)
debug_unit = psb_get_debug_unit()
debug_level = psb_get_debug_level()
ictxt = desc_data%get_context()
call psb_info(ictxt, me, np)
trans_ = psb_toupper(trans)
select case(trans_)
case('N','T','C')
! Ok
case default
call psb_errpush(psb_err_iarg_invalid_i_,name)
goto 9999
end select
n_row = desc_data%get_local_rows()
n_col = desc_data%get_local_cols()
if (x%get_nrows() < n_row) then
info = 36
call psb_errpush(info,name,i_err=(/2,n_row,0,0,0/))
goto 9999
end if
if (y%get_nrows() < n_row) then
info = 36
call psb_errpush(info,name,i_err=(/3,n_row,0,0,0/))
goto 9999
end if
if (.not.allocated(prec%dv)) then
info = 1124
call psb_errpush(info,name,a_err="preconditioner: D")
goto 9999
end if
if (prec%dv%get_nrows() < n_row) then
info = 1124
call psb_errpush(info,name,a_err="preconditioner: D")
goto 9999
end if
if (n_col <= size(work)) then
ww => work(1:n_col)
if ((4*n_col+n_col) <= size(work)) then
aux => work(n_col+1:)
else
allocate(aux(4*n_col),stat=info)
endif
else
allocate(ww(n_col),aux(4*n_col),stat=info)
endif
if (info == psb_success_) allocate(wv%v,mold=x%v)
if (info /= psb_success_) then
call psb_errpush(psb_err_from_subroutine_,name,a_err='Allocate')
goto 9999
end if
call psb_geasb(wv,desc_data,info,mold=x%v,scratch=.true.)
call psb_geasb(wv1,desc_data,info,mold=x%v,scratch=.true.)
select case(prec%iprcparm(psb_f_type_))
case(psb_f_ilu_n_)
select case(trans_)
case('N')
call psb_spsm(cone,prec%av(psb_l_pr_),x,czero,wv,desc_data,info,&
& trans=trans_,scale='L',diag=prec%dv,choice=psb_none_,work=aux)
if(info == psb_success_) call psb_spsm(alpha,prec%av(psb_u_pr_),wv,&
& beta,y,desc_data,info,&
& trans=trans_,scale='U',choice=psb_none_, work=aux)
case('T')
call psb_spsm(cone,prec%av(psb_u_pr_),x,czero,wv,desc_data,info,&
& trans=trans_,scale='L',diag=prec%dv,choice=psb_none_, work=aux)
if(info == psb_success_) call psb_spsm(alpha,prec%av(psb_l_pr_),wv,&
& beta,y,desc_data,info,&
& trans=trans_,scale='U',choice=psb_none_,work=aux)
case('C')
call psb_spsm(cone,prec%av(psb_u_pr_),x,czero,wv,desc_data,info,&
& trans=trans_,scale='U',choice=psb_none_, work=aux)
call wv1%mlt(cone,prec%dv,wv,czero,info,conjgx=trans_)
if(info == psb_success_) call psb_spsm(alpha,prec%av(psb_l_pr_),wv,&
& beta,y,desc_data,info,&
& trans=trans_,scale='U',choice=psb_none_,work=aux)
end select
if (info /= psb_success_) then
ch_err="psb_spsm"
goto 9999
end if
case default
info = psb_err_internal_error_
call psb_errpush(info,name,a_err='Invalid factorization')
goto 9999
end select
call psb_halo(y,desc_data,info,data=psb_comm_mov_)
call wv%free(info)
call wv1%free(info)
if (n_col <= size(work)) then
if ((4*n_col+n_col) <= size(work)) then
else
deallocate(aux)
endif
else
deallocate(ww,aux)
endif
call psb_erractionrestore(err_act)
return
9999 continue
call psb_errpush(info,name,i_err=int_err,a_err=ch_err)
call psb_erractionrestore(err_act)
if (err_act == psb_act_abort_) then
call psb_error()
return
end if
return
end subroutine psb_c_bjac_apply_vect
subroutine psb_c_bjac_apply(alpha,prec,x,beta,y,desc_data,info,trans,work)
use psb_base_mod
use psb_c_bjacprec, psb_protect_name => psb_c_bjac_apply
implicit none
type(psb_desc_type),intent(in) :: desc_data
class(psb_c_bjac_prec_type), intent(in) :: prec
complex(psb_spk_),intent(in) :: alpha,beta
complex(psb_spk_),intent(inout) :: x(:)
complex(psb_spk_),intent(inout) :: y(:)
integer, intent(out) :: info
character(len=1), optional :: trans
complex(psb_spk_),intent(inout), optional, target :: work(:)
! Local variables
integer :: n_row,n_col
complex(psb_spk_), pointer :: ww(:), aux(:)
integer :: ictxt,np,me, err_act, int_err(5)
integer :: debug_level, debug_unit
character :: trans_
character(len=20) :: name='c_bjac_prec_apply'
character(len=20) :: ch_err
info = psb_success_
call psb_erractionsave(err_act)
debug_unit = psb_get_debug_unit()
debug_level = psb_get_debug_level()
ictxt = desc_data%get_context()
call psb_info(ictxt, me, np)
trans_ = psb_toupper(trans)
select case(trans_)
case('N','T','C')
! Ok
case default
call psb_errpush(psb_err_iarg_invalid_i_,name)
goto 9999
end select
n_row = desc_data%get_local_rows()
n_col = desc_data%get_local_cols()
if (size(x) < n_row) then
info = 36
call psb_errpush(info,name,i_err=(/2,n_row,0,0,0/))
goto 9999
end if
if (size(y) < n_row) then
info = 36
call psb_errpush(info,name,i_err=(/3,n_row,0,0,0/))
goto 9999
end if
if (.not.allocated(prec%dv)) then
info = 1124
call psb_errpush(info,name,a_err="preconditioner: D")
goto 9999
end if
if (prec%dv%get_nrows() < n_row) then
info = 1124
call psb_errpush(info,name,a_err="preconditioner: D")
goto 9999
end if
if (n_col <= size(work)) then
ww => work(1:n_col)
if ((4*n_col+n_col) <= size(work)) then
aux => work(n_col+1:)
else
allocate(aux(4*n_col),stat=info)
if (info /= psb_success_) then
call psb_errpush(psb_err_from_subroutine_,name,a_err='Allocate')
goto 9999
end if
endif
else
allocate(ww(n_col),aux(4*n_col),stat=info)
if (info /= psb_success_) then
call psb_errpush(psb_err_from_subroutine_,name,a_err='Allocate')
goto 9999
end if
endif
select case(prec%iprcparm(psb_f_type_))
case(psb_f_ilu_n_)
select case(trans_)
case('N')
call psb_spsm(cone,prec%av(psb_l_pr_),x,czero,ww,desc_data,info,&
& trans=trans_,scale='L',diag=prec%dv%v%v,choice=psb_none_,work=aux)
if(info == psb_success_) call psb_spsm(alpha,prec%av(psb_u_pr_),ww,&
& beta,y,desc_data,info,&
& trans=trans_,scale='U',choice=psb_none_, work=aux)
case('T')
call psb_spsm(cone,prec%av(psb_u_pr_),x,czero,ww,desc_data,info,&
& trans=trans_,scale='L',diag=prec%dv%v%v,choice=psb_none_, work=aux)
if(info == psb_success_) call psb_spsm(alpha,prec%av(psb_l_pr_),ww,&
& beta,y,desc_data,info,&
& trans=trans_,scale='U',choice=psb_none_,work=aux)
case('C')
call psb_spsm(cone,prec%av(psb_u_pr_),x,czero,ww,desc_data,info,&
& trans=trans_,scale='U',choice=psb_none_, work=aux)
ww(1:n_row) = ww(1:n_row)*conjg(prec%dv%v%v(1:n_row))
if(info == psb_success_) call psb_spsm(alpha,prec%av(psb_l_pr_),ww,&
& beta,y,desc_data,info,&
& trans=trans_,scale='U',choice=psb_none_,work=aux)
end select
if (info /= psb_success_) then
ch_err="psb_spsm"
goto 9999
end if
case default
info = psb_err_internal_error_
call psb_errpush(info,name,a_err='Invalid factorization')
goto 9999
end select
call psb_halo(y,desc_data,info,data=psb_comm_mov_)
if (n_col <= size(work)) then
if ((4*n_col+n_col) <= size(work)) then
else
deallocate(aux)
endif
else
deallocate(ww,aux)
endif
call psb_erractionrestore(err_act)
return
9999 continue
call psb_errpush(info,name,i_err=int_err,a_err=ch_err)
call psb_erractionrestore(err_act)
if (err_act == psb_act_abort_) then
call psb_error()
return
end if
return
end subroutine psb_c_bjac_apply
subroutine psb_c_bjac_precinit(prec,info)
use psb_base_mod
use psb_c_bjacprec, psb_protect_name => psb_c_bjac_precinit
Implicit None
class(psb_c_bjac_prec_type),intent(inout) :: prec
integer, intent(out) :: info
Integer :: err_act, nrow
character(len=20) :: name='c_bjac_precinit'
call psb_erractionsave(err_act)
info = psb_success_
call psb_realloc(psb_ifpsz,prec%iprcparm,info)
if (info /= psb_success_) then
info = psb_err_alloc_dealloc_
call psb_Errpush(info,name)
goto 9999
end if
prec%iprcparm(:) = 0
prec%iprcparm(psb_p_type_) = psb_bjac_
prec%iprcparm(psb_f_type_) = psb_f_ilu_n_
prec%iprcparm(psb_ilu_fill_in_) = 0
call psb_erractionrestore(err_act)
return
9999 continue
call psb_erractionrestore(err_act)
if (err_act == psb_act_abort_) then
call psb_error()
return
end if
return
end subroutine psb_c_bjac_precinit
subroutine psb_c_bjac_precbld(a,desc_a,prec,info,upd,amold,afmt,vmold)
use psb_base_mod
use psb_prec_mod, only : psb_ilu_fct
use psb_c_bjacprec, psb_protect_name => psb_c_bjac_precbld
Implicit None
type(psb_cspmat_type), intent(in), target :: a
type(psb_desc_type), intent(in), target :: desc_a
class(psb_c_bjac_prec_type),intent(inout) :: prec
integer, intent(out) :: info
character, intent(in), optional :: upd
character(len=*), intent(in), optional :: afmt
class(psb_c_base_sparse_mat), intent(in), optional :: amold
class(psb_c_base_vect_type), intent(in), optional :: vmold
! .. Local Scalars ..
integer :: i, m
integer :: int_err(5)
character :: trans, unitd
type(psb_c_csr_sparse_mat), allocatable :: lf, uf
complex(psb_spk_), allocatable :: dd(:)
integer nztota, err_act, n_row, nrow_a,n_col, nhalo
integer :: ictxt,np,me
character(len=20) :: name='c_bjac_precbld'
character(len=20) :: ch_err
if(psb_get_errstatus() /= 0) return
info = psb_success_
call psb_erractionsave(err_act)
ictxt=desc_a%get_context()
call psb_info(ictxt, me, np)
call prec%set_ctxt(ictxt)
m = a%get_nrows()
if (m < 0) then
info = psb_err_iarg_neg_
int_err(1) = 1
int_err(2) = m
call psb_errpush(info,name,i_err=int_err)
goto 9999
endif
trans = 'N'
unitd = 'U'
select case(prec%iprcparm(psb_f_type_))
case(psb_f_ilu_n_)
if (allocated(prec%av)) then
if (size(prec%av) < psb_bp_ilu_avsz) then
do i=1,size(prec%av)
call prec%av(i)%free()
enddo
deallocate(prec%av,stat=info)
endif
end if
if (.not.allocated(prec%av)) then
allocate(prec%av(psb_max_avsz),stat=info)
if (info /= psb_success_) then
call psb_errpush(psb_err_alloc_dealloc_,name)
goto 9999
end if
endif
nrow_a = desc_a%get_local_rows()
nztota = a%get_nzeros()
n_col = desc_a%get_local_cols()
nhalo = n_col-nrow_a
n_row = nrow_a
allocate(lf,uf,stat=info)
if (info == psb_success_) call lf%allocate(n_row,n_row,nztota)
if (info == psb_success_) call uf%allocate(n_row,n_row,nztota)
if(info /= psb_success_) then
info=psb_err_from_subroutine_
ch_err='psb_sp_all'
call psb_errpush(info,name,a_err=ch_err)
goto 9999
end if
allocate(dd(n_row),stat=info)
if (info == psb_success_) then
allocate(prec%dv, stat=info)
if (info == 0) then
if (present(vmold)) then
allocate(prec%dv%v,mold=vmold,stat=info)
else
allocate(psb_c_base_vect_type :: prec%dv%v,stat=info)
end if
end if
end if
if (info /= psb_success_) then
call psb_errpush(psb_err_from_subroutine_,name,a_err='Allocate')
goto 9999
endif
! This is where we have no renumbering, thus no need
call psb_ilu_fct(a,lf,uf,dd,info)
if(info == psb_success_) then
call prec%av(psb_l_pr_)%mv_from(lf)
call prec%av(psb_u_pr_)%mv_from(uf)
call prec%av(psb_l_pr_)%set_asb()
call prec%av(psb_u_pr_)%set_asb()
call prec%av(psb_l_pr_)%trim()
call prec%av(psb_u_pr_)%trim()
call prec%dv%bld(dd)
call move_alloc(dd,prec%d)
else
info=psb_err_from_subroutine_
ch_err='psb_ilu_fct'
call psb_errpush(info,name,a_err=ch_err)
goto 9999
end if
case(psb_f_none_)
info=psb_err_from_subroutine_
ch_err='Inconsistent prec psb_f_none_'
call psb_errpush(info,name,a_err=ch_err)
goto 9999
case default
info=psb_err_from_subroutine_
ch_err='Unknown psb_f_type_'
call psb_errpush(info,name,a_err=ch_err)
goto 9999
end select
if (present(amold)) then
call prec%av(psb_l_pr_)%cscnv(info,mold=amold)
call prec%av(psb_u_pr_)%cscnv(info,mold=amold)
else if (present(afmt)) then
call prec%av(psb_l_pr_)%cscnv(info,type=afmt)
call prec%av(psb_u_pr_)%cscnv(info,type=afmt)
end if
call psb_erractionrestore(err_act)
return
9999 continue
call psb_erractionrestore(err_act)
if (err_act == psb_act_abort_) then
call psb_error()
return
end if
return
end subroutine psb_c_bjac_precbld
subroutine psb_c_bjac_precseti(prec,what,val,info)
use psb_base_mod
use psb_c_bjacprec, psb_protect_name => psb_c_bjac_precseti
Implicit None
class(psb_c_bjac_prec_type),intent(inout) :: prec
integer, intent(in) :: what
integer, intent(in) :: val
integer, intent(out) :: info
Integer :: err_act, nrow
character(len=20) :: name='c_bjac_precset'
call psb_erractionsave(err_act)
info = psb_success_
if (.not.allocated(prec%iprcparm)) then
info = 1124
call psb_errpush(info,name,a_err="preconditioner")
goto 9999
end if
select case(what)
case (psb_f_type_)
if (prec%iprcparm(psb_p_type_) /= psb_bjac_) then
write(psb_err_unit,*) 'WHAT is invalid for current preconditioner ',&
& prec%iprcparm(psb_p_type_),&
& 'ignoring user specification'
return
endif
prec%iprcparm(psb_f_type_) = val
case (psb_ilu_fill_in_)
if ((prec%iprcparm(psb_p_type_) /= psb_bjac_).or.&
& (prec%iprcparm(psb_f_type_) /= psb_f_ilu_n_)) then
write(psb_err_unit,*) 'WHAT is invalid for current preconditioner ',&
& prec%iprcparm(psb_p_type_),&
& 'ignoring user specification'
return
endif
prec%iprcparm(psb_ilu_fill_in_) = val
case default
write(psb_err_unit,*) 'WHAT is invalid, ignoring user specification'
end select
call psb_erractionrestore(err_act)
return
9999 continue
call psb_erractionrestore(err_act)
if (err_act == psb_act_abort_) then
call psb_error()
return
end if
return
end subroutine psb_c_bjac_precseti

@ -0,0 +1,259 @@
subroutine psb_c_diag_apply_vect(alpha,prec,x,beta,y,desc_data,info,trans,work)
use psb_base_mod
use psb_c_diagprec, psb_protect_name => psb_c_diag_apply_vect
implicit none
type(psb_desc_type),intent(in) :: desc_data
class(psb_c_diag_prec_type), intent(inout) :: prec
type(psb_c_vect_type),intent(inout) :: x
complex(psb_spk_),intent(in) :: alpha, beta
type(psb_c_vect_type),intent(inout) :: y
integer, intent(out) :: info
character(len=1), optional :: trans
complex(psb_spk_),intent(inout), optional, target :: work(:)
Integer :: err_act, nrow
character(len=20) :: name='c_diag_prec_apply'
complex(psb_spk_), pointer :: ww(:)
class(psb_c_base_vect_type), allocatable :: dw
call psb_erractionsave(err_act)
!
! This is the base version and we should throw an error.
! Or should it be the DIAG preonditioner???
!
info = psb_success_
nrow = desc_data%get_local_rows()
if (x%get_nrows() < nrow) then
info = 36
call psb_errpush(info,name,i_err=(/2,nrow,0,0,0/))
goto 9999
end if
if (y%get_nrows() < nrow) then
info = 36
call psb_errpush(info,name,i_err=(/3,nrow,0,0,0/))
goto 9999
end if
if (.not.allocated(prec%d)) then
info = 1124
call psb_errpush(info,name,a_err="preconditioner: D")
goto 9999
end if
if (size(prec%d) < nrow) then
info = 1124
call psb_errpush(info,name,a_err="preconditioner: D")
goto 9999
end if
if (size(work) >= x%get_nrows()) then
ww => work
else
allocate(ww(x%get_nrows()),stat=info)
if (info /= psb_success_) then
call psb_errpush(psb_err_alloc_request_,name,&
& i_err=(/x%get_nrows(),0,0,0,0/),a_err='complex(psb_spk_)')
goto 9999
end if
end if
call y%mlt(alpha,prec%dv,x,beta,info,conjgx=trans)
if (size(work) < x%get_nrows()) then
deallocate(ww,stat=info)
if (info /= psb_success_) then
call psb_errpush(psb_err_from_subroutine_,name,a_err='Deallocate')
goto 9999
end if
end if
call psb_erractionrestore(err_act)
return
9999 continue
call psb_erractionrestore(err_act)
if (err_act == psb_act_abort_) then
call psb_error()
return
end if
return
end subroutine psb_c_diag_apply_vect
subroutine psb_c_diag_apply(alpha,prec,x,beta,y,desc_data,info,trans,work)
use psb_base_mod
use psb_c_diagprec, psb_protect_name => psb_c_diag_apply
implicit none
type(psb_desc_type),intent(in) :: desc_data
class(psb_c_diag_prec_type), intent(in) :: prec
complex(psb_spk_),intent(inout) :: x(:)
complex(psb_spk_),intent(in) :: alpha, beta
complex(psb_spk_),intent(inout) :: y(:)
integer, intent(out) :: info
character(len=1), optional :: trans
complex(psb_spk_),intent(inout), optional, target :: work(:)
Integer :: err_act, nrow
character :: trans_
character(len=20) :: name='c_diag_prec_apply'
complex(psb_spk_), pointer :: ww(:)
call psb_erractionsave(err_act)
info = psb_success_
nrow = desc_data%get_local_rows()
if (size(x) < nrow) then
info = 36
call psb_errpush(info,name,i_err=(/2,nrow,0,0,0/))
goto 9999
end if
if (size(y) < nrow) then
info = 36
call psb_errpush(info,name,i_err=(/3,nrow,0,0,0/))
goto 9999
end if
if (.not.allocated(prec%d)) then
info = 1124
call psb_errpush(info,name,a_err="preconditioner: D")
goto 9999
end if
if (size(prec%d) < nrow) then
info = 1124
call psb_errpush(info,name,a_err="preconditioner: D")
goto 9999
end if
if (present(trans)) then
trans_ = psb_toupper(trans)
else
trans_='N'
end if
select case(trans_)
case('N')
case('T','C')
case default
info=psb_err_iarg_invalid_i_
call psb_errpush(info,name,&
& i_err=(/6,0,0,0,0/),a_err=trans_)
goto 9999
end select
if (size(work) >= size(x)) then
ww => work
else
allocate(ww(size(x)),stat=info)
if (info /= psb_success_) then
call psb_errpush(psb_err_alloc_request_,name,&
& i_err=(/size(x),0,0,0,0/),a_err='complex(psb_spk_)')
goto 9999
end if
end if
if (trans_ == 'C') then
ww(1:nrow) = x(1:nrow)*conjg(prec%d(1:nrow))
else
ww(1:nrow) = x(1:nrow)*prec%d(1:nrow)
endif
call psb_geaxpby(alpha,ww,beta,y,desc_data,info)
if (size(work) < size(x)) then
deallocate(ww,stat=info)
if (info /= psb_success_) then
call psb_errpush(psb_err_from_subroutine_,name,a_err='Deallocate')
goto 9999
end if
end if
call psb_erractionrestore(err_act)
return
9999 continue
call psb_erractionrestore(err_act)
if (err_act == psb_act_abort_) then
call psb_error()
return
end if
return
end subroutine psb_c_diag_apply
subroutine psb_c_diag_precbld(a,desc_a,prec,info,upd,amold,afmt,vmold)
use psb_base_mod
use psb_c_diagprec, psb_protect_name => psb_c_diag_precbld
Implicit None
type(psb_cspmat_type), intent(in), target :: a
type(psb_desc_type), intent(in), target :: desc_a
class(psb_c_diag_prec_type),intent(inout) :: prec
integer, intent(out) :: info
character, intent(in), optional :: upd
character(len=*), intent(in), optional :: afmt
class(psb_c_base_sparse_mat), intent(in), optional :: amold
class(psb_c_base_vect_type), intent(in), optional :: vmold
Integer :: err_act, nrow,i
character(len=20) :: name='c_diag_precbld'
call psb_erractionsave(err_act)
info = psb_success_
nrow = desc_a%get_local_cols()
if (allocated(prec%d)) then
if (size(prec%d) < nrow) then
deallocate(prec%d,stat=info)
end if
end if
if ((info == psb_success_).and.(.not.allocated(prec%d))) then
allocate(prec%d(nrow), stat=info)
end if
if (info /= psb_success_) then
info = psb_err_alloc_dealloc_
call psb_errpush(info,name)
goto 9999
end if
call a%get_diag(prec%d,info)
if (info /= psb_success_) then
info = psb_err_from_subroutine_
call psb_errpush(info,name, a_err='get_diag')
goto 9999
end if
do i=1,nrow
if (prec%d(i) == dzero) then
prec%d(i) = done
else
prec%d(i) = done/prec%d(i)
endif
end do
allocate(prec%dv,stat=info)
if (info == 0) then
if (present(vmold)) then
allocate(prec%dv%v,mold=vmold,stat=info)
else
allocate(psb_c_base_vect_type :: prec%dv%v,stat=info)
end if
end if
if (info == 0) then
call prec%dv%bld(prec%d)
else
write(0,*) 'Error on precbld ',info
end if
call psb_erractionrestore(err_act)
return
9999 continue
call psb_erractionrestore(err_act)
if (err_act == psb_act_abort_) then
call psb_error()
return
end if
return
end subroutine psb_c_diag_precbld

@ -0,0 +1,107 @@
subroutine psb_c_null_apply_vect(alpha,prec,x,beta,y,desc_data,info,trans,work)
use psb_base_mod
use psb_c_nullprec, psb_protect_name => psb_c_null_apply_vect
implicit none
type(psb_desc_type),intent(in) :: desc_data
class(psb_c_null_prec_type), intent(inout) :: prec
type(psb_c_vect_type),intent(inout) :: x
complex(psb_spk_),intent(in) :: alpha, beta
type(psb_c_vect_type),intent(inout) :: y
integer, intent(out) :: info
character(len=1), optional :: trans
complex(psb_spk_),intent(inout), optional, target :: work(:)
Integer :: err_act, nrow
character(len=20) :: name='c_null_prec_apply'
call psb_erractionsave(err_act)
!
! This is the base version and we should throw an error.
! Or should it be the NULL preonditioner???
!
info = psb_success_
nrow = desc_data%get_local_rows()
if (x%get_nrows() < nrow) then
info = 36
call psb_errpush(info,name,i_err=(/2,nrow,0,0,0/))
goto 9999
end if
if (y%get_nrows() < nrow) then
info = 36
call psb_errpush(info,name,i_err=(/3,nrow,0,0,0/))
goto 9999
end if
call psb_geaxpby(alpha,x,beta,y,desc_data,info)
if (info /= psb_success_ ) then
info = psb_err_from_subroutine_
call psb_errpush(info,name,a_err="psb_geaxpby")
goto 9999
end if
call psb_erractionrestore(err_act)
return
9999 continue
call psb_erractionrestore(err_act)
if (err_act == psb_act_abort_) then
call psb_error()
return
end if
return
end subroutine psb_c_null_apply_vect
subroutine psb_c_null_apply(alpha,prec,x,beta,y,desc_data,info,trans,work)
use psb_base_mod
use psb_c_nullprec, psb_protect_name => psb_c_null_apply
implicit none
type(psb_desc_type),intent(in) :: desc_data
class(psb_c_null_prec_type), intent(in) :: prec
complex(psb_spk_),intent(inout) :: x(:)
complex(psb_spk_),intent(in) :: alpha, beta
complex(psb_spk_),intent(inout) :: y(:)
integer, intent(out) :: info
character(len=1), optional :: trans
complex(psb_spk_),intent(inout), optional, target :: work(:)
Integer :: err_act, nrow
character(len=20) :: name='c_null_prec_apply'
call psb_erractionsave(err_act)
!
!
info = psb_success_
nrow = desc_data%get_local_rows()
if (size(x) < nrow) then
info = 36
call psb_errpush(info,name,i_err=(/2,nrow,0,0,0/))
goto 9999
end if
if (size(y) < nrow) then
info = 36
call psb_errpush(info,name,i_err=(/3,nrow,0,0,0/))
goto 9999
end if
call psb_geaxpby(alpha,x,beta,y,desc_data,info)
if (info /= psb_success_ ) then
info = psb_err_from_subroutine_
call psb_errpush(info,name,a_err="psb_geaxpby")
goto 9999
end if
call psb_erractionrestore(err_act)
return
9999 continue
call psb_erractionrestore(err_act)
if (err_act == psb_act_abort_) then
call psb_error()
return
end if
return
end subroutine psb_c_null_apply

@ -0,0 +1,605 @@
subroutine psb_d_bjac_dump(prec,info,prefix,head)
use psb_base_mod
use psb_d_bjacprec, psb_protect_name => psb_d_bjac_dump
implicit none
class(psb_d_bjac_prec_type), intent(in) :: prec
integer, intent(out) :: info
character(len=*), intent(in), optional :: prefix,head
integer :: i, j, il1, iln, lname, lev
integer :: ictxt,iam, np
character(len=80) :: prefix_
character(len=120) :: fname ! len should be at least 20 more than
! len of prefix_
info = 0
ictxt = prec%get_ctxt()
call psb_info(ictxt,iam,np)
if (present(prefix)) then
prefix_ = trim(prefix(1:min(len(prefix),len(prefix_))))
else
prefix_ = "dump_fact_d"
end if
lname = len_trim(prefix_)
fname = trim(prefix_)
write(fname(lname+1:lname+5),'(a,i3.3)') '_p',iam
lname = lname + 5
write(fname(lname+1:),'(a)')'_lower.mtx'
if (prec%av(psb_l_pr_)%is_asb()) &
& call prec%av(psb_l_pr_)%print(fname,head=head)
write(fname(lname+1:),'(a,a)')'_diag.mtx'
if (allocated(prec%d)) &
& call psb_geprt(fname,prec%d,head=head)
write(fname(lname+1:),'(a)')'_upper.mtx'
if (prec%av(psb_u_pr_)%is_asb()) &
& call prec%av(psb_u_pr_)%print(fname,head=head)
end subroutine psb_d_bjac_dump
subroutine psb_d_bjac_apply_vect(alpha,prec,x,beta,y,desc_data,info,trans,work)
use psb_base_mod
use psb_d_bjacprec, psb_protect_name => psb_d_bjac_apply_vect
implicit none
type(psb_desc_type),intent(in) :: desc_data
class(psb_d_bjac_prec_type), intent(inout) :: prec
real(psb_dpk_),intent(in) :: alpha,beta
type(psb_d_vect_type),intent(inout) :: x
type(psb_d_vect_type),intent(inout) :: y
integer, intent(out) :: info
character(len=1), optional :: trans
real(psb_dpk_),intent(inout), optional, target :: work(:)
! Local variables
integer :: n_row,n_col
real(psb_dpk_), pointer :: ww(:), aux(:)
type(psb_d_vect_type) :: wv, wv1
integer :: ictxt,np,me, err_act, int_err(5)
integer :: debug_level, debug_unit
character :: trans_
character(len=20) :: name='d_bjac_prec_apply'
character(len=20) :: ch_err
info = psb_success_
call psb_erractionsave(err_act)
debug_unit = psb_get_debug_unit()
debug_level = psb_get_debug_level()
ictxt = desc_data%get_context()
call psb_info(ictxt, me, np)
trans_ = psb_toupper(trans)
select case(trans_)
case('N','T','C')
! Ok
case default
call psb_errpush(psb_err_iarg_invalid_i_,name)
goto 9999
end select
n_row = desc_data%get_local_rows()
n_col = desc_data%get_local_cols()
if (x%get_nrows() < n_row) then
info = 36
call psb_errpush(info,name,i_err=(/2,n_row,0,0,0/))
goto 9999
end if
if (y%get_nrows() < n_row) then
info = 36
call psb_errpush(info,name,i_err=(/3,n_row,0,0,0/))
goto 9999
end if
if (.not.allocated(prec%dv)) then
info = 1124
call psb_errpush(info,name,a_err="preconditioner: D")
goto 9999
end if
if (prec%dv%get_nrows() < n_row) then
info = 1124
call psb_errpush(info,name,a_err="preconditioner: D")
goto 9999
end if
if (n_col <= size(work)) then
ww => work(1:n_col)
if ((4*n_col+n_col) <= size(work)) then
aux => work(n_col+1:)
else
allocate(aux(4*n_col),stat=info)
endif
else
allocate(ww(n_col),aux(4*n_col),stat=info)
endif
if (info == psb_success_) allocate(wv%v,mold=x%v)
if (info /= psb_success_) then
call psb_errpush(psb_err_from_subroutine_,name,a_err='Allocate')
goto 9999
end if
call psb_geasb(wv,desc_data,info,mold=x%v,scratch=.true.)
call psb_geasb(wv1,desc_data,info,mold=x%v,scratch=.true.)
select case(prec%iprcparm(psb_f_type_))
case(psb_f_ilu_n_)
select case(trans_)
case('N')
call psb_spsm(done,prec%av(psb_l_pr_),x,dzero,wv,desc_data,info,&
& trans=trans_,scale='L',diag=prec%dv,choice=psb_none_,work=aux)
if(info == psb_success_) call psb_spsm(alpha,prec%av(psb_u_pr_),wv,&
& beta,y,desc_data,info,&
& trans=trans_,scale='U',choice=psb_none_, work=aux)
case('T')
call psb_spsm(done,prec%av(psb_u_pr_),x,dzero,wv,desc_data,info,&
& trans=trans_,scale='L',diag=prec%dv,choice=psb_none_, work=aux)
if(info == psb_success_) call psb_spsm(alpha,prec%av(psb_l_pr_),wv,&
& beta,y,desc_data,info,&
& trans=trans_,scale='U',choice=psb_none_,work=aux)
case('C')
call psb_spsm(done,prec%av(psb_u_pr_),x,dzero,wv,desc_data,info,&
& trans=trans_,scale='U',choice=psb_none_, work=aux)
call wv1%mlt(done,prec%dv,wv,dzero,info,conjgx=trans_)
if(info == psb_success_) call psb_spsm(alpha,prec%av(psb_l_pr_),wv,&
& beta,y,desc_data,info,&
& trans=trans_,scale='U',choice=psb_none_,work=aux)
end select
if (info /= psb_success_) then
ch_err="psb_spsm"
goto 9999
end if
case default
info = psb_err_internal_error_
call psb_errpush(info,name,a_err='Invalid factorization')
goto 9999
end select
call psb_halo(y,desc_data,info,data=psb_comm_mov_)
call wv%free(info)
call wv1%free(info)
if (n_col <= size(work)) then
if ((4*n_col+n_col) <= size(work)) then
else
deallocate(aux)
endif
else
deallocate(ww,aux)
endif
call psb_erractionrestore(err_act)
return
9999 continue
call psb_errpush(info,name,i_err=int_err,a_err=ch_err)
call psb_erractionrestore(err_act)
if (err_act == psb_act_abort_) then
call psb_error()
return
end if
return
end subroutine psb_d_bjac_apply_vect
subroutine psb_d_bjac_apply(alpha,prec,x,beta,y,desc_data,info,trans,work)
use psb_base_mod
use psb_d_bjacprec, psb_protect_name => psb_d_bjac_apply
implicit none
type(psb_desc_type),intent(in) :: desc_data
class(psb_d_bjac_prec_type), intent(in) :: prec
real(psb_dpk_),intent(in) :: alpha,beta
real(psb_dpk_),intent(inout) :: x(:)
real(psb_dpk_),intent(inout) :: y(:)
integer, intent(out) :: info
character(len=1), optional :: trans
real(psb_dpk_),intent(inout), optional, target :: work(:)
! Local variables
integer :: n_row,n_col
real(psb_dpk_), pointer :: ww(:), aux(:)
integer :: ictxt,np,me, err_act, int_err(5)
integer :: debug_level, debug_unit
character :: trans_
character(len=20) :: name='d_bjac_prec_apply'
character(len=20) :: ch_err
info = psb_success_
call psb_erractionsave(err_act)
debug_unit = psb_get_debug_unit()
debug_level = psb_get_debug_level()
ictxt = desc_data%get_context()
call psb_info(ictxt, me, np)
trans_ = psb_toupper(trans)
select case(trans_)
case('N','T','C')
! Ok
case default
call psb_errpush(psb_err_iarg_invalid_i_,name)
goto 9999
end select
n_row = desc_data%get_local_rows()
n_col = desc_data%get_local_cols()
if (size(x) < n_row) then
info = 36
call psb_errpush(info,name,i_err=(/2,n_row,0,0,0/))
goto 9999
end if
if (size(y) < n_row) then
info = 36
call psb_errpush(info,name,i_err=(/3,n_row,0,0,0/))
goto 9999
end if
if (.not.allocated(prec%dv)) then
info = 1124
call psb_errpush(info,name,a_err="preconditioner: D")
goto 9999
end if
if (prec%dv%get_nrows() < n_row) then
info = 1124
call psb_errpush(info,name,a_err="preconditioner: D")
goto 9999
end if
if (n_col <= size(work)) then
ww => work(1:n_col)
if ((4*n_col+n_col) <= size(work)) then
aux => work(n_col+1:)
else
allocate(aux(4*n_col),stat=info)
if (info /= psb_success_) then
call psb_errpush(psb_err_from_subroutine_,name,a_err='Allocate')
goto 9999
end if
endif
else
allocate(ww(n_col),aux(4*n_col),stat=info)
if (info /= psb_success_) then
call psb_errpush(psb_err_from_subroutine_,name,a_err='Allocate')
goto 9999
end if
endif
select case(prec%iprcparm(psb_f_type_))
case(psb_f_ilu_n_)
select case(trans_)
case('N')
call psb_spsm(done,prec%av(psb_l_pr_),x,dzero,ww,desc_data,info,&
& trans=trans_,scale='L',diag=prec%dv%v%v,choice=psb_none_,work=aux)
if(info == psb_success_) call psb_spsm(alpha,prec%av(psb_u_pr_),ww,&
& beta,y,desc_data,info,&
& trans=trans_,scale='U',choice=psb_none_, work=aux)
case('T')
call psb_spsm(done,prec%av(psb_u_pr_),x,dzero,ww,desc_data,info,&
& trans=trans_,scale='L',diag=prec%dv%v%v,choice=psb_none_, work=aux)
if(info == psb_success_) call psb_spsm(alpha,prec%av(psb_l_pr_),ww,&
& beta,y,desc_data,info,&
& trans=trans_,scale='U',choice=psb_none_,work=aux)
case('C')
call psb_spsm(done,prec%av(psb_u_pr_),x,dzero,ww,desc_data,info,&
& trans=trans_,scale='U',choice=psb_none_, work=aux)
ww(1:n_row) = ww(1:n_row)*(prec%dv%v%v(1:n_row))
if(info == psb_success_) call psb_spsm(alpha,prec%av(psb_l_pr_),ww,&
& beta,y,desc_data,info,&
& trans=trans_,scale='U',choice=psb_none_,work=aux)
end select
if (info /= psb_success_) then
ch_err="psb_spsm"
goto 9999
end if
case default
info = psb_err_internal_error_
call psb_errpush(info,name,a_err='Invalid factorization')
goto 9999
end select
call psb_halo(y,desc_data,info,data=psb_comm_mov_)
if (n_col <= size(work)) then
if ((4*n_col+n_col) <= size(work)) then
else
deallocate(aux)
endif
else
deallocate(ww,aux)
endif
call psb_erractionrestore(err_act)
return
9999 continue
call psb_errpush(info,name,i_err=int_err,a_err=ch_err)
call psb_erractionrestore(err_act)
if (err_act == psb_act_abort_) then
call psb_error()
return
end if
return
end subroutine psb_d_bjac_apply
subroutine psb_d_bjac_precinit(prec,info)
use psb_base_mod
use psb_d_bjacprec, psb_protect_name => psb_d_bjac_precinit
Implicit None
class(psb_d_bjac_prec_type),intent(inout) :: prec
integer, intent(out) :: info
Integer :: err_act, nrow
character(len=20) :: name='d_bjac_precinit'
call psb_erractionsave(err_act)
info = psb_success_
call psb_realloc(psb_ifpsz,prec%iprcparm,info)
if (info /= psb_success_) then
info = psb_err_alloc_dealloc_
call psb_Errpush(info,name)
goto 9999
end if
prec%iprcparm(:) = 0
prec%iprcparm(psb_p_type_) = psb_bjac_
prec%iprcparm(psb_f_type_) = psb_f_ilu_n_
prec%iprcparm(psb_ilu_fill_in_) = 0
call psb_erractionrestore(err_act)
return
9999 continue
call psb_erractionrestore(err_act)
if (err_act == psb_act_abort_) then
call psb_error()
return
end if
return
end subroutine psb_d_bjac_precinit
subroutine psb_d_bjac_precbld(a,desc_a,prec,info,upd,amold,afmt,vmold)
use psb_base_mod
use psb_prec_mod, only : psb_ilu_fct
use psb_d_bjacprec, psb_protect_name => psb_d_bjac_precbld
Implicit None
type(psb_dspmat_type), intent(in), target :: a
type(psb_desc_type), intent(in), target :: desc_a
class(psb_d_bjac_prec_type),intent(inout) :: prec
integer, intent(out) :: info
character, intent(in), optional :: upd
character(len=*), intent(in), optional :: afmt
class(psb_d_base_sparse_mat), intent(in), optional :: amold
class(psb_d_base_vect_type), intent(in), optional :: vmold
! .. Local Scalars ..
integer :: i, m
integer :: int_err(5)
character :: trans, unitd
type(psb_d_csr_sparse_mat), allocatable :: lf, uf
real(psb_dpk_), allocatable :: dd(:)
integer nztota, err_act, n_row, nrow_a,n_col, nhalo
integer :: ictxt,np,me
character(len=20) :: name='d_bjac_precbld'
character(len=20) :: ch_err
if(psb_get_errstatus() /= 0) return
info = psb_success_
call psb_erractionsave(err_act)
ictxt=desc_a%get_context()
call psb_info(ictxt, me, np)
call prec%set_ctxt(ictxt)
m = a%get_nrows()
if (m < 0) then
info = psb_err_iarg_neg_
int_err(1) = 1
int_err(2) = m
call psb_errpush(info,name,i_err=int_err)
goto 9999
endif
trans = 'N'
unitd = 'U'
select case(prec%iprcparm(psb_f_type_))
case(psb_f_ilu_n_)
if (allocated(prec%av)) then
if (size(prec%av) < psb_bp_ilu_avsz) then
do i=1,size(prec%av)
call prec%av(i)%free()
enddo
deallocate(prec%av,stat=info)
endif
end if
if (.not.allocated(prec%av)) then
allocate(prec%av(psb_max_avsz),stat=info)
if (info /= psb_success_) then
call psb_errpush(psb_err_alloc_dealloc_,name)
goto 9999
end if
endif
nrow_a = desc_a%get_local_rows()
nztota = a%get_nzeros()
n_col = desc_a%get_local_cols()
nhalo = n_col-nrow_a
n_row = nrow_a
allocate(lf,uf,stat=info)
if (info == psb_success_) call lf%allocate(n_row,n_row,nztota)
if (info == psb_success_) call uf%allocate(n_row,n_row,nztota)
if(info /= psb_success_) then
info=psb_err_from_subroutine_
ch_err='psb_sp_all'
call psb_errpush(info,name,a_err=ch_err)
goto 9999
end if
allocate(dd(n_row),stat=info)
if (info == psb_success_) then
allocate(prec%dv, stat=info)
if (info == 0) then
if (present(vmold)) then
allocate(prec%dv%v,mold=vmold,stat=info)
else
allocate(psb_d_base_vect_type :: prec%dv%v,stat=info)
end if
end if
end if
if (info /= psb_success_) then
call psb_errpush(psb_err_from_subroutine_,name,a_err='Allocate')
goto 9999
endif
! This is where we have no renumbering, thus no need
call psb_ilu_fct(a,lf,uf,dd,info)
if(info == psb_success_) then
call prec%av(psb_l_pr_)%mv_from(lf)
call prec%av(psb_u_pr_)%mv_from(uf)
call prec%av(psb_l_pr_)%set_asb()
call prec%av(psb_u_pr_)%set_asb()
call prec%av(psb_l_pr_)%trim()
call prec%av(psb_u_pr_)%trim()
call prec%dv%bld(dd)
call move_alloc(dd,prec%d)
else
info=psb_err_from_subroutine_
ch_err='psb_ilu_fct'
call psb_errpush(info,name,a_err=ch_err)
goto 9999
end if
case(psb_f_none_)
info=psb_err_from_subroutine_
ch_err='Inconsistent prec psb_f_none_'
call psb_errpush(info,name,a_err=ch_err)
goto 9999
case default
info=psb_err_from_subroutine_
ch_err='Unknown psb_f_type_'
call psb_errpush(info,name,a_err=ch_err)
goto 9999
end select
if (present(amold)) then
call prec%av(psb_l_pr_)%cscnv(info,mold=amold)
call prec%av(psb_u_pr_)%cscnv(info,mold=amold)
else if (present(afmt)) then
call prec%av(psb_l_pr_)%cscnv(info,type=afmt)
call prec%av(psb_u_pr_)%cscnv(info,type=afmt)
end if
call psb_erractionrestore(err_act)
return
9999 continue
call psb_erractionrestore(err_act)
if (err_act == psb_act_abort_) then
call psb_error()
return
end if
return
end subroutine psb_d_bjac_precbld
subroutine psb_d_bjac_precseti(prec,what,val,info)
use psb_base_mod
use psb_d_bjacprec, psb_protect_name => psb_d_bjac_precseti
Implicit None
class(psb_d_bjac_prec_type),intent(inout) :: prec
integer, intent(in) :: what
integer, intent(in) :: val
integer, intent(out) :: info
Integer :: err_act, nrow
character(len=20) :: name='d_bjac_precset'
call psb_erractionsave(err_act)
info = psb_success_
if (.not.allocated(prec%iprcparm)) then
info = 1124
call psb_errpush(info,name,a_err="preconditioner")
goto 9999
end if
select case(what)
case (psb_f_type_)
if (prec%iprcparm(psb_p_type_) /= psb_bjac_) then
write(psb_err_unit,*) 'WHAT is invalid for current preconditioner ',&
& prec%iprcparm(psb_p_type_),&
& 'ignoring user specification'
return
endif
prec%iprcparm(psb_f_type_) = val
case (psb_ilu_fill_in_)
if ((prec%iprcparm(psb_p_type_) /= psb_bjac_).or.&
& (prec%iprcparm(psb_f_type_) /= psb_f_ilu_n_)) then
write(psb_err_unit,*) 'WHAT is invalid for current preconditioner ',&
& prec%iprcparm(psb_p_type_),&
& 'ignoring user specification'
return
endif
prec%iprcparm(psb_ilu_fill_in_) = val
case default
write(psb_err_unit,*) 'WHAT is invalid, ignoring user specification'
end select
call psb_erractionrestore(err_act)
return
9999 continue
call psb_erractionrestore(err_act)
if (err_act == psb_act_abort_) then
call psb_error()
return
end if
return
end subroutine psb_d_bjac_precseti

@ -0,0 +1,259 @@
subroutine psb_d_diag_apply_vect(alpha,prec,x,beta,y,desc_data,info,trans,work)
use psb_base_mod
use psb_d_diagprec, psb_protect_name => psb_d_diag_apply_vect
implicit none
type(psb_desc_type),intent(in) :: desc_data
class(psb_d_diag_prec_type), intent(inout) :: prec
type(psb_d_vect_type),intent(inout) :: x
real(psb_dpk_),intent(in) :: alpha, beta
type(psb_d_vect_type),intent(inout) :: y
integer, intent(out) :: info
character(len=1), optional :: trans
real(psb_dpk_),intent(inout), optional, target :: work(:)
Integer :: err_act, nrow
character(len=20) :: name='d_diag_prec_apply'
real(psb_dpk_), pointer :: ww(:)
class(psb_d_base_vect_type), allocatable :: dw
call psb_erractionsave(err_act)
!
! This is the base version and we should throw an error.
! Or should it be the DIAG preonditioner???
!
info = psb_success_
nrow = desc_data%get_local_rows()
if (x%get_nrows() < nrow) then
info = 36
call psb_errpush(info,name,i_err=(/2,nrow,0,0,0/))
goto 9999
end if
if (y%get_nrows() < nrow) then
info = 36
call psb_errpush(info,name,i_err=(/3,nrow,0,0,0/))
goto 9999
end if
if (.not.allocated(prec%d)) then
info = 1124
call psb_errpush(info,name,a_err="preconditioner: D")
goto 9999
end if
if (size(prec%d) < nrow) then
info = 1124
call psb_errpush(info,name,a_err="preconditioner: D")
goto 9999
end if
if (size(work) >= x%get_nrows()) then
ww => work
else
allocate(ww(x%get_nrows()),stat=info)
if (info /= psb_success_) then
call psb_errpush(psb_err_alloc_request_,name,&
& i_err=(/x%get_nrows(),0,0,0,0/),a_err='real(psb_dpk_)')
goto 9999
end if
end if
call y%mlt(alpha,prec%dv,x,beta,info,conjgx=trans)
if (size(work) < x%get_nrows()) then
deallocate(ww,stat=info)
if (info /= psb_success_) then
call psb_errpush(psb_err_from_subroutine_,name,a_err='Deallocate')
goto 9999
end if
end if
call psb_erractionrestore(err_act)
return
9999 continue
call psb_erractionrestore(err_act)
if (err_act == psb_act_abort_) then
call psb_error()
return
end if
return
end subroutine psb_d_diag_apply_vect
subroutine psb_d_diag_apply(alpha,prec,x,beta,y,desc_data,info,trans,work)
use psb_base_mod
use psb_d_diagprec, psb_protect_name => psb_d_diag_apply
implicit none
type(psb_desc_type),intent(in) :: desc_data
class(psb_d_diag_prec_type), intent(in) :: prec
real(psb_dpk_),intent(inout) :: x(:)
real(psb_dpk_),intent(in) :: alpha, beta
real(psb_dpk_),intent(inout) :: y(:)
integer, intent(out) :: info
character(len=1), optional :: trans
real(psb_dpk_),intent(inout), optional, target :: work(:)
Integer :: err_act, nrow
character :: trans_
character(len=20) :: name='d_diag_prec_apply'
real(psb_dpk_), pointer :: ww(:)
call psb_erractionsave(err_act)
info = psb_success_
nrow = desc_data%get_local_rows()
if (size(x) < nrow) then
info = 36
call psb_errpush(info,name,i_err=(/2,nrow,0,0,0/))
goto 9999
end if
if (size(y) < nrow) then
info = 36
call psb_errpush(info,name,i_err=(/3,nrow,0,0,0/))
goto 9999
end if
if (.not.allocated(prec%d)) then
info = 1124
call psb_errpush(info,name,a_err="preconditioner: D")
goto 9999
end if
if (size(prec%d) < nrow) then
info = 1124
call psb_errpush(info,name,a_err="preconditioner: D")
goto 9999
end if
if (present(trans)) then
trans_ = psb_toupper(trans)
else
trans_='N'
end if
select case(trans_)
case('N')
case('T','C')
case default
info=psb_err_iarg_invalid_i_
call psb_errpush(info,name,&
& i_err=(/6,0,0,0,0/),a_err=trans_)
goto 9999
end select
if (size(work) >= size(x)) then
ww => work
else
allocate(ww(size(x)),stat=info)
if (info /= psb_success_) then
call psb_errpush(psb_err_alloc_request_,name,&
& i_err=(/size(x),0,0,0,0/),a_err='real(psb_dpk_)')
goto 9999
end if
end if
if (trans_ == 'C') then
ww(1:nrow) = x(1:nrow)*(prec%d(1:nrow))
else
ww(1:nrow) = x(1:nrow)*prec%d(1:nrow)
endif
call psb_geaxpby(alpha,ww,beta,y,desc_data,info)
if (size(work) < size(x)) then
deallocate(ww,stat=info)
if (info /= psb_success_) then
call psb_errpush(psb_err_from_subroutine_,name,a_err='Deallocate')
goto 9999
end if
end if
call psb_erractionrestore(err_act)
return
9999 continue
call psb_erractionrestore(err_act)
if (err_act == psb_act_abort_) then
call psb_error()
return
end if
return
end subroutine psb_d_diag_apply
subroutine psb_d_diag_precbld(a,desc_a,prec,info,upd,amold,afmt,vmold)
use psb_base_mod
use psb_d_diagprec, psb_protect_name => psb_d_diag_precbld
Implicit None
type(psb_dspmat_type), intent(in), target :: a
type(psb_desc_type), intent(in), target :: desc_a
class(psb_d_diag_prec_type),intent(inout) :: prec
integer, intent(out) :: info
character, intent(in), optional :: upd
character(len=*), intent(in), optional :: afmt
class(psb_d_base_sparse_mat), intent(in), optional :: amold
class(psb_d_base_vect_type), intent(in), optional :: vmold
Integer :: err_act, nrow,i
character(len=20) :: name='d_diag_precbld'
call psb_erractionsave(err_act)
info = psb_success_
nrow = desc_a%get_local_cols()
if (allocated(prec%d)) then
if (size(prec%d) < nrow) then
deallocate(prec%d,stat=info)
end if
end if
if ((info == psb_success_).and.(.not.allocated(prec%d))) then
allocate(prec%d(nrow), stat=info)
end if
if (info /= psb_success_) then
info = psb_err_alloc_dealloc_
call psb_errpush(info,name)
goto 9999
end if
call a%get_diag(prec%d,info)
if (info /= psb_success_) then
info = psb_err_from_subroutine_
call psb_errpush(info,name, a_err='get_diag')
goto 9999
end if
do i=1,nrow
if (prec%d(i) == dzero) then
prec%d(i) = done
else
prec%d(i) = done/prec%d(i)
endif
end do
allocate(prec%dv,stat=info)
if (info == 0) then
if (present(vmold)) then
allocate(prec%dv%v,mold=vmold,stat=info)
else
allocate(psb_d_base_vect_type :: prec%dv%v,stat=info)
end if
end if
if (info == 0) then
call prec%dv%bld(prec%d)
else
write(0,*) 'Error on precbld ',info
end if
call psb_erractionrestore(err_act)
return
9999 continue
call psb_erractionrestore(err_act)
if (err_act == psb_act_abort_) then
call psb_error()
return
end if
return
end subroutine psb_d_diag_precbld

@ -0,0 +1,107 @@
subroutine psb_d_null_apply_vect(alpha,prec,x,beta,y,desc_data,info,trans,work)
use psb_base_mod
use psb_d_nullprec, psb_protect_name => psb_d_null_apply_vect
implicit none
type(psb_desc_type),intent(in) :: desc_data
class(psb_d_null_prec_type), intent(inout) :: prec
type(psb_d_vect_type),intent(inout) :: x
real(psb_dpk_),intent(in) :: alpha, beta
type(psb_d_vect_type),intent(inout) :: y
integer, intent(out) :: info
character(len=1), optional :: trans
real(psb_dpk_),intent(inout), optional, target :: work(:)
Integer :: err_act, nrow
character(len=20) :: name='c_null_prec_apply'
call psb_erractionsave(err_act)
!
! This is the base version and we should throw an error.
! Or should it be the NULL preonditioner???
!
info = psb_success_
nrow = desc_data%get_local_rows()
if (x%get_nrows() < nrow) then
info = 36
call psb_errpush(info,name,i_err=(/2,nrow,0,0,0/))
goto 9999
end if
if (y%get_nrows() < nrow) then
info = 36
call psb_errpush(info,name,i_err=(/3,nrow,0,0,0/))
goto 9999
end if
call psb_geaxpby(alpha,x,beta,y,desc_data,info)
if (info /= psb_success_ ) then
info = psb_err_from_subroutine_
call psb_errpush(info,name,a_err="psb_geaxpby")
goto 9999
end if
call psb_erractionrestore(err_act)
return
9999 continue
call psb_erractionrestore(err_act)
if (err_act == psb_act_abort_) then
call psb_error()
return
end if
return
end subroutine psb_d_null_apply_vect
subroutine psb_d_null_apply(alpha,prec,x,beta,y,desc_data,info,trans,work)
use psb_base_mod
use psb_d_nullprec, psb_protect_name => psb_d_null_apply
implicit none
type(psb_desc_type),intent(in) :: desc_data
class(psb_d_null_prec_type), intent(in) :: prec
real(psb_dpk_),intent(inout) :: x(:)
real(psb_dpk_),intent(in) :: alpha, beta
real(psb_dpk_),intent(inout) :: y(:)
integer, intent(out) :: info
character(len=1), optional :: trans
real(psb_dpk_),intent(inout), optional, target :: work(:)
Integer :: err_act, nrow
character(len=20) :: name='c_null_prec_apply'
call psb_erractionsave(err_act)
!
!
info = psb_success_
nrow = desc_data%get_local_rows()
if (size(x) < nrow) then
info = 36
call psb_errpush(info,name,i_err=(/2,nrow,0,0,0/))
goto 9999
end if
if (size(y) < nrow) then
info = 36
call psb_errpush(info,name,i_err=(/3,nrow,0,0,0/))
goto 9999
end if
call psb_geaxpby(alpha,x,beta,y,desc_data,info)
if (info /= psb_success_ ) then
info = psb_err_from_subroutine_
call psb_errpush(info,name,a_err="psb_geaxpby")
goto 9999
end if
call psb_erractionrestore(err_act)
return
9999 continue
call psb_erractionrestore(err_act)
if (err_act == psb_act_abort_) then
call psb_error()
return
end if
return
end subroutine psb_d_null_apply

@ -0,0 +1,605 @@
subroutine psb_s_bjac_dump(prec,info,prefix,head)
use psb_base_mod
use psb_s_bjacprec, psb_protect_name => psb_s_bjac_dump
implicit none
class(psb_s_bjac_prec_type), intent(in) :: prec
integer, intent(out) :: info
character(len=*), intent(in), optional :: prefix,head
integer :: i, j, il1, iln, lname, lev
integer :: ictxt,iam, np
character(len=80) :: prefix_
character(len=120) :: fname ! len should be at least 20 more than
! len of prefix_
info = 0
ictxt = prec%get_ctxt()
call psb_info(ictxt,iam,np)
if (present(prefix)) then
prefix_ = trim(prefix(1:min(len(prefix),len(prefix_))))
else
prefix_ = "dump_fact_s"
end if
lname = len_trim(prefix_)
fname = trim(prefix_)
write(fname(lname+1:lname+5),'(a,i3.3)') '_p',iam
lname = lname + 5
write(fname(lname+1:),'(a)')'_lower.mtx'
if (prec%av(psb_l_pr_)%is_asb()) &
& call prec%av(psb_l_pr_)%print(fname,head=head)
write(fname(lname+1:),'(a,a)')'_diag.mtx'
if (allocated(prec%d)) &
& call psb_geprt(fname,prec%d,head=head)
write(fname(lname+1:),'(a)')'_upper.mtx'
if (prec%av(psb_u_pr_)%is_asb()) &
& call prec%av(psb_u_pr_)%print(fname,head=head)
end subroutine psb_s_bjac_dump
subroutine psb_s_bjac_apply_vect(alpha,prec,x,beta,y,desc_data,info,trans,work)
use psb_base_mod
use psb_s_bjacprec, psb_protect_name => psb_s_bjac_apply_vect
implicit none
type(psb_desc_type),intent(in) :: desc_data
class(psb_s_bjac_prec_type), intent(inout) :: prec
real(psb_spk_),intent(in) :: alpha,beta
type(psb_s_vect_type),intent(inout) :: x
type(psb_s_vect_type),intent(inout) :: y
integer, intent(out) :: info
character(len=1), optional :: trans
real(psb_spk_),intent(inout), optional, target :: work(:)
! Local variables
integer :: n_row,n_col
real(psb_spk_), pointer :: ww(:), aux(:)
type(psb_s_vect_type) :: wv, wv1
integer :: ictxt,np,me, err_act, int_err(5)
integer :: debug_level, debug_unit
character :: trans_
character(len=20) :: name='s_bjac_prec_apply'
character(len=20) :: ch_err
info = psb_success_
call psb_erractionsave(err_act)
debug_unit = psb_get_debug_unit()
debug_level = psb_get_debug_level()
ictxt = desc_data%get_context()
call psb_info(ictxt, me, np)
trans_ = psb_toupper(trans)
select case(trans_)
case('N','T','C')
! Ok
case default
call psb_errpush(psb_err_iarg_invalid_i_,name)
goto 9999
end select
n_row = desc_data%get_local_rows()
n_col = desc_data%get_local_cols()
if (x%get_nrows() < n_row) then
info = 36
call psb_errpush(info,name,i_err=(/2,n_row,0,0,0/))
goto 9999
end if
if (y%get_nrows() < n_row) then
info = 36
call psb_errpush(info,name,i_err=(/3,n_row,0,0,0/))
goto 9999
end if
if (.not.allocated(prec%dv)) then
info = 1124
call psb_errpush(info,name,a_err="preconditioner: D")
goto 9999
end if
if (prec%dv%get_nrows() < n_row) then
info = 1124
call psb_errpush(info,name,a_err="preconditioner: D")
goto 9999
end if
if (n_col <= size(work)) then
ww => work(1:n_col)
if ((4*n_col+n_col) <= size(work)) then
aux => work(n_col+1:)
else
allocate(aux(4*n_col),stat=info)
endif
else
allocate(ww(n_col),aux(4*n_col),stat=info)
endif
if (info == psb_success_) allocate(wv%v,mold=x%v)
if (info /= psb_success_) then
call psb_errpush(psb_err_from_subroutine_,name,a_err='Allocate')
goto 9999
end if
call psb_geasb(wv,desc_data,info,mold=x%v,scratch=.true.)
call psb_geasb(wv1,desc_data,info,mold=x%v,scratch=.true.)
select case(prec%iprcparm(psb_f_type_))
case(psb_f_ilu_n_)
select case(trans_)
case('N')
call psb_spsm(sone,prec%av(psb_l_pr_),x,szero,wv,desc_data,info,&
& trans=trans_,scale='L',diag=prec%dv,choice=psb_none_,work=aux)
if(info == psb_success_) call psb_spsm(alpha,prec%av(psb_u_pr_),wv,&
& beta,y,desc_data,info,&
& trans=trans_,scale='U',choice=psb_none_, work=aux)
case('T')
call psb_spsm(sone,prec%av(psb_u_pr_),x,szero,wv,desc_data,info,&
& trans=trans_,scale='L',diag=prec%dv,choice=psb_none_, work=aux)
if(info == psb_success_) call psb_spsm(alpha,prec%av(psb_l_pr_),wv,&
& beta,y,desc_data,info,&
& trans=trans_,scale='U',choice=psb_none_,work=aux)
case('C')
call psb_spsm(sone,prec%av(psb_u_pr_),x,szero,wv,desc_data,info,&
& trans=trans_,scale='U',choice=psb_none_, work=aux)
call wv1%mlt(sone,prec%dv,wv,szero,info,conjgx=trans_)
if(info == psb_success_) call psb_spsm(alpha,prec%av(psb_l_pr_),wv,&
& beta,y,desc_data,info,&
& trans=trans_,scale='U',choice=psb_none_,work=aux)
end select
if (info /= psb_success_) then
ch_err="psb_spsm"
goto 9999
end if
case default
info = psb_err_internal_error_
call psb_errpush(info,name,a_err='Invalid factorization')
goto 9999
end select
call psb_halo(y,desc_data,info,data=psb_comm_mov_)
call wv%free(info)
call wv1%free(info)
if (n_col <= size(work)) then
if ((4*n_col+n_col) <= size(work)) then
else
deallocate(aux)
endif
else
deallocate(ww,aux)
endif
call psb_erractionrestore(err_act)
return
9999 continue
call psb_errpush(info,name,i_err=int_err,a_err=ch_err)
call psb_erractionrestore(err_act)
if (err_act == psb_act_abort_) then
call psb_error()
return
end if
return
end subroutine psb_s_bjac_apply_vect
subroutine psb_s_bjac_apply(alpha,prec,x,beta,y,desc_data,info,trans,work)
use psb_base_mod
use psb_s_bjacprec, psb_protect_name => psb_s_bjac_apply
implicit none
type(psb_desc_type),intent(in) :: desc_data
class(psb_s_bjac_prec_type), intent(in) :: prec
real(psb_spk_),intent(in) :: alpha,beta
real(psb_spk_),intent(inout) :: x(:)
real(psb_spk_),intent(inout) :: y(:)
integer, intent(out) :: info
character(len=1), optional :: trans
real(psb_spk_),intent(inout), optional, target :: work(:)
! Local variables
integer :: n_row,n_col
real(psb_spk_), pointer :: ww(:), aux(:)
integer :: ictxt,np,me, err_act, int_err(5)
integer :: debug_level, debug_unit
character :: trans_
character(len=20) :: name='s_bjac_prec_apply'
character(len=20) :: ch_err
info = psb_success_
call psb_erractionsave(err_act)
debug_unit = psb_get_debug_unit()
debug_level = psb_get_debug_level()
ictxt = desc_data%get_context()
call psb_info(ictxt, me, np)
trans_ = psb_toupper(trans)
select case(trans_)
case('N','T','C')
! Ok
case default
call psb_errpush(psb_err_iarg_invalid_i_,name)
goto 9999
end select
n_row = desc_data%get_local_rows()
n_col = desc_data%get_local_cols()
if (size(x) < n_row) then
info = 36
call psb_errpush(info,name,i_err=(/2,n_row,0,0,0/))
goto 9999
end if
if (size(y) < n_row) then
info = 36
call psb_errpush(info,name,i_err=(/3,n_row,0,0,0/))
goto 9999
end if
if (.not.allocated(prec%dv)) then
info = 1124
call psb_errpush(info,name,a_err="preconditioner: D")
goto 9999
end if
if (prec%dv%get_nrows() < n_row) then
info = 1124
call psb_errpush(info,name,a_err="preconditioner: D")
goto 9999
end if
if (n_col <= size(work)) then
ww => work(1:n_col)
if ((4*n_col+n_col) <= size(work)) then
aux => work(n_col+1:)
else
allocate(aux(4*n_col),stat=info)
if (info /= psb_success_) then
call psb_errpush(psb_err_from_subroutine_,name,a_err='Allocate')
goto 9999
end if
endif
else
allocate(ww(n_col),aux(4*n_col),stat=info)
if (info /= psb_success_) then
call psb_errpush(psb_err_from_subroutine_,name,a_err='Allocate')
goto 9999
end if
endif
select case(prec%iprcparm(psb_f_type_))
case(psb_f_ilu_n_)
select case(trans_)
case('N')
call psb_spsm(sone,prec%av(psb_l_pr_),x,szero,ww,desc_data,info,&
& trans=trans_,scale='L',diag=prec%dv%v%v,choice=psb_none_,work=aux)
if(info == psb_success_) call psb_spsm(alpha,prec%av(psb_u_pr_),ww,&
& beta,y,desc_data,info,&
& trans=trans_,scale='U',choice=psb_none_, work=aux)
case('T')
call psb_spsm(sone,prec%av(psb_u_pr_),x,szero,ww,desc_data,info,&
& trans=trans_,scale='L',diag=prec%dv%v%v,choice=psb_none_, work=aux)
if(info == psb_success_) call psb_spsm(alpha,prec%av(psb_l_pr_),ww,&
& beta,y,desc_data,info,&
& trans=trans_,scale='U',choice=psb_none_,work=aux)
case('C')
call psb_spsm(sone,prec%av(psb_u_pr_),x,szero,ww,desc_data,info,&
& trans=trans_,scale='U',choice=psb_none_, work=aux)
ww(1:n_row) = ww(1:n_row)*(prec%dv%v%v(1:n_row))
if(info == psb_success_) call psb_spsm(alpha,prec%av(psb_l_pr_),ww,&
& beta,y,desc_data,info,&
& trans=trans_,scale='U',choice=psb_none_,work=aux)
end select
if (info /= psb_success_) then
ch_err="psb_spsm"
goto 9999
end if
case default
info = psb_err_internal_error_
call psb_errpush(info,name,a_err='Invalid factorization')
goto 9999
end select
call psb_halo(y,desc_data,info,data=psb_comm_mov_)
if (n_col <= size(work)) then
if ((4*n_col+n_col) <= size(work)) then
else
deallocate(aux)
endif
else
deallocate(ww,aux)
endif
call psb_erractionrestore(err_act)
return
9999 continue
call psb_errpush(info,name,i_err=int_err,a_err=ch_err)
call psb_erractionrestore(err_act)
if (err_act == psb_act_abort_) then
call psb_error()
return
end if
return
end subroutine psb_s_bjac_apply
subroutine psb_s_bjac_precinit(prec,info)
use psb_base_mod
use psb_s_bjacprec, psb_protect_name => psb_s_bjac_precinit
Implicit None
class(psb_s_bjac_prec_type),intent(inout) :: prec
integer, intent(out) :: info
Integer :: err_act, nrow
character(len=20) :: name='s_bjac_precinit'
call psb_erractionsave(err_act)
info = psb_success_
call psb_realloc(psb_ifpsz,prec%iprcparm,info)
if (info /= psb_success_) then
info = psb_err_alloc_dealloc_
call psb_Errpush(info,name)
goto 9999
end if
prec%iprcparm(:) = 0
prec%iprcparm(psb_p_type_) = psb_bjac_
prec%iprcparm(psb_f_type_) = psb_f_ilu_n_
prec%iprcparm(psb_ilu_fill_in_) = 0
call psb_erractionrestore(err_act)
return
9999 continue
call psb_erractionrestore(err_act)
if (err_act == psb_act_abort_) then
call psb_error()
return
end if
return
end subroutine psb_s_bjac_precinit
subroutine psb_s_bjac_precbld(a,desc_a,prec,info,upd,amold,afmt,vmold)
use psb_base_mod
use psb_prec_mod, only : psb_ilu_fct
use psb_s_bjacprec, psb_protect_name => psb_s_bjac_precbld
Implicit None
type(psb_sspmat_type), intent(in), target :: a
type(psb_desc_type), intent(in), target :: desc_a
class(psb_s_bjac_prec_type),intent(inout) :: prec
integer, intent(out) :: info
character, intent(in), optional :: upd
character(len=*), intent(in), optional :: afmt
class(psb_s_base_sparse_mat), intent(in), optional :: amold
class(psb_s_base_vect_type), intent(in), optional :: vmold
! .. Local Scalars ..
integer :: i, m
integer :: int_err(5)
character :: trans, unitd
type(psb_s_csr_sparse_mat), allocatable :: lf, uf
real(psb_spk_), allocatable :: dd(:)
integer nztota, err_act, n_row, nrow_a,n_col, nhalo
integer :: ictxt,np,me
character(len=20) :: name='s_bjac_precbld'
character(len=20) :: ch_err
if(psb_get_errstatus() /= 0) return
info = psb_success_
call psb_erractionsave(err_act)
ictxt=desc_a%get_context()
call psb_info(ictxt, me, np)
call prec%set_ctxt(ictxt)
m = a%get_nrows()
if (m < 0) then
info = psb_err_iarg_neg_
int_err(1) = 1
int_err(2) = m
call psb_errpush(info,name,i_err=int_err)
goto 9999
endif
trans = 'N'
unitd = 'U'
select case(prec%iprcparm(psb_f_type_))
case(psb_f_ilu_n_)
if (allocated(prec%av)) then
if (size(prec%av) < psb_bp_ilu_avsz) then
do i=1,size(prec%av)
call prec%av(i)%free()
enddo
deallocate(prec%av,stat=info)
endif
end if
if (.not.allocated(prec%av)) then
allocate(prec%av(psb_max_avsz),stat=info)
if (info /= psb_success_) then
call psb_errpush(psb_err_alloc_dealloc_,name)
goto 9999
end if
endif
nrow_a = desc_a%get_local_rows()
nztota = a%get_nzeros()
n_col = desc_a%get_local_cols()
nhalo = n_col-nrow_a
n_row = nrow_a
allocate(lf,uf,stat=info)
if (info == psb_success_) call lf%allocate(n_row,n_row,nztota)
if (info == psb_success_) call uf%allocate(n_row,n_row,nztota)
if(info /= psb_success_) then
info=psb_err_from_subroutine_
ch_err='psb_sp_all'
call psb_errpush(info,name,a_err=ch_err)
goto 9999
end if
allocate(dd(n_row),stat=info)
if (info == psb_success_) then
allocate(prec%dv, stat=info)
if (info == 0) then
if (present(vmold)) then
allocate(prec%dv%v,mold=vmold,stat=info)
else
allocate(psb_s_base_vect_type :: prec%dv%v,stat=info)
end if
end if
end if
if (info /= psb_success_) then
call psb_errpush(psb_err_from_subroutine_,name,a_err='Allocate')
goto 9999
endif
! This is where we have no renumbering, thus no need
call psb_ilu_fct(a,lf,uf,dd,info)
if(info == psb_success_) then
call prec%av(psb_l_pr_)%mv_from(lf)
call prec%av(psb_u_pr_)%mv_from(uf)
call prec%av(psb_l_pr_)%set_asb()
call prec%av(psb_u_pr_)%set_asb()
call prec%av(psb_l_pr_)%trim()
call prec%av(psb_u_pr_)%trim()
call prec%dv%bld(dd)
call move_alloc(dd,prec%d)
else
info=psb_err_from_subroutine_
ch_err='psb_ilu_fct'
call psb_errpush(info,name,a_err=ch_err)
goto 9999
end if
case(psb_f_none_)
info=psb_err_from_subroutine_
ch_err='Inconsistent prec psb_f_none_'
call psb_errpush(info,name,a_err=ch_err)
goto 9999
case default
info=psb_err_from_subroutine_
ch_err='Unknown psb_f_type_'
call psb_errpush(info,name,a_err=ch_err)
goto 9999
end select
if (present(amold)) then
call prec%av(psb_l_pr_)%cscnv(info,mold=amold)
call prec%av(psb_u_pr_)%cscnv(info,mold=amold)
else if (present(afmt)) then
call prec%av(psb_l_pr_)%cscnv(info,type=afmt)
call prec%av(psb_u_pr_)%cscnv(info,type=afmt)
end if
call psb_erractionrestore(err_act)
return
9999 continue
call psb_erractionrestore(err_act)
if (err_act == psb_act_abort_) then
call psb_error()
return
end if
return
end subroutine psb_s_bjac_precbld
subroutine psb_s_bjac_precseti(prec,what,val,info)
use psb_base_mod
use psb_s_bjacprec, psb_protect_name => psb_s_bjac_precseti
Implicit None
class(psb_s_bjac_prec_type),intent(inout) :: prec
integer, intent(in) :: what
integer, intent(in) :: val
integer, intent(out) :: info
Integer :: err_act, nrow
character(len=20) :: name='s_bjac_precset'
call psb_erractionsave(err_act)
info = psb_success_
if (.not.allocated(prec%iprcparm)) then
info = 1124
call psb_errpush(info,name,a_err="preconditioner")
goto 9999
end if
select case(what)
case (psb_f_type_)
if (prec%iprcparm(psb_p_type_) /= psb_bjac_) then
write(psb_err_unit,*) 'WHAT is invalid for current preconditioner ',&
& prec%iprcparm(psb_p_type_),&
& 'ignoring user specification'
return
endif
prec%iprcparm(psb_f_type_) = val
case (psb_ilu_fill_in_)
if ((prec%iprcparm(psb_p_type_) /= psb_bjac_).or.&
& (prec%iprcparm(psb_f_type_) /= psb_f_ilu_n_)) then
write(psb_err_unit,*) 'WHAT is invalid for current preconditioner ',&
& prec%iprcparm(psb_p_type_),&
& 'ignoring user specification'
return
endif
prec%iprcparm(psb_ilu_fill_in_) = val
case default
write(psb_err_unit,*) 'WHAT is invalid, ignoring user specification'
end select
call psb_erractionrestore(err_act)
return
9999 continue
call psb_erractionrestore(err_act)
if (err_act == psb_act_abort_) then
call psb_error()
return
end if
return
end subroutine psb_s_bjac_precseti

@ -0,0 +1,259 @@
subroutine psb_s_diag_apply_vect(alpha,prec,x,beta,y,desc_data,info,trans,work)
use psb_base_mod
use psb_s_diagprec, psb_protect_name => psb_s_diag_apply_vect
implicit none
type(psb_desc_type),intent(in) :: desc_data
class(psb_s_diag_prec_type), intent(inout) :: prec
type(psb_s_vect_type),intent(inout) :: x
real(psb_spk_),intent(in) :: alpha, beta
type(psb_s_vect_type),intent(inout) :: y
integer, intent(out) :: info
character(len=1), optional :: trans
real(psb_spk_),intent(inout), optional, target :: work(:)
Integer :: err_act, nrow
character(len=20) :: name='s_diag_prec_apply'
real(psb_spk_), pointer :: ww(:)
class(psb_s_base_vect_type), allocatable :: dw
call psb_erractionsave(err_act)
!
! This is the base version and we should throw an error.
! Or should it be the DIAG preonditioner???
!
info = psb_success_
nrow = desc_data%get_local_rows()
if (x%get_nrows() < nrow) then
info = 36
call psb_errpush(info,name,i_err=(/2,nrow,0,0,0/))
goto 9999
end if
if (y%get_nrows() < nrow) then
info = 36
call psb_errpush(info,name,i_err=(/3,nrow,0,0,0/))
goto 9999
end if
if (.not.allocated(prec%d)) then
info = 1124
call psb_errpush(info,name,a_err="preconditioner: D")
goto 9999
end if
if (size(prec%d) < nrow) then
info = 1124
call psb_errpush(info,name,a_err="preconditioner: D")
goto 9999
end if
if (size(work) >= x%get_nrows()) then
ww => work
else
allocate(ww(x%get_nrows()),stat=info)
if (info /= psb_success_) then
call psb_errpush(psb_err_alloc_request_,name,&
& i_err=(/x%get_nrows(),0,0,0,0/),a_err='real(psb_spk_)')
goto 9999
end if
end if
call y%mlt(alpha,prec%dv,x,beta,info,conjgx=trans)
if (size(work) < x%get_nrows()) then
deallocate(ww,stat=info)
if (info /= psb_success_) then
call psb_errpush(psb_err_from_subroutine_,name,a_err='Deallocate')
goto 9999
end if
end if
call psb_erractionrestore(err_act)
return
9999 continue
call psb_erractionrestore(err_act)
if (err_act == psb_act_abort_) then
call psb_error()
return
end if
return
end subroutine psb_s_diag_apply_vect
subroutine psb_s_diag_apply(alpha,prec,x,beta,y,desc_data,info,trans,work)
use psb_base_mod
use psb_s_diagprec, psb_protect_name => psb_s_diag_apply
implicit none
type(psb_desc_type),intent(in) :: desc_data
class(psb_s_diag_prec_type), intent(in) :: prec
real(psb_spk_),intent(inout) :: x(:)
real(psb_spk_),intent(in) :: alpha, beta
real(psb_spk_),intent(inout) :: y(:)
integer, intent(out) :: info
character(len=1), optional :: trans
real(psb_spk_),intent(inout), optional, target :: work(:)
Integer :: err_act, nrow
character :: trans_
character(len=20) :: name='s_diag_prec_apply'
real(psb_spk_), pointer :: ww(:)
call psb_erractionsave(err_act)
info = psb_success_
nrow = desc_data%get_local_rows()
if (size(x) < nrow) then
info = 36
call psb_errpush(info,name,i_err=(/2,nrow,0,0,0/))
goto 9999
end if
if (size(y) < nrow) then
info = 36
call psb_errpush(info,name,i_err=(/3,nrow,0,0,0/))
goto 9999
end if
if (.not.allocated(prec%d)) then
info = 1124
call psb_errpush(info,name,a_err="preconditioner: D")
goto 9999
end if
if (size(prec%d) < nrow) then
info = 1124
call psb_errpush(info,name,a_err="preconditioner: D")
goto 9999
end if
if (present(trans)) then
trans_ = psb_toupper(trans)
else
trans_='N'
end if
select case(trans_)
case('N')
case('T','C')
case default
info=psb_err_iarg_invalid_i_
call psb_errpush(info,name,&
& i_err=(/6,0,0,0,0/),a_err=trans_)
goto 9999
end select
if (size(work) >= size(x)) then
ww => work
else
allocate(ww(size(x)),stat=info)
if (info /= psb_success_) then
call psb_errpush(psb_err_alloc_request_,name,&
& i_err=(/size(x),0,0,0,0/),a_err='real(psb_spk_)')
goto 9999
end if
end if
if (trans_ == 'C') then
ww(1:nrow) = x(1:nrow)*(prec%d(1:nrow))
else
ww(1:nrow) = x(1:nrow)*prec%d(1:nrow)
endif
call psb_geaxpby(alpha,ww,beta,y,desc_data,info)
if (size(work) < size(x)) then
deallocate(ww,stat=info)
if (info /= psb_success_) then
call psb_errpush(psb_err_from_subroutine_,name,a_err='Deallocate')
goto 9999
end if
end if
call psb_erractionrestore(err_act)
return
9999 continue
call psb_erractionrestore(err_act)
if (err_act == psb_act_abort_) then
call psb_error()
return
end if
return
end subroutine psb_s_diag_apply
subroutine psb_s_diag_precbld(a,desc_a,prec,info,upd,amold,afmt,vmold)
use psb_base_mod
use psb_s_diagprec, psb_protect_name => psb_s_diag_precbld
Implicit None
type(psb_sspmat_type), intent(in), target :: a
type(psb_desc_type), intent(in), target :: desc_a
class(psb_s_diag_prec_type),intent(inout) :: prec
integer, intent(out) :: info
character, intent(in), optional :: upd
character(len=*), intent(in), optional :: afmt
class(psb_s_base_sparse_mat), intent(in), optional :: amold
class(psb_s_base_vect_type), intent(in), optional :: vmold
Integer :: err_act, nrow,i
character(len=20) :: name='s_diag_precbld'
call psb_erractionsave(err_act)
info = psb_success_
nrow = desc_a%get_local_cols()
if (allocated(prec%d)) then
if (size(prec%d) < nrow) then
deallocate(prec%d,stat=info)
end if
end if
if ((info == psb_success_).and.(.not.allocated(prec%d))) then
allocate(prec%d(nrow), stat=info)
end if
if (info /= psb_success_) then
info = psb_err_alloc_dealloc_
call psb_errpush(info,name)
goto 9999
end if
call a%get_diag(prec%d,info)
if (info /= psb_success_) then
info = psb_err_from_subroutine_
call psb_errpush(info,name, a_err='get_diag')
goto 9999
end if
do i=1,nrow
if (prec%d(i) == dzero) then
prec%d(i) = done
else
prec%d(i) = done/prec%d(i)
endif
end do
allocate(prec%dv,stat=info)
if (info == 0) then
if (present(vmold)) then
allocate(prec%dv%v,mold=vmold,stat=info)
else
allocate(psb_s_base_vect_type :: prec%dv%v,stat=info)
end if
end if
if (info == 0) then
call prec%dv%bld(prec%d)
else
write(0,*) 'Error on precbld ',info
end if
call psb_erractionrestore(err_act)
return
9999 continue
call psb_erractionrestore(err_act)
if (err_act == psb_act_abort_) then
call psb_error()
return
end if
return
end subroutine psb_s_diag_precbld

@ -0,0 +1,107 @@
subroutine psb_s_null_apply_vect(alpha,prec,x,beta,y,desc_data,info,trans,work)
use psb_base_mod
use psb_s_nullprec, psb_protect_name => psb_s_null_apply_vect
implicit none
type(psb_desc_type),intent(in) :: desc_data
class(psb_s_null_prec_type), intent(inout) :: prec
type(psb_s_vect_type),intent(inout) :: x
real(psb_spk_),intent(in) :: alpha, beta
type(psb_s_vect_type),intent(inout) :: y
integer, intent(out) :: info
character(len=1), optional :: trans
real(psb_spk_),intent(inout), optional, target :: work(:)
Integer :: err_act, nrow
character(len=20) :: name='c_null_prec_apply'
call psb_erractionsave(err_act)
!
! This is the base version and we should throw an error.
! Or should it be the NULL preonditioner???
!
info = psb_success_
nrow = desc_data%get_local_rows()
if (x%get_nrows() < nrow) then
info = 36
call psb_errpush(info,name,i_err=(/2,nrow,0,0,0/))
goto 9999
end if
if (y%get_nrows() < nrow) then
info = 36
call psb_errpush(info,name,i_err=(/3,nrow,0,0,0/))
goto 9999
end if
call psb_geaxpby(alpha,x,beta,y,desc_data,info)
if (info /= psb_success_ ) then
info = psb_err_from_subroutine_
call psb_errpush(info,name,a_err="psb_geaxpby")
goto 9999
end if
call psb_erractionrestore(err_act)
return
9999 continue
call psb_erractionrestore(err_act)
if (err_act == psb_act_abort_) then
call psb_error()
return
end if
return
end subroutine psb_s_null_apply_vect
subroutine psb_s_null_apply(alpha,prec,x,beta,y,desc_data,info,trans,work)
use psb_base_mod
use psb_s_nullprec, psb_protect_name => psb_s_null_apply
implicit none
type(psb_desc_type),intent(in) :: desc_data
class(psb_s_null_prec_type), intent(in) :: prec
real(psb_spk_),intent(inout) :: x(:)
real(psb_spk_),intent(in) :: alpha, beta
real(psb_spk_),intent(inout) :: y(:)
integer, intent(out) :: info
character(len=1), optional :: trans
real(psb_spk_),intent(inout), optional, target :: work(:)
Integer :: err_act, nrow
character(len=20) :: name='c_null_prec_apply'
call psb_erractionsave(err_act)
!
!
info = psb_success_
nrow = desc_data%get_local_rows()
if (size(x) < nrow) then
info = 36
call psb_errpush(info,name,i_err=(/2,nrow,0,0,0/))
goto 9999
end if
if (size(y) < nrow) then
info = 36
call psb_errpush(info,name,i_err=(/3,nrow,0,0,0/))
goto 9999
end if
call psb_geaxpby(alpha,x,beta,y,desc_data,info)
if (info /= psb_success_ ) then
info = psb_err_from_subroutine_
call psb_errpush(info,name,a_err="psb_geaxpby")
goto 9999
end if
call psb_erractionrestore(err_act)
return
9999 continue
call psb_erractionrestore(err_act)
if (err_act == psb_act_abort_) then
call psb_error()
return
end if
return
end subroutine psb_s_null_apply

@ -0,0 +1,605 @@
subroutine psb_z_bjac_dump(prec,info,prefix,head)
use psb_base_mod
use psb_z_bjacprec, psb_protect_name => psb_z_bjac_dump
implicit none
class(psb_z_bjac_prec_type), intent(in) :: prec
integer, intent(out) :: info
character(len=*), intent(in), optional :: prefix,head
integer :: i, j, il1, iln, lname, lev
integer :: ictxt,iam, np
character(len=80) :: prefix_
character(len=120) :: fname ! len should be at least 20 more than
! len of prefix_
info = 0
ictxt = prec%get_ctxt()
call psb_info(ictxt,iam,np)
if (present(prefix)) then
prefix_ = trim(prefix(1:min(len(prefix),len(prefix_))))
else
prefix_ = "dump_fact_z"
end if
lname = len_trim(prefix_)
fname = trim(prefix_)
write(fname(lname+1:lname+5),'(a,i3.3)') '_p',iam
lname = lname + 5
write(fname(lname+1:),'(a)')'_lower.mtx'
if (prec%av(psb_l_pr_)%is_asb()) &
& call prec%av(psb_l_pr_)%print(fname,head=head)
write(fname(lname+1:),'(a,a)')'_diag.mtx'
if (allocated(prec%d)) &
& call psb_geprt(fname,prec%d,head=head)
write(fname(lname+1:),'(a)')'_upper.mtx'
if (prec%av(psb_u_pr_)%is_asb()) &
& call prec%av(psb_u_pr_)%print(fname,head=head)
end subroutine psb_z_bjac_dump
subroutine psb_z_bjac_apply_vect(alpha,prec,x,beta,y,desc_data,info,trans,work)
use psb_base_mod
use psb_z_bjacprec, psb_protect_name => psb_z_bjac_apply_vect
implicit none
type(psb_desc_type),intent(in) :: desc_data
class(psb_z_bjac_prec_type), intent(inout) :: prec
complex(psb_dpk_),intent(in) :: alpha,beta
type(psb_z_vect_type),intent(inout) :: x
type(psb_z_vect_type),intent(inout) :: y
integer, intent(out) :: info
character(len=1), optional :: trans
complex(psb_dpk_),intent(inout), optional, target :: work(:)
! Local variables
integer :: n_row,n_col
complex(psb_dpk_), pointer :: ww(:), aux(:)
type(psb_z_vect_type) :: wv, wv1
integer :: ictxt,np,me, err_act, int_err(5)
integer :: debug_level, debug_unit
character :: trans_
character(len=20) :: name='z_bjac_prec_apply'
character(len=20) :: ch_err
info = psb_success_
call psb_erractionsave(err_act)
debug_unit = psb_get_debug_unit()
debug_level = psb_get_debug_level()
ictxt = desc_data%get_context()
call psb_info(ictxt, me, np)
trans_ = psb_toupper(trans)
select case(trans_)
case('N','T','C')
! Ok
case default
call psb_errpush(psb_err_iarg_invalid_i_,name)
goto 9999
end select
n_row = desc_data%get_local_rows()
n_col = desc_data%get_local_cols()
if (x%get_nrows() < n_row) then
info = 36
call psb_errpush(info,name,i_err=(/2,n_row,0,0,0/))
goto 9999
end if
if (y%get_nrows() < n_row) then
info = 36
call psb_errpush(info,name,i_err=(/3,n_row,0,0,0/))
goto 9999
end if
if (.not.allocated(prec%dv)) then
info = 1124
call psb_errpush(info,name,a_err="preconditioner: D")
goto 9999
end if
if (prec%dv%get_nrows() < n_row) then
info = 1124
call psb_errpush(info,name,a_err="preconditioner: D")
goto 9999
end if
if (n_col <= size(work)) then
ww => work(1:n_col)
if ((4*n_col+n_col) <= size(work)) then
aux => work(n_col+1:)
else
allocate(aux(4*n_col),stat=info)
endif
else
allocate(ww(n_col),aux(4*n_col),stat=info)
endif
if (info == psb_success_) allocate(wv%v,mold=x%v)
if (info /= psb_success_) then
call psb_errpush(psb_err_from_subroutine_,name,a_err='Allocate')
goto 9999
end if
call psb_geasb(wv,desc_data,info,mold=x%v,scratch=.true.)
call psb_geasb(wv1,desc_data,info,mold=x%v,scratch=.true.)
select case(prec%iprcparm(psb_f_type_))
case(psb_f_ilu_n_)
select case(trans_)
case('N')
call psb_spsm(zone,prec%av(psb_l_pr_),x,zzero,wv,desc_data,info,&
& trans=trans_,scale='L',diag=prec%dv,choice=psb_none_,work=aux)
if(info == psb_success_) call psb_spsm(alpha,prec%av(psb_u_pr_),wv,&
& beta,y,desc_data,info,&
& trans=trans_,scale='U',choice=psb_none_, work=aux)
case('T')
call psb_spsm(zone,prec%av(psb_u_pr_),x,zzero,wv,desc_data,info,&
& trans=trans_,scale='L',diag=prec%dv,choice=psb_none_, work=aux)
if(info == psb_success_) call psb_spsm(alpha,prec%av(psb_l_pr_),wv,&
& beta,y,desc_data,info,&
& trans=trans_,scale='U',choice=psb_none_,work=aux)
case('C')
call psb_spsm(zone,prec%av(psb_u_pr_),x,zzero,wv,desc_data,info,&
& trans=trans_,scale='U',choice=psb_none_, work=aux)
call wv1%mlt(zone,prec%dv,wv,zzero,info,conjgx=trans_)
if(info == psb_success_) call psb_spsm(alpha,prec%av(psb_l_pr_),wv,&
& beta,y,desc_data,info,&
& trans=trans_,scale='U',choice=psb_none_,work=aux)
end select
if (info /= psb_success_) then
ch_err="psb_spsm"
goto 9999
end if
case default
info = psb_err_internal_error_
call psb_errpush(info,name,a_err='Invalid factorization')
goto 9999
end select
call psb_halo(y,desc_data,info,data=psb_comm_mov_)
call wv%free(info)
call wv1%free(info)
if (n_col <= size(work)) then
if ((4*n_col+n_col) <= size(work)) then
else
deallocate(aux)
endif
else
deallocate(ww,aux)
endif
call psb_erractionrestore(err_act)
return
9999 continue
call psb_errpush(info,name,i_err=int_err,a_err=ch_err)
call psb_erractionrestore(err_act)
if (err_act == psb_act_abort_) then
call psb_error()
return
end if
return
end subroutine psb_z_bjac_apply_vect
subroutine psb_z_bjac_apply(alpha,prec,x,beta,y,desc_data,info,trans,work)
use psb_base_mod
use psb_z_bjacprec, psb_protect_name => psb_z_bjac_apply
implicit none
type(psb_desc_type),intent(in) :: desc_data
class(psb_z_bjac_prec_type), intent(in) :: prec
complex(psb_dpk_),intent(in) :: alpha,beta
complex(psb_dpk_),intent(inout) :: x(:)
complex(psb_dpk_),intent(inout) :: y(:)
integer, intent(out) :: info
character(len=1), optional :: trans
complex(psb_dpk_),intent(inout), optional, target :: work(:)
! Local variables
integer :: n_row,n_col
complex(psb_dpk_), pointer :: ww(:), aux(:)
integer :: ictxt,np,me, err_act, int_err(5)
integer :: debug_level, debug_unit
character :: trans_
character(len=20) :: name='z_bjac_prec_apply'
character(len=20) :: ch_err
info = psb_success_
call psb_erractionsave(err_act)
debug_unit = psb_get_debug_unit()
debug_level = psb_get_debug_level()
ictxt = desc_data%get_context()
call psb_info(ictxt, me, np)
trans_ = psb_toupper(trans)
select case(trans_)
case('N','T','C')
! Ok
case default
call psb_errpush(psb_err_iarg_invalid_i_,name)
goto 9999
end select
n_row = desc_data%get_local_rows()
n_col = desc_data%get_local_cols()
if (size(x) < n_row) then
info = 36
call psb_errpush(info,name,i_err=(/2,n_row,0,0,0/))
goto 9999
end if
if (size(y) < n_row) then
info = 36
call psb_errpush(info,name,i_err=(/3,n_row,0,0,0/))
goto 9999
end if
if (.not.allocated(prec%dv)) then
info = 1124
call psb_errpush(info,name,a_err="preconditioner: D")
goto 9999
end if
if (prec%dv%get_nrows() < n_row) then
info = 1124
call psb_errpush(info,name,a_err="preconditioner: D")
goto 9999
end if
if (n_col <= size(work)) then
ww => work(1:n_col)
if ((4*n_col+n_col) <= size(work)) then
aux => work(n_col+1:)
else
allocate(aux(4*n_col),stat=info)
if (info /= psb_success_) then
call psb_errpush(psb_err_from_subroutine_,name,a_err='Allocate')
goto 9999
end if
endif
else
allocate(ww(n_col),aux(4*n_col),stat=info)
if (info /= psb_success_) then
call psb_errpush(psb_err_from_subroutine_,name,a_err='Allocate')
goto 9999
end if
endif
select case(prec%iprcparm(psb_f_type_))
case(psb_f_ilu_n_)
select case(trans_)
case('N')
call psb_spsm(zone,prec%av(psb_l_pr_),x,zzero,ww,desc_data,info,&
& trans=trans_,scale='L',diag=prec%dv%v%v,choice=psb_none_,work=aux)
if(info == psb_success_) call psb_spsm(alpha,prec%av(psb_u_pr_),ww,&
& beta,y,desc_data,info,&
& trans=trans_,scale='U',choice=psb_none_, work=aux)
case('T')
call psb_spsm(zone,prec%av(psb_u_pr_),x,zzero,ww,desc_data,info,&
& trans=trans_,scale='L',diag=prec%dv%v%v,choice=psb_none_, work=aux)
if(info == psb_success_) call psb_spsm(alpha,prec%av(psb_l_pr_),ww,&
& beta,y,desc_data,info,&
& trans=trans_,scale='U',choice=psb_none_,work=aux)
case('C')
call psb_spsm(zone,prec%av(psb_u_pr_),x,zzero,ww,desc_data,info,&
& trans=trans_,scale='U',choice=psb_none_, work=aux)
ww(1:n_row) = ww(1:n_row)*conjg(prec%dv%v%v(1:n_row))
if(info == psb_success_) call psb_spsm(alpha,prec%av(psb_l_pr_),ww,&
& beta,y,desc_data,info,&
& trans=trans_,scale='U',choice=psb_none_,work=aux)
end select
if (info /= psb_success_) then
ch_err="psb_spsm"
goto 9999
end if
case default
info = psb_err_internal_error_
call psb_errpush(info,name,a_err='Invalid factorization')
goto 9999
end select
call psb_halo(y,desc_data,info,data=psb_comm_mov_)
if (n_col <= size(work)) then
if ((4*n_col+n_col) <= size(work)) then
else
deallocate(aux)
endif
else
deallocate(ww,aux)
endif
call psb_erractionrestore(err_act)
return
9999 continue
call psb_errpush(info,name,i_err=int_err,a_err=ch_err)
call psb_erractionrestore(err_act)
if (err_act == psb_act_abort_) then
call psb_error()
return
end if
return
end subroutine psb_z_bjac_apply
subroutine psb_z_bjac_precinit(prec,info)
use psb_base_mod
use psb_z_bjacprec, psb_protect_name => psb_z_bjac_precinit
Implicit None
class(psb_z_bjac_prec_type),intent(inout) :: prec
integer, intent(out) :: info
Integer :: err_act, nrow
character(len=20) :: name='z_bjac_precinit'
call psb_erractionsave(err_act)
info = psb_success_
call psb_realloc(psb_ifpsz,prec%iprcparm,info)
if (info /= psb_success_) then
info = psb_err_alloc_dealloc_
call psb_Errpush(info,name)
goto 9999
end if
prec%iprcparm(:) = 0
prec%iprcparm(psb_p_type_) = psb_bjac_
prec%iprcparm(psb_f_type_) = psb_f_ilu_n_
prec%iprcparm(psb_ilu_fill_in_) = 0
call psb_erractionrestore(err_act)
return
9999 continue
call psb_erractionrestore(err_act)
if (err_act == psb_act_abort_) then
call psb_error()
return
end if
return
end subroutine psb_z_bjac_precinit
subroutine psb_z_bjac_precbld(a,desc_a,prec,info,upd,amold,afmt,vmold)
use psb_base_mod
use psb_prec_mod, only : psb_ilu_fct
use psb_z_bjacprec, psb_protect_name => psb_z_bjac_precbld
Implicit None
type(psb_zspmat_type), intent(in), target :: a
type(psb_desc_type), intent(in), target :: desc_a
class(psb_z_bjac_prec_type),intent(inout) :: prec
integer, intent(out) :: info
character, intent(in), optional :: upd
character(len=*), intent(in), optional :: afmt
class(psb_z_base_sparse_mat), intent(in), optional :: amold
class(psb_z_base_vect_type), intent(in), optional :: vmold
! .. Local Scalars ..
integer :: i, m
integer :: int_err(5)
character :: trans, unitd
type(psb_z_csr_sparse_mat), allocatable :: lf, uf
complex(psb_dpk_), allocatable :: dd(:)
integer nztota, err_act, n_row, nrow_a,n_col, nhalo
integer :: ictxt,np,me
character(len=20) :: name='z_bjac_precbld'
character(len=20) :: ch_err
if(psb_get_errstatus() /= 0) return
info = psb_success_
call psb_erractionsave(err_act)
ictxt=desc_a%get_context()
call psb_info(ictxt, me, np)
call prec%set_ctxt(ictxt)
m = a%get_nrows()
if (m < 0) then
info = psb_err_iarg_neg_
int_err(1) = 1
int_err(2) = m
call psb_errpush(info,name,i_err=int_err)
goto 9999
endif
trans = 'N'
unitd = 'U'
select case(prec%iprcparm(psb_f_type_))
case(psb_f_ilu_n_)
if (allocated(prec%av)) then
if (size(prec%av) < psb_bp_ilu_avsz) then
do i=1,size(prec%av)
call prec%av(i)%free()
enddo
deallocate(prec%av,stat=info)
endif
end if
if (.not.allocated(prec%av)) then
allocate(prec%av(psb_max_avsz),stat=info)
if (info /= psb_success_) then
call psb_errpush(psb_err_alloc_dealloc_,name)
goto 9999
end if
endif
nrow_a = desc_a%get_local_rows()
nztota = a%get_nzeros()
n_col = desc_a%get_local_cols()
nhalo = n_col-nrow_a
n_row = nrow_a
allocate(lf,uf,stat=info)
if (info == psb_success_) call lf%allocate(n_row,n_row,nztota)
if (info == psb_success_) call uf%allocate(n_row,n_row,nztota)
if(info /= psb_success_) then
info=psb_err_from_subroutine_
ch_err='psb_sp_all'
call psb_errpush(info,name,a_err=ch_err)
goto 9999
end if
allocate(dd(n_row),stat=info)
if (info == psb_success_) then
allocate(prec%dv, stat=info)
if (info == 0) then
if (present(vmold)) then
allocate(prec%dv%v,mold=vmold,stat=info)
else
allocate(psb_z_base_vect_type :: prec%dv%v,stat=info)
end if
end if
end if
if (info /= psb_success_) then
call psb_errpush(psb_err_from_subroutine_,name,a_err='Allocate')
goto 9999
endif
! This is where we have no renumbering, thus no need
call psb_ilu_fct(a,lf,uf,dd,info)
if(info == psb_success_) then
call prec%av(psb_l_pr_)%mv_from(lf)
call prec%av(psb_u_pr_)%mv_from(uf)
call prec%av(psb_l_pr_)%set_asb()
call prec%av(psb_u_pr_)%set_asb()
call prec%av(psb_l_pr_)%trim()
call prec%av(psb_u_pr_)%trim()
call prec%dv%bld(dd)
call move_alloc(dd,prec%d)
else
info=psb_err_from_subroutine_
ch_err='psb_ilu_fct'
call psb_errpush(info,name,a_err=ch_err)
goto 9999
end if
case(psb_f_none_)
info=psb_err_from_subroutine_
ch_err='Inconsistent prec psb_f_none_'
call psb_errpush(info,name,a_err=ch_err)
goto 9999
case default
info=psb_err_from_subroutine_
ch_err='Unknown psb_f_type_'
call psb_errpush(info,name,a_err=ch_err)
goto 9999
end select
if (present(amold)) then
call prec%av(psb_l_pr_)%cscnv(info,mold=amold)
call prec%av(psb_u_pr_)%cscnv(info,mold=amold)
else if (present(afmt)) then
call prec%av(psb_l_pr_)%cscnv(info,type=afmt)
call prec%av(psb_u_pr_)%cscnv(info,type=afmt)
end if
call psb_erractionrestore(err_act)
return
9999 continue
call psb_erractionrestore(err_act)
if (err_act == psb_act_abort_) then
call psb_error()
return
end if
return
end subroutine psb_z_bjac_precbld
subroutine psb_z_bjac_precseti(prec,what,val,info)
use psb_base_mod
use psb_z_bjacprec, psb_protect_name => psb_z_bjac_precseti
Implicit None
class(psb_z_bjac_prec_type),intent(inout) :: prec
integer, intent(in) :: what
integer, intent(in) :: val
integer, intent(out) :: info
Integer :: err_act, nrow
character(len=20) :: name='z_bjac_precset'
call psb_erractionsave(err_act)
info = psb_success_
if (.not.allocated(prec%iprcparm)) then
info = 1124
call psb_errpush(info,name,a_err="preconditioner")
goto 9999
end if
select case(what)
case (psb_f_type_)
if (prec%iprcparm(psb_p_type_) /= psb_bjac_) then
write(psb_err_unit,*) 'WHAT is invalid for current preconditioner ',&
& prec%iprcparm(psb_p_type_),&
& 'ignoring user specification'
return
endif
prec%iprcparm(psb_f_type_) = val
case (psb_ilu_fill_in_)
if ((prec%iprcparm(psb_p_type_) /= psb_bjac_).or.&
& (prec%iprcparm(psb_f_type_) /= psb_f_ilu_n_)) then
write(psb_err_unit,*) 'WHAT is invalid for current preconditioner ',&
& prec%iprcparm(psb_p_type_),&
& 'ignoring user specification'
return
endif
prec%iprcparm(psb_ilu_fill_in_) = val
case default
write(psb_err_unit,*) 'WHAT is invalid, ignoring user specification'
end select
call psb_erractionrestore(err_act)
return
9999 continue
call psb_erractionrestore(err_act)
if (err_act == psb_act_abort_) then
call psb_error()
return
end if
return
end subroutine psb_z_bjac_precseti

@ -0,0 +1,259 @@
subroutine psb_z_diag_apply_vect(alpha,prec,x,beta,y,desc_data,info,trans,work)
use psb_base_mod
use psb_z_diagprec, psb_protect_name => psb_z_diag_apply_vect
implicit none
type(psb_desc_type),intent(in) :: desc_data
class(psb_z_diag_prec_type), intent(inout) :: prec
type(psb_z_vect_type),intent(inout) :: x
complex(psb_dpk_),intent(in) :: alpha, beta
type(psb_z_vect_type),intent(inout) :: y
integer, intent(out) :: info
character(len=1), optional :: trans
complex(psb_dpk_),intent(inout), optional, target :: work(:)
Integer :: err_act, nrow
character(len=20) :: name='z_diag_prec_apply'
complex(psb_dpk_), pointer :: ww(:)
class(psb_z_base_vect_type), allocatable :: dw
call psb_erractionsave(err_act)
!
! This is the base version and we should throw an error.
! Or should it be the DIAG preonditioner???
!
info = psb_success_
nrow = desc_data%get_local_rows()
if (x%get_nrows() < nrow) then
info = 36
call psb_errpush(info,name,i_err=(/2,nrow,0,0,0/))
goto 9999
end if
if (y%get_nrows() < nrow) then
info = 36
call psb_errpush(info,name,i_err=(/3,nrow,0,0,0/))
goto 9999
end if
if (.not.allocated(prec%d)) then
info = 1124
call psb_errpush(info,name,a_err="preconditioner: D")
goto 9999
end if
if (size(prec%d) < nrow) then
info = 1124
call psb_errpush(info,name,a_err="preconditioner: D")
goto 9999
end if
if (size(work) >= x%get_nrows()) then
ww => work
else
allocate(ww(x%get_nrows()),stat=info)
if (info /= psb_success_) then
call psb_errpush(psb_err_alloc_request_,name,&
& i_err=(/x%get_nrows(),0,0,0,0/),a_err='complex(psb_dpk_)')
goto 9999
end if
end if
call y%mlt(alpha,prec%dv,x,beta,info,conjgx=trans)
if (size(work) < x%get_nrows()) then
deallocate(ww,stat=info)
if (info /= psb_success_) then
call psb_errpush(psb_err_from_subroutine_,name,a_err='Deallocate')
goto 9999
end if
end if
call psb_erractionrestore(err_act)
return
9999 continue
call psb_erractionrestore(err_act)
if (err_act == psb_act_abort_) then
call psb_error()
return
end if
return
end subroutine psb_z_diag_apply_vect
subroutine psb_z_diag_apply(alpha,prec,x,beta,y,desc_data,info,trans,work)
use psb_base_mod
use psb_z_diagprec, psb_protect_name => psb_z_diag_apply
implicit none
type(psb_desc_type),intent(in) :: desc_data
class(psb_z_diag_prec_type), intent(in) :: prec
complex(psb_dpk_),intent(inout) :: x(:)
complex(psb_dpk_),intent(in) :: alpha, beta
complex(psb_dpk_),intent(inout) :: y(:)
integer, intent(out) :: info
character(len=1), optional :: trans
complex(psb_dpk_),intent(inout), optional, target :: work(:)
Integer :: err_act, nrow
character :: trans_
character(len=20) :: name='z_diag_prec_apply'
complex(psb_dpk_), pointer :: ww(:)
call psb_erractionsave(err_act)
info = psb_success_
nrow = desc_data%get_local_rows()
if (size(x) < nrow) then
info = 36
call psb_errpush(info,name,i_err=(/2,nrow,0,0,0/))
goto 9999
end if
if (size(y) < nrow) then
info = 36
call psb_errpush(info,name,i_err=(/3,nrow,0,0,0/))
goto 9999
end if
if (.not.allocated(prec%d)) then
info = 1124
call psb_errpush(info,name,a_err="preconditioner: D")
goto 9999
end if
if (size(prec%d) < nrow) then
info = 1124
call psb_errpush(info,name,a_err="preconditioner: D")
goto 9999
end if
if (present(trans)) then
trans_ = psb_toupper(trans)
else
trans_='N'
end if
select case(trans_)
case('N')
case('T','C')
case default
info=psb_err_iarg_invalid_i_
call psb_errpush(info,name,&
& i_err=(/6,0,0,0,0/),a_err=trans_)
goto 9999
end select
if (size(work) >= size(x)) then
ww => work
else
allocate(ww(size(x)),stat=info)
if (info /= psb_success_) then
call psb_errpush(psb_err_alloc_request_,name,&
& i_err=(/size(x),0,0,0,0/),a_err='complex(psb_dpk_)')
goto 9999
end if
end if
if (trans_ == 'C') then
ww(1:nrow) = x(1:nrow)*conjg(prec%d(1:nrow))
else
ww(1:nrow) = x(1:nrow)*prec%d(1:nrow)
endif
call psb_geaxpby(alpha,ww,beta,y,desc_data,info)
if (size(work) < size(x)) then
deallocate(ww,stat=info)
if (info /= psb_success_) then
call psb_errpush(psb_err_from_subroutine_,name,a_err='Deallocate')
goto 9999
end if
end if
call psb_erractionrestore(err_act)
return
9999 continue
call psb_erractionrestore(err_act)
if (err_act == psb_act_abort_) then
call psb_error()
return
end if
return
end subroutine psb_z_diag_apply
subroutine psb_z_diag_precbld(a,desc_a,prec,info,upd,amold,afmt,vmold)
use psb_base_mod
use psb_z_diagprec, psb_protect_name => psb_z_diag_precbld
Implicit None
type(psb_zspmat_type), intent(in), target :: a
type(psb_desc_type), intent(in), target :: desc_a
class(psb_z_diag_prec_type),intent(inout) :: prec
integer, intent(out) :: info
character, intent(in), optional :: upd
character(len=*), intent(in), optional :: afmt
class(psb_z_base_sparse_mat), intent(in), optional :: amold
class(psb_z_base_vect_type), intent(in), optional :: vmold
Integer :: err_act, nrow,i
character(len=20) :: name='z_diag_precbld'
call psb_erractionsave(err_act)
info = psb_success_
nrow = desc_a%get_local_cols()
if (allocated(prec%d)) then
if (size(prec%d) < nrow) then
deallocate(prec%d,stat=info)
end if
end if
if ((info == psb_success_).and.(.not.allocated(prec%d))) then
allocate(prec%d(nrow), stat=info)
end if
if (info /= psb_success_) then
info = psb_err_alloc_dealloc_
call psb_errpush(info,name)
goto 9999
end if
call a%get_diag(prec%d,info)
if (info /= psb_success_) then
info = psb_err_from_subroutine_
call psb_errpush(info,name, a_err='get_diag')
goto 9999
end if
do i=1,nrow
if (prec%d(i) == dzero) then
prec%d(i) = done
else
prec%d(i) = done/prec%d(i)
endif
end do
allocate(prec%dv,stat=info)
if (info == 0) then
if (present(vmold)) then
allocate(prec%dv%v,mold=vmold,stat=info)
else
allocate(psb_z_base_vect_type :: prec%dv%v,stat=info)
end if
end if
if (info == 0) then
call prec%dv%bld(prec%d)
else
write(0,*) 'Error on precbld ',info
end if
call psb_erractionrestore(err_act)
return
9999 continue
call psb_erractionrestore(err_act)
if (err_act == psb_act_abort_) then
call psb_error()
return
end if
return
end subroutine psb_z_diag_precbld

@ -0,0 +1,107 @@
subroutine psb_z_null_apply_vect(alpha,prec,x,beta,y,desc_data,info,trans,work)
use psb_base_mod
use psb_z_nullprec, psb_protect_name => psb_z_null_apply_vect
implicit none
type(psb_desc_type),intent(in) :: desc_data
class(psb_z_null_prec_type), intent(inout) :: prec
type(psb_z_vect_type),intent(inout) :: x
complex(psb_dpk_),intent(in) :: alpha, beta
type(psb_z_vect_type),intent(inout) :: y
integer, intent(out) :: info
character(len=1), optional :: trans
complex(psb_dpk_),intent(inout), optional, target :: work(:)
Integer :: err_act, nrow
character(len=20) :: name='c_null_prec_apply'
call psb_erractionsave(err_act)
!
! This is the base version and we should throw an error.
! Or should it be the NULL preonditioner???
!
info = psb_success_
nrow = desc_data%get_local_rows()
if (x%get_nrows() < nrow) then
info = 36
call psb_errpush(info,name,i_err=(/2,nrow,0,0,0/))
goto 9999
end if
if (y%get_nrows() < nrow) then
info = 36
call psb_errpush(info,name,i_err=(/3,nrow,0,0,0/))
goto 9999
end if
call psb_geaxpby(alpha,x,beta,y,desc_data,info)
if (info /= psb_success_ ) then
info = psb_err_from_subroutine_
call psb_errpush(info,name,a_err="psb_geaxpby")
goto 9999
end if
call psb_erractionrestore(err_act)
return
9999 continue
call psb_erractionrestore(err_act)
if (err_act == psb_act_abort_) then
call psb_error()
return
end if
return
end subroutine psb_z_null_apply_vect
subroutine psb_z_null_apply(alpha,prec,x,beta,y,desc_data,info,trans,work)
use psb_base_mod
use psb_z_nullprec, psb_protect_name => psb_z_null_apply
implicit none
type(psb_desc_type),intent(in) :: desc_data
class(psb_z_null_prec_type), intent(in) :: prec
complex(psb_dpk_),intent(inout) :: x(:)
complex(psb_dpk_),intent(in) :: alpha, beta
complex(psb_dpk_),intent(inout) :: y(:)
integer, intent(out) :: info
character(len=1), optional :: trans
complex(psb_dpk_),intent(inout), optional, target :: work(:)
Integer :: err_act, nrow
character(len=20) :: name='c_null_prec_apply'
call psb_erractionsave(err_act)
!
!
info = psb_success_
nrow = desc_data%get_local_rows()
if (size(x) < nrow) then
info = 36
call psb_errpush(info,name,i_err=(/2,nrow,0,0,0/))
goto 9999
end if
if (size(y) < nrow) then
info = 36
call psb_errpush(info,name,i_err=(/3,nrow,0,0,0/))
goto 9999
end if
call psb_geaxpby(alpha,x,beta,y,desc_data,info)
if (info /= psb_success_ ) then
info = psb_err_from_subroutine_
call psb_errpush(info,name,a_err="psb_geaxpby")
goto 9999
end if
call psb_erractionrestore(err_act)
return
9999 continue
call psb_erractionrestore(err_act)
if (err_act == psb_act_abort_) then
call psb_error()
return
end if
return
end subroutine psb_z_null_apply

@ -38,7 +38,7 @@ module psb_c_base_prec_mod
! Reduces size of .mod file. ! Reduces size of .mod file.
use psb_base_mod, only : psb_spk_, psb_long_int_k_,& use psb_base_mod, only : psb_spk_, psb_long_int_k_,&
& psb_desc_type, psb_sizeof, psb_free, psb_cdfree, psb_errpush, psb_act_abort_,& & psb_desc_type, psb_sizeof, psb_free, psb_cdfree, psb_errpush, psb_act_abort_,&
& psb_erractionsave, psb_erractionrestore, psb_error, psb_get_errstatus,& & psb_erractionsave, psb_erractionrestore, psb_error, psb_get_errstatus, psb_success_,&
& psb_c_base_sparse_mat, psb_cspmat_type, psb_c_csr_sparse_mat,& & psb_c_base_sparse_mat, psb_cspmat_type, psb_c_csr_sparse_mat,&
& psb_c_base_vect_type, psb_c_vect_type & psb_c_base_vect_type, psb_c_vect_type

@ -22,20 +22,26 @@ module psb_c_bjacprec
procedure, pass(prec) :: get_nzeros => psb_c_bjac_get_nzeros procedure, pass(prec) :: get_nzeros => psb_c_bjac_get_nzeros
end type psb_c_bjac_prec_type end type psb_c_bjac_prec_type
private :: psb_c_bjac_apply, psb_c_bjac_precbld, psb_c_bjac_precseti,& private :: psb_c_bjac_sizeof, psb_c_bjac_precdescr, psb_c_bjac_get_nzeros
& psb_c_bjac_precsetr, psb_c_bjac_precsetc, psb_c_bjac_sizeof,&
& psb_c_bjac_precinit, psb_c_bjac_precfree, psb_c_bjac_precdescr,&
& psb_c_bjac_dump, psb_c_bjac_apply_vect, psb_c_bjac_get_nzeros
character(len=15), parameter, private :: & character(len=15), parameter, private :: &
& fact_names(0:2)=(/'None ','ILU(n) ',& & fact_names(0:2)=(/'None ','ILU(n) ',&
& 'ILU(eps) '/) & 'ILU(eps) '/)
contains
interface psb_c_bjac_dump
subroutine psb_c_bjac_dump(prec,info,prefix,head)
import :: psb_desc_type, psb_c_bjac_prec_type, psb_c_vect_type, psb_spk_
class(psb_c_bjac_prec_type), intent(in) :: prec
integer, intent(out) :: info
character(len=*), intent(in), optional :: prefix,head
end subroutine psb_c_bjac_dump
end interface psb_c_bjac_dump
interface psb_c_bjac_apply_vect
subroutine psb_c_bjac_apply_vect(alpha,prec,x,beta,y,desc_data,info,trans,work) subroutine psb_c_bjac_apply_vect(alpha,prec,x,beta,y,desc_data,info,trans,work)
use psb_base_mod import :: psb_desc_type, psb_c_bjac_prec_type, psb_c_vect_type, psb_spk_
type(psb_desc_type),intent(in) :: desc_data type(psb_desc_type),intent(in) :: desc_data
class(psb_c_bjac_prec_type), intent(inout) :: prec class(psb_c_bjac_prec_type), intent(inout) :: prec
complex(psb_spk_),intent(in) :: alpha,beta complex(psb_spk_),intent(in) :: alpha,beta
@ -44,148 +50,13 @@ contains
integer, intent(out) :: info integer, intent(out) :: info
character(len=1), optional :: trans character(len=1), optional :: trans
complex(psb_spk_),intent(inout), optional, target :: work(:) complex(psb_spk_),intent(inout), optional, target :: work(:)
! Local variables
integer :: n_row,n_col
complex(psb_spk_), pointer :: ww(:), aux(:)
type(psb_c_vect_type) :: wv
integer :: ictxt,np,me, err_act, int_err(5)
integer :: debug_level, debug_unit
character :: trans_
character(len=20) :: name='d_bjac_prec_apply'
character(len=20) :: ch_err
info = psb_success_
call psb_erractionsave(err_act)
debug_unit = psb_get_debug_unit()
debug_level = psb_get_debug_level()
ictxt = desc_data%get_context()
call psb_info(ictxt, me, np)
trans_ = psb_toupper(trans)
select case(trans_)
case('N','T','C')
! Ok
case default
call psb_errpush(psb_err_iarg_invalid_i_,name)
goto 9999
end select
n_row = desc_data%get_local_rows()
n_col = desc_data%get_local_cols()
if (x%get_nrows() < n_row) then
info = 36
call psb_errpush(info,name,i_err=(/2,n_row,0,0,0/))
goto 9999
end if
if (y%get_nrows() < n_row) then
info = 36
call psb_errpush(info,name,i_err=(/3,n_row,0,0,0/))
goto 9999
end if
if (.not.allocated(prec%d)) then
info = 1124
call psb_errpush(info,name,a_err="preconditioner: D")
goto 9999
end if
if (size(prec%d) < n_row) then
info = 1124
call psb_errpush(info,name,a_err="preconditioner: D")
goto 9999
end if
if (n_col <= size(work)) then
ww => work(1:n_col)
if ((4*n_col+n_col) <= size(work)) then
aux => work(n_col+1:)
else
allocate(aux(4*n_col),stat=info)
endif
else
allocate(ww(n_col),aux(4*n_col),stat=info)
endif
if (info == psb_success_) allocate(wv%v,mold=x%v)
if (info /= psb_success_) then
call psb_errpush(psb_err_from_subroutine_,name,a_err='Allocate')
goto 9999
end if
call wv%bld(n_col,mold=x%v)
select case(prec%iprcparm(psb_f_type_))
case(psb_f_ilu_n_)
select case(trans_)
case('N')
call psb_spsm(cone,prec%av(psb_l_pr_),x,czero,wv,desc_data,info,&
& trans=trans_,scale='L',diag=prec%dv,choice=psb_none_,work=aux)
if(info == psb_success_) call psb_spsm(alpha,prec%av(psb_u_pr_),wv,&
& beta,y,desc_data,info,&
& trans=trans_,scale='U',choice=psb_none_, work=aux)
case('T')
call psb_spsm(cone,prec%av(psb_u_pr_),x,czero,wv,desc_data,info,&
& trans=trans_,scale='L',diag=prec%dv,choice=psb_none_, work=aux)
if(info == psb_success_) call psb_spsm(alpha,prec%av(psb_l_pr_),wv,&
& beta,y,desc_data,info,&
& trans=trans_,scale='U',choice=psb_none_,work=aux)
case('C')
write(0,*) 'WARNING: Conjguate case not fixed yet'
call psb_spsm(cone,prec%av(psb_u_pr_),x,czero,wv,desc_data,info,&
& trans=trans_,scale='L',diag=prec%dv,choice=psb_none_, work=aux)
if(info == psb_success_) call psb_spsm(alpha,prec%av(psb_l_pr_),wv,&
& beta,y,desc_data,info,&
& trans=trans_,scale='U',choice=psb_none_,work=aux)
end select
if (info /= psb_success_) then
ch_err="psb_spsm"
goto 9999
end if
case default
info = psb_err_internal_error_
call psb_errpush(info,name,a_err='Invalid factorization')
goto 9999
end select
call psb_halo(y,desc_data,info,data=psb_comm_mov_)
call wv%free(info)
if (n_col <= size(work)) then
if ((4*n_col+n_col) <= size(work)) then
else
deallocate(aux)
endif
else
deallocate(ww,aux)
endif
call psb_erractionrestore(err_act)
return
9999 continue
call psb_errpush(info,name,i_err=int_err,a_err=ch_err)
call psb_erractionrestore(err_act)
if (err_act == psb_act_abort_) then
call psb_error()
return
end if
return
end subroutine psb_c_bjac_apply_vect end subroutine psb_c_bjac_apply_vect
end interface psb_c_bjac_apply_vect
interface psb_c_bjac_apply
subroutine psb_c_bjac_apply(alpha,prec,x,beta,y,desc_data,info,trans,work) subroutine psb_c_bjac_apply(alpha,prec,x,beta,y,desc_data,info,trans,work)
use psb_base_mod import :: psb_desc_type, psb_c_bjac_prec_type, psb_c_vect_type, psb_spk_
type(psb_desc_type),intent(in) :: desc_data type(psb_desc_type),intent(in) :: desc_data
class(psb_c_bjac_prec_type), intent(in) :: prec class(psb_c_bjac_prec_type), intent(in) :: prec
complex(psb_spk_),intent(in) :: alpha,beta complex(psb_spk_),intent(in) :: alpha,beta
@ -194,193 +65,21 @@ contains
integer, intent(out) :: info integer, intent(out) :: info
character(len=1), optional :: trans character(len=1), optional :: trans
complex(psb_spk_),intent(inout), optional, target :: work(:) complex(psb_spk_),intent(inout), optional, target :: work(:)
! Local variables
integer :: n_row,n_col
complex(psb_spk_), pointer :: ww(:), aux(:)
integer :: ictxt,np,me, err_act, int_err(5)
integer :: debug_level, debug_unit
character :: trans_
character(len=20) :: name='c_bjac_prec_apply'
character(len=20) :: ch_err
info = psb_success_
call psb_erractionsave(err_act)
debug_unit = psb_get_debug_unit()
debug_level = psb_get_debug_level()
ictxt = desc_data%get_context()
call psb_info(ictxt, me, np)
trans_ = psb_toupper(trans)
select case(trans_)
case('N','T','C')
! Ok
case default
call psb_errpush(psb_err_iarg_invalid_i_,name)
goto 9999
end select
n_row = desc_data%get_local_rows()
n_col = desc_data%get_local_cols()
if (size(x) < n_row) then
info = 36
call psb_errpush(info,name,i_err=(/2,n_row,0,0,0/))
goto 9999
end if
if (size(y) < n_row) then
info = 36
call psb_errpush(info,name,i_err=(/3,n_row,0,0,0/))
goto 9999
end if
!!$ if (.not.allocated(prec%d)) then
!!$ info = 1124
!!$ call psb_errpush(info,name,a_err="preconditioner: D")
!!$ goto 9999
!!$ end if
!!$ if (size(prec%d) < n_row) then
!!$ info = 1124
!!$ call psb_errpush(info,name,a_err="preconditioner: D")
!!$ goto 9999
!!$ end if
if (n_col <= size(work)) then
ww => work(1:n_col)
if ((4*n_col+n_col) <= size(work)) then
aux => work(n_col+1:)
else
allocate(aux(4*n_col),stat=info)
if (info /= psb_success_) then
call psb_errpush(psb_err_from_subroutine_,name,a_err='Allocate')
goto 9999
end if
endif
else
allocate(ww(n_col),aux(4*n_col),stat=info)
if (info /= psb_success_) then
call psb_errpush(psb_err_from_subroutine_,name,a_err='Allocate')
goto 9999
end if
endif
select case(prec%iprcparm(psb_f_type_))
case(psb_f_ilu_n_)
select case(trans_)
case('N')
call psb_spsm(cone,prec%av(psb_l_pr_),x,czero,ww,desc_data,info,&
& trans=trans_,scale='L',diag=prec%dv%v%v,choice=psb_none_,work=aux)
if(info == psb_success_) call psb_spsm(alpha,prec%av(psb_u_pr_),ww,&
& beta,y,desc_data,info,&
& trans=trans_,scale='U',choice=psb_none_, work=aux)
case('T')
call psb_spsm(cone,prec%av(psb_u_pr_),x,czero,ww,desc_data,info,&
& trans=trans_,scale='L',diag=prec%dv%v%v,choice=psb_none_, work=aux)
if(info == psb_success_) call psb_spsm(alpha,prec%av(psb_l_pr_),ww,&
& beta,y,desc_data,info,&
& trans=trans_,scale='U',choice=psb_none_,work=aux)
case('C')
!!$ call psb_spsm(cone,prec%av(psb_u_pr_),x,czero,ww,desc_data,info,&
!!$ & trans=trans_,scale='L',diag=conjg(prec%dv%v%v),choice=psb_none_, work=aux)
call psb_spsm(cone,prec%av(psb_u_pr_),x,czero,ww,desc_data,info,&
& trans=trans_,scale='L',choice=psb_none_, work=aux)
ww(1:n_row) = ww(1:n_row)*conjg(prec%dv%v%v(1:n_row))
if(info == psb_success_) call psb_spsm(alpha,prec%av(psb_l_pr_),ww,&
& beta,y,desc_data,info,&
& trans=trans_,scale='U',choice=psb_none_,work=aux)
end select
if (info /= psb_success_) then
ch_err="psb_spsm"
goto 9999
end if
case default
info = psb_err_internal_error_
call psb_errpush(info,name,a_err='Invalid factorization')
goto 9999
end select
call psb_halo(y,desc_data,info,data=psb_comm_mov_)
if (n_col <= size(work)) then
if ((4*n_col+n_col) <= size(work)) then
else
deallocate(aux)
endif
else
deallocate(ww,aux)
endif
call psb_erractionrestore(err_act)
return
9999 continue
call psb_errpush(info,name,i_err=int_err,a_err=ch_err)
call psb_erractionrestore(err_act)
if (err_act == psb_act_abort_) then
call psb_error()
return
end if
return
end subroutine psb_c_bjac_apply end subroutine psb_c_bjac_apply
end interface psb_c_bjac_apply
interface psb_c_bjac_precinit
subroutine psb_c_bjac_precinit(prec,info) subroutine psb_c_bjac_precinit(prec,info)
import :: psb_desc_type, psb_c_bjac_prec_type, psb_c_vect_type, psb_spk_
use psb_base_mod
Implicit None
class(psb_c_bjac_prec_type),intent(inout) :: prec class(psb_c_bjac_prec_type),intent(inout) :: prec
integer, intent(out) :: info integer, intent(out) :: info
Integer :: err_act, nrow
character(len=20) :: name='c_bjac_precinit'
call psb_erractionsave(err_act)
info = psb_success_
call psb_realloc(psb_ifpsz,prec%iprcparm,info)
if (info /= psb_success_) then
info = psb_err_alloc_dealloc_
call psb_Errpush(info,name)
goto 9999
end if
prec%iprcparm(:) = 0
prec%iprcparm(psb_p_type_) = psb_bjac_
prec%iprcparm(psb_f_type_) = psb_f_ilu_n_
prec%iprcparm(psb_ilu_fill_in_) = 0
call psb_erractionrestore(err_act)
return
9999 continue
call psb_erractionrestore(err_act)
if (err_act == psb_act_abort_) then
call psb_error()
return
end if
return
end subroutine psb_c_bjac_precinit end subroutine psb_c_bjac_precinit
end interface psb_c_bjac_precinit
interface psb_c_bjac_precbld
subroutine psb_c_bjac_precbld(a,desc_a,prec,info,upd,amold,afmt,vmold) subroutine psb_c_bjac_precbld(a,desc_a,prec,info,upd,amold,afmt,vmold)
import :: psb_desc_type, psb_c_bjac_prec_type, psb_c_vect_type, psb_spk_, &
use psb_base_mod & psb_cspmat_type, psb_c_base_sparse_mat, psb_c_base_vect_type
use psb_prec_mod, only : psb_ilu_fct
Implicit None
type(psb_cspmat_type), intent(in), target :: a type(psb_cspmat_type), intent(in), target :: a
type(psb_desc_type), intent(in), target :: desc_a type(psb_desc_type), intent(in), target :: desc_a
class(psb_c_bjac_prec_type),intent(inout) :: prec class(psb_c_bjac_prec_type),intent(inout) :: prec
@ -389,133 +88,78 @@ contains
character(len=*), intent(in), optional :: afmt character(len=*), intent(in), optional :: afmt
class(psb_c_base_sparse_mat), intent(in), optional :: amold class(psb_c_base_sparse_mat), intent(in), optional :: amold
class(psb_c_base_vect_type), intent(in), optional :: vmold class(psb_c_base_vect_type), intent(in), optional :: vmold
end subroutine psb_c_bjac_precbld
end interface psb_c_bjac_precbld
! .. Local Scalars .. interface psb_c_bjac_precseti
integer :: i, m subroutine psb_c_bjac_precseti(prec,what,val,info)
integer :: int_err(5) import :: psb_desc_type, psb_c_bjac_prec_type, psb_c_vect_type, psb_spk_
character :: trans, unitd class(psb_c_bjac_prec_type),intent(inout) :: prec
type(psb_c_csr_sparse_mat), allocatable :: lf, uf integer, intent(in) :: what
complex(psb_spk_), allocatable :: dd(:) integer, intent(in) :: val
integer nztota, err_act, n_row, nrow_a,n_col, nhalo integer, intent(out) :: info
integer :: ictxt,np,me end subroutine psb_c_bjac_precseti
character(len=20) :: name='c_bjac_precbld' end interface psb_c_bjac_precseti
character(len=20) :: ch_err
!!$ interface psb_c_bjac_precsetr
!!$ subroutine psb_c_bjac_precsetr(prec,what,val,info)
if(psb_get_errstatus() /= 0) return !!$ import :: psb_desc_type, psb_c_bjac_prec_type, psb_c_vect_type, psb_spk_
info = psb_success_ !!$ class(psb_c_bjac_prec_type),intent(inout) :: prec
!!$ integer, intent(in) :: what
call psb_erractionsave(err_act) !!$ real(psb_spk_), intent(in) :: val
!!$ integer, intent(out) :: info
ictxt=desc_a%get_context() !!$ end subroutine psb_c_bjac_precsetr
call psb_info(ictxt, me, np) !!$ end interface psb_c_bjac_precsetr
!!$
call prec%set_ctxt(ictxt) !!$ interface psb_c_bjac_precsetc
!!$ subroutine psb_c_bjac_precsetc(prec,what,val,info)
m = a%get_nrows() !!$ import :: psb_desc_type, psb_c_bjac_prec_type, psb_c_vect_type, psb_spk_
if (m < 0) then !!$ class(psb_c_bjac_prec_type),intent(inout) :: prec
info = psb_err_iarg_neg_ !!$ integer, intent(in) :: what
int_err(1) = 1 !!$ character(len=*), intent(in) :: val
int_err(2) = m !!$ integer, intent(out) :: info
call psb_errpush(info,name,i_err=int_err) !!$ end subroutine psb_c_bjac_precsetc
goto 9999 !!$ end interface psb_c_bjac_precsetc
endif !!$
trans = 'N' !!$ interface psb_c_bjac_precfree
unitd = 'U' !!$ subroutine psb_c_bjac_precfree(prec,info)
!!$ import :: psb_desc_type, psb_c_bjac_prec_type, psb_c_vect_type, psb_spk_
!!$ class(psb_c_bjac_prec_type), intent(inout) :: prec
!!$ integer, intent(out) :: info
!!$ end subroutine psb_c_bjac_precfree
!!$ end interface psb_c_bjac_precfree
select case(prec%iprcparm(psb_f_type_)) contains
case(psb_f_ilu_n_) subroutine psb_c_bjac_precdescr(prec,iout)
if (allocated(prec%av)) then Implicit None
if (size(prec%av) < psb_bp_ilu_avsz) then
do i=1,size(prec%av)
call prec%av(i)%free()
enddo
deallocate(prec%av,stat=info)
endif
end if
if (.not.allocated(prec%av)) then
allocate(prec%av(psb_max_avsz),stat=info)
if (info /= psb_success_) then
call psb_errpush(psb_err_alloc_dealloc_,name)
goto 9999
end if
endif
nrow_a = desc_a%get_local_rows() class(psb_c_bjac_prec_type), intent(in) :: prec
nztota = a%get_nzeros() integer, intent(in), optional :: iout
n_col = desc_a%get_local_cols() Integer :: err_act, nrow, info
nhalo = n_col-nrow_a character(len=20) :: name='c_bjac_precdescr'
n_row = nrow_a integer :: iout_
allocate(lf,uf,stat=info) call psb_erractionsave(err_act)
if (info == psb_success_) call lf%allocate(n_row,n_row,nztota)
if (info == psb_success_) call uf%allocate(n_row,n_row,nztota)
if(info /= psb_success_) then info = psb_success_
info=psb_err_from_subroutine_
ch_err='psb_sp_all'
call psb_errpush(info,name,a_err=ch_err)
goto 9999
end if
allocate(dd(n_row),stat=info) if (present(iout)) then
if (info == psb_success_) then iout_ = iout
allocate(prec%dv, stat=info)
if (info == 0) then
if (present(vmold)) then
allocate(prec%dv%v,mold=vmold,stat=info)
else else
allocate(psb_c_base_vect_type :: prec%dv%v,stat=info) iout_ = 6
end if
end if
end if end if
if (info /= psb_success_) then if (.not.allocated(prec%iprcparm)) then
call psb_errpush(psb_err_from_subroutine_,name,a_err='Allocate') info = 1124
goto 9999 call psb_errpush(info,name,a_err="preconditioner")
endif
! This is where we have no renumbering, thus no need
call psb_ilu_fct(a,lf,uf,dd,info)
if(info == psb_success_) then
call prec%av(psb_l_pr_)%mv_from(lf)
call prec%av(psb_u_pr_)%mv_from(uf)
call prec%av(psb_l_pr_)%set_asb()
call prec%av(psb_u_pr_)%set_asb()
call prec%av(psb_l_pr_)%trim()
call prec%av(psb_u_pr_)%trim()
call prec%dv%bld(dd)
call move_alloc(dd,prec%d)
else
info=psb_err_from_subroutine_
ch_err='psb_ilu_fct'
call psb_errpush(info,name,a_err=ch_err)
goto 9999 goto 9999
end if end if
case(psb_f_none_) write(iout_,*) 'Block Jacobi with: ',&
info=psb_err_from_subroutine_ & fact_names(prec%iprcparm(psb_f_type_))
ch_err='Inconsistent prec psb_f_none_'
call psb_errpush(info,name,a_err=ch_err)
goto 9999
case default
info=psb_err_from_subroutine_
ch_err='Unknown psb_f_type_'
call psb_errpush(info,name,a_err=ch_err)
goto 9999
end select
if (present(amold)) then
call prec%av(psb_l_pr_)%cscnv(info,mold=amold)
call prec%av(psb_u_pr_)%cscnv(info,mold=amold)
else if (present(afmt)) then
call prec%av(psb_l_pr_)%cscnv(info,type=afmt)
call prec%av(psb_u_pr_)%cscnv(info,type=afmt)
end if
call psb_erractionrestore(err_act) call psb_erractionrestore(err_act)
return return
@ -528,69 +172,43 @@ contains
end if end if
return return
end subroutine psb_c_bjac_precbld end subroutine psb_c_bjac_precdescr
subroutine psb_c_bjac_precseti(prec,what,val,info)
use psb_base_mod
Implicit None
class(psb_c_bjac_prec_type),intent(inout) :: prec
integer, intent(in) :: what
integer, intent(in) :: val
integer, intent(out) :: info
Integer :: err_act, nrow
character(len=20) :: name='c_bjac_precset'
call psb_erractionsave(err_act) function psb_c_bjac_sizeof(prec) result(val)
class(psb_c_bjac_prec_type), intent(in) :: prec
integer(psb_long_int_k_) :: val
info = psb_success_ val = 0
if (.not.allocated(prec%iprcparm)) then if (allocated(prec%dv)) then
info = 1124 val = val + (2*psb_sizeof_sp) * prec%dv%get_nrows()
call psb_errpush(info,name,a_err="preconditioner")
goto 9999
endif endif
if (allocated(prec%av)) then
select case(what) val = val + prec%av(psb_l_pr_)%sizeof()
case (psb_f_type_) val = val + prec%av(psb_u_pr_)%sizeof()
if (prec%iprcparm(psb_p_type_) /= psb_bjac_) then
write(psb_err_unit,*) 'WHAT is invalid for current preconditioner ',&
& prec%iprcparm(psb_p_type_),&
& 'ignoring user specification'
return
endif endif
prec%iprcparm(psb_f_type_) = val
case (psb_ilu_fill_in_)
if ((prec%iprcparm(psb_p_type_) /= psb_bjac_).or.&
& (prec%iprcparm(psb_f_type_) /= psb_f_ilu_n_)) then
write(psb_err_unit,*) 'WHAT is invalid for current preconditioner ',&
& prec%iprcparm(psb_p_type_),&
& 'ignoring user specification'
return return
endif end function psb_c_bjac_sizeof
prec%iprcparm(psb_ilu_fill_in_) = val
case default
write(psb_err_unit,*) 'WHAT is invalid, ignoring user specification'
end select function psb_c_bjac_get_nzeros(prec) result(val)
call psb_erractionrestore(err_act) class(psb_c_bjac_prec_type), intent(in) :: prec
return integer(psb_long_int_k_) :: val
9999 continue val = 0
call psb_erractionrestore(err_act) if (allocated(prec%dv)) then
if (err_act == psb_act_abort_) then val = val + prec%dv%get_nrows()
call psb_error() endif
return if (allocated(prec%av)) then
val = val + prec%av(psb_l_pr_)%get_nzeros()
val = val + prec%av(psb_u_pr_)%get_nzeros()
endif endif
return return
end subroutine psb_c_bjac_precseti end function psb_c_bjac_get_nzeros
subroutine psb_c_bjac_precsetr(prec,what,val,info) subroutine psb_c_bjac_precsetr(prec,what,val,info)
use psb_base_mod
Implicit None Implicit None
class(psb_c_bjac_prec_type),intent(inout) :: prec class(psb_c_bjac_prec_type),intent(inout) :: prec
@ -618,7 +236,6 @@ contains
subroutine psb_c_bjac_precsetc(prec,what,val,info) subroutine psb_c_bjac_precsetc(prec,what,val,info)
use psb_base_mod
Implicit None Implicit None
class(psb_c_bjac_prec_type),intent(inout) :: prec class(psb_c_bjac_prec_type),intent(inout) :: prec
@ -646,7 +263,6 @@ contains
subroutine psb_c_bjac_precfree(prec,info) subroutine psb_c_bjac_precfree(prec,info)
use psb_base_mod
Implicit None Implicit None
class(psb_c_bjac_prec_type), intent(inout) :: prec class(psb_c_bjac_prec_type), intent(inout) :: prec
@ -684,125 +300,4 @@ contains
end subroutine psb_c_bjac_precfree end subroutine psb_c_bjac_precfree
subroutine psb_c_bjac_precdescr(prec,iout)
use psb_base_mod
Implicit None
class(psb_c_bjac_prec_type), intent(in) :: prec
integer, intent(in), optional :: iout
Integer :: err_act, nrow, info
character(len=20) :: name='c_bjac_precdescr'
integer :: iout_
call psb_erractionsave(err_act)
info = psb_success_
if (present(iout)) then
iout_ = iout
else
iout_ = 6
end if
if (.not.allocated(prec%iprcparm)) then
info = 1124
call psb_errpush(info,name,a_err="preconditioner")
goto 9999
end if
write(iout_,*) 'Block Jacobi with: ',&
& fact_names(prec%iprcparm(psb_f_type_))
call psb_erractionsave(err_act)
info = psb_success_
call psb_erractionrestore(err_act)
return
9999 continue
call psb_erractionrestore(err_act)
if (err_act == psb_act_abort_) then
call psb_error()
return
end if
return
end subroutine psb_c_bjac_precdescr
subroutine psb_c_bjac_dump(prec,info,prefix,head)
use psb_base_mod
implicit none
class(psb_c_bjac_prec_type), intent(in) :: prec
integer, intent(out) :: info
character(len=*), intent(in), optional :: prefix,head
integer :: i, j, il1, iln, lname, lev
integer :: ictxt,iam, np
character(len=80) :: prefix_
character(len=120) :: fname ! len should be at least 20 more than
! len of prefix_
info = 0
ictxt = prec%get_ctxt()
call psb_info(ictxt,iam,np)
if (present(prefix)) then
prefix_ = trim(prefix(1:min(len(prefix),len(prefix_))))
else
prefix_ = "dump_fact_d"
end if
lname = len_trim(prefix_)
fname = trim(prefix_)
write(fname(lname+1:lname+5),'(a,i3.3)') '_p',iam
lname = lname + 5
write(fname(lname+1:),'(a)')'_lower.mtx'
if (prec%av(psb_l_pr_)%is_asb()) &
& call prec%av(psb_l_pr_)%print(fname,head=head)
write(fname(lname+1:),'(a,a)')'_diag.mtx'
if (allocated(prec%d)) &
& call psb_geprt(fname,prec%d,head=head)
write(fname(lname+1:),'(a)')'_upper.mtx'
if (prec%av(psb_u_pr_)%is_asb()) &
& call prec%av(psb_u_pr_)%print(fname,head=head)
end subroutine psb_c_bjac_dump
function psb_c_bjac_sizeof(prec) result(val)
use psb_base_mod, only : psb_long_int_k_
class(psb_c_bjac_prec_type), intent(in) :: prec
integer(psb_long_int_k_) :: val
val = 0
if (allocated(prec%d)) then
val = val + 2*psb_sizeof_sp * size(prec%d)
endif
if (allocated(prec%av)) then
val = val + psb_sizeof(prec%av(psb_l_pr_))
val = val + psb_sizeof(prec%av(psb_u_pr_))
endif
return
end function psb_c_bjac_sizeof
function psb_c_bjac_get_nzeros(prec) result(val)
use psb_base_mod, only : psb_long_int_k_
class(psb_c_bjac_prec_type), intent(in) :: prec
integer(psb_long_int_k_) :: val
val = 0
if (allocated(prec%dv)) then
val = val + prec%dv%get_nrows()
endif
if (allocated(prec%av)) then
val = val + prec%av(psb_l_pr_)%get_nzeros()
val = val + prec%av(psb_u_pr_)%get_nzeros()
endif
return
end function psb_c_bjac_get_nzeros
end module psb_c_bjacprec end module psb_c_bjacprec

@ -19,17 +19,16 @@ module psb_c_diagprec
procedure, pass(prec) :: get_nzeros => psb_c_diag_get_nzeros procedure, pass(prec) :: get_nzeros => psb_c_diag_get_nzeros
end type psb_c_diag_prec_type end type psb_c_diag_prec_type
private :: psb_c_diag_apply, psb_c_diag_precbld, psb_c_diag_precseti,& private :: psb_c_diag_precseti,&
& psb_c_diag_precsetr, psb_c_diag_precsetc, psb_c_diag_sizeof,& & psb_c_diag_precsetr, psb_c_diag_precsetc, psb_c_diag_sizeof,&
& psb_c_diag_precinit, psb_c_diag_precfree, psb_c_diag_precdescr,& & psb_c_diag_precinit, psb_c_diag_precfree, psb_c_diag_precdescr,&
& psb_c_diag_apply_vect, psb_c_diag_get_nzeros & psb_c_diag_get_nzeros
contains
interface psb_c_diag_apply_vect
subroutine psb_c_diag_apply_vect(alpha,prec,x,beta,y,desc_data,info,trans,work) subroutine psb_c_diag_apply_vect(alpha,prec,x,beta,y,desc_data,info,trans,work)
use psb_base_mod import :: psb_desc_type, psb_c_diag_prec_type, psb_c_vect_type, psb_spk_
type(psb_desc_type),intent(in) :: desc_data type(psb_desc_type),intent(in) :: desc_data
class(psb_c_diag_prec_type), intent(inout) :: prec class(psb_c_diag_prec_type), intent(inout) :: prec
type(psb_c_vect_type),intent(inout) :: x type(psb_c_vect_type),intent(inout) :: x
@ -38,79 +37,12 @@ contains
integer, intent(out) :: info integer, intent(out) :: info
character(len=1), optional :: trans character(len=1), optional :: trans
complex(psb_spk_),intent(inout), optional, target :: work(:) complex(psb_spk_),intent(inout), optional, target :: work(:)
Integer :: err_act, nrow
character(len=20) :: name='d_diag_prec_apply'
complex(psb_spk_), pointer :: ww(:)
class(psb_c_base_vect_type), allocatable :: dw
call psb_erractionsave(err_act)
!
! This is the base version and we should throw an error.
! Or should it be the DIAG preonditioner???
!
info = psb_success_
nrow = desc_data%get_local_rows()
if (x%get_nrows() < nrow) then
info = 36
call psb_errpush(info,name,i_err=(/2,nrow,0,0,0/))
goto 9999
end if
if (y%get_nrows() < nrow) then
info = 36
call psb_errpush(info,name,i_err=(/3,nrow,0,0,0/))
goto 9999
end if
if (.not.allocated(prec%d)) then
info = 1124
call psb_errpush(info,name,a_err="preconditioner: D")
goto 9999
end if
if (size(prec%d) < nrow) then
info = 1124
call psb_errpush(info,name,a_err="preconditioner: D")
goto 9999
end if
if (size(work) >= x%get_nrows()) then
ww => work
else
allocate(ww(x%get_nrows()),stat=info)
if (info /= psb_success_) then
call psb_errpush(psb_err_alloc_request_,name,&
& i_err=(/x%get_nrows(),0,0,0,0/),a_err='complex(psb_spk_)')
goto 9999
end if
end if
call y%mlt(alpha,prec%dv,x,beta,info,conjgx=trans)
if (size(work) < x%get_nrows()) then
deallocate(ww,stat=info)
if (info /= psb_success_) then
call psb_errpush(psb_err_from_subroutine_,name,a_err='Deallocate')
goto 9999
end if
end if
call psb_erractionrestore(err_act)
return
9999 continue
call psb_erractionrestore(err_act)
if (err_act == psb_act_abort_) then
call psb_error()
return
end if
return
end subroutine psb_c_diag_apply_vect end subroutine psb_c_diag_apply_vect
end interface psb_c_diag_apply_vect
interface psb_c_diag_apply
subroutine psb_c_diag_apply(alpha,prec,x,beta,y,desc_data,info,trans,work) subroutine psb_c_diag_apply(alpha,prec,x,beta,y,desc_data,info,trans,work)
use psb_base_mod import :: psb_desc_type, psb_c_diag_prec_type, psb_c_vect_type, psb_spk_
type(psb_desc_type),intent(in) :: desc_data type(psb_desc_type),intent(in) :: desc_data
class(psb_c_diag_prec_type), intent(in) :: prec class(psb_c_diag_prec_type), intent(in) :: prec
complex(psb_spk_),intent(inout) :: x(:) complex(psb_spk_),intent(inout) :: x(:)
@ -119,95 +51,29 @@ contains
integer, intent(out) :: info integer, intent(out) :: info
character(len=1), optional :: trans character(len=1), optional :: trans
complex(psb_spk_),intent(inout), optional, target :: work(:) complex(psb_spk_),intent(inout), optional, target :: work(:)
Integer :: err_act, nrow end subroutine psb_c_diag_apply
character :: trans_ end interface psb_c_diag_apply
character(len=20) :: name='c_diag_prec_apply'
complex(psb_spk_), pointer :: ww(:)
call psb_erractionsave(err_act)
info = psb_success_
nrow = desc_data%get_local_rows()
if (size(x) < nrow) then
info = 36
call psb_errpush(info,name,i_err=(/2,nrow,0,0,0/))
goto 9999
end if
if (size(y) < nrow) then
info = 36
call psb_errpush(info,name,i_err=(/3,nrow,0,0,0/))
goto 9999
end if
if (.not.allocated(prec%d)) then
info = 1124
call psb_errpush(info,name,a_err="preconditioner: D")
goto 9999
end if
if (size(prec%d) < nrow) then
info = 1124
call psb_errpush(info,name,a_err="preconditioner: D")
goto 9999
end if
if (present(trans)) then
trans_ = psb_toupper(trans)
else
trans_='N'
end if
select case(trans_)
case('N')
case('T','C')
case default
info=psb_err_iarg_invalid_i_
call psb_errpush(info,name,&
& i_err=(/6,0,0,0,0/),a_err=trans_)
goto 9999
end select
if (size(work) >= size(x)) then
ww => work
else
allocate(ww(size(x)),stat=info)
if (info /= psb_success_) then
call psb_errpush(psb_err_alloc_request_,name,&
& i_err=(/size(x),0,0,0,0/),a_err='complex(psb_spk_)')
goto 9999
end if
end if
if (trans_ == 'C') then
ww(1:nrow) = x(1:nrow)*conjg(prec%d(1:nrow))
else
ww(1:nrow) = x(1:nrow)*prec%d(1:nrow)
endif
call psb_geaxpby(alpha,ww,beta,y,desc_data,info)
if (size(work) < size(x)) then interface psb_c_diag_precbld
deallocate(ww,stat=info) subroutine psb_c_diag_precbld(a,desc_a,prec,info,upd,amold,afmt,vmold)
if (info /= psb_success_) then import :: psb_desc_type, psb_c_diag_prec_type, psb_c_vect_type, psb_spk_, &
call psb_errpush(psb_err_from_subroutine_,name,a_err='Deallocate') & psb_cspmat_type, psb_c_base_sparse_mat, psb_c_base_vect_type
goto 9999 type(psb_cspmat_type), intent(in), target :: a
end if type(psb_desc_type), intent(in), target :: desc_a
end if class(psb_c_diag_prec_type),intent(inout) :: prec
integer, intent(out) :: info
character, intent(in), optional :: upd
character(len=*), intent(in), optional :: afmt
class(psb_c_base_sparse_mat), intent(in), optional :: amold
class(psb_c_base_vect_type), intent(in), optional :: vmold
end subroutine psb_c_diag_precbld
end interface psb_c_diag_precbld
call psb_erractionrestore(err_act)
return
9999 continue contains
call psb_erractionrestore(err_act)
if (err_act == psb_act_abort_) then
call psb_error()
return
end if
return
end subroutine psb_c_diag_apply
subroutine psb_c_diag_precinit(prec,info) subroutine psb_c_diag_precinit(prec,info)
use psb_base_mod
Implicit None Implicit None
class(psb_c_diag_prec_type),intent(inout) :: prec class(psb_c_diag_prec_type),intent(inout) :: prec
@ -233,83 +99,7 @@ contains
end subroutine psb_c_diag_precinit end subroutine psb_c_diag_precinit
subroutine psb_c_diag_precbld(a,desc_a,prec,info,upd,amold,afmt,vmold)
use psb_base_mod
Implicit None
type(psb_cspmat_type), intent(in), target :: a
type(psb_desc_type), intent(in), target :: desc_a
class(psb_c_diag_prec_type),intent(inout) :: prec
integer, intent(out) :: info
character, intent(in), optional :: upd
character(len=*), intent(in), optional :: afmt
class(psb_c_base_sparse_mat), intent(in), optional :: amold
class(psb_c_base_vect_type), intent(in), optional :: vmold
Integer :: err_act, nrow,i
character(len=20) :: name='c_diag_precbld'
call psb_erractionsave(err_act)
info = psb_success_
nrow = desc_a%get_local_cols()
if (allocated(prec%d)) then
if (size(prec%d) < nrow) then
deallocate(prec%d,stat=info)
end if
end if
if ((info == psb_success_).and.(.not.allocated(prec%d))) then
allocate(prec%d(nrow), stat=info)
end if
if (info /= psb_success_) then
info = psb_err_alloc_dealloc_
call psb_errpush(info,name)
goto 9999
end if
call a%get_diag(prec%d,info)
if (info /= psb_success_) then
info = psb_err_from_subroutine_
call psb_errpush(info,name, a_err='get_diag')
goto 9999
end if
do i=1,nrow
if (prec%d(i) == dzero) then
prec%d(i) = done
else
prec%d(i) = done/prec%d(i)
endif
end do
allocate(prec%dv,stat=info)
if (info == 0) then
if (present(vmold)) then
allocate(prec%dv%v,mold=vmold,stat=info)
else
allocate(psb_c_base_vect_type :: prec%dv%v,stat=info)
end if
end if
if (info == 0) then
call prec%dv%bld(prec%d)
else
write(0,*) 'Error on precbld ',info
end if
call psb_erractionrestore(err_act)
return
9999 continue
call psb_erractionrestore(err_act)
if (err_act == psb_act_abort_) then
call psb_error()
return
end if
return
end subroutine psb_c_diag_precbld
subroutine psb_c_diag_precseti(prec,what,val,info) subroutine psb_c_diag_precseti(prec,what,val,info)
use psb_base_mod
Implicit None Implicit None
class(psb_c_diag_prec_type),intent(inout) :: prec class(psb_c_diag_prec_type),intent(inout) :: prec
@ -337,7 +127,6 @@ contains
subroutine psb_c_diag_precsetr(prec,what,val,info) subroutine psb_c_diag_precsetr(prec,what,val,info)
use psb_base_mod
Implicit None Implicit None
class(psb_c_diag_prec_type),intent(inout) :: prec class(psb_c_diag_prec_type),intent(inout) :: prec
@ -364,8 +153,6 @@ contains
end subroutine psb_c_diag_precsetr end subroutine psb_c_diag_precsetr
subroutine psb_c_diag_precsetc(prec,what,val,info) subroutine psb_c_diag_precsetc(prec,what,val,info)
use psb_base_mod
Implicit None Implicit None
class(psb_c_diag_prec_type),intent(inout) :: prec class(psb_c_diag_prec_type),intent(inout) :: prec
@ -393,7 +180,6 @@ contains
subroutine psb_c_diag_precfree(prec,info) subroutine psb_c_diag_precfree(prec,info)
use psb_base_mod
Implicit None Implicit None
class(psb_c_diag_prec_type), intent(inout) :: prec class(psb_c_diag_prec_type), intent(inout) :: prec
@ -423,8 +209,6 @@ contains
subroutine psb_c_diag_precdescr(prec,iout) subroutine psb_c_diag_precdescr(prec,iout)
use psb_base_mod
Implicit None Implicit None
class(psb_c_diag_prec_type), intent(in) :: prec class(psb_c_diag_prec_type), intent(in) :: prec
@ -465,17 +249,14 @@ contains
end subroutine psb_c_diag_precdescr end subroutine psb_c_diag_precdescr
function psb_c_diag_sizeof(prec) result(val) function psb_c_diag_sizeof(prec) result(val)
use psb_base_mod, only : psb_long_int_k_
class(psb_c_diag_prec_type), intent(in) :: prec class(psb_c_diag_prec_type), intent(in) :: prec
integer(psb_long_int_k_) :: val integer(psb_long_int_k_) :: val
val = 0 val = (2*psb_sizeof_sp) * prec%get_nzeros()
val = val + 2*psb_sizeof_sp * size(prec%d)
return return
end function psb_c_diag_sizeof end function psb_c_diag_sizeof
function psb_c_diag_get_nzeros(prec) result(val) function psb_c_diag_get_nzeros(prec) result(val)
use psb_base_mod, only: psb_long_int_k_
class(psb_c_diag_prec_type), intent(in) :: prec class(psb_c_diag_prec_type), intent(in) :: prec
integer(psb_long_int_k_) :: val integer(psb_long_int_k_) :: val

@ -16,16 +16,14 @@ module psb_c_nullprec
procedure, pass(prec) :: sizeof => psb_c_null_sizeof procedure, pass(prec) :: sizeof => psb_c_null_sizeof
end type psb_c_null_prec_type end type psb_c_null_prec_type
private :: psb_c_null_apply, psb_c_null_precbld, psb_c_null_precseti,& private :: psb_c_null_precbld, psb_c_null_precseti,&
& psb_c_null_precsetr, psb_c_null_precsetc, psb_c_null_sizeof,& & psb_c_null_precsetr, psb_c_null_precsetc, psb_c_null_sizeof,&
& psb_c_null_precinit, psb_c_null_precfree, psb_c_null_precdescr, & & psb_c_null_precinit, psb_c_null_precfree, psb_c_null_precdescr
& psb_c_null_apply_vect
contains
interface psb_c_null_apply_vect
subroutine psb_c_null_apply_vect(alpha,prec,x,beta,y,desc_data,info,trans,work) subroutine psb_c_null_apply_vect(alpha,prec,x,beta,y,desc_data,info,trans,work)
use psb_base_mod import :: psb_desc_type, psb_c_null_prec_type, psb_c_vect_type, psb_spk_
type(psb_desc_type),intent(in) :: desc_data type(psb_desc_type),intent(in) :: desc_data
class(psb_c_null_prec_type), intent(inout) :: prec class(psb_c_null_prec_type), intent(inout) :: prec
type(psb_c_vect_type),intent(inout) :: x type(psb_c_vect_type),intent(inout) :: x
@ -34,51 +32,13 @@ contains
integer, intent(out) :: info integer, intent(out) :: info
character(len=1), optional :: trans character(len=1), optional :: trans
complex(psb_spk_),intent(inout), optional, target :: work(:) complex(psb_spk_),intent(inout), optional, target :: work(:)
Integer :: err_act, nrow
character(len=20) :: name='c_null_prec_apply'
call psb_erractionsave(err_act)
!
! This is the base version and we should throw an error.
! Or should it be the NULL preonditioner???
!
info = psb_success_
nrow = desc_data%get_local_rows()
if (x%get_nrows() < nrow) then
info = 36
call psb_errpush(info,name,i_err=(/2,nrow,0,0,0/))
goto 9999
end if
if (y%get_nrows() < nrow) then
info = 36
call psb_errpush(info,name,i_err=(/3,nrow,0,0,0/))
goto 9999
end if
call psb_geaxpby(alpha,x,beta,y,desc_data,info)
if (info /= psb_success_ ) then
info = psb_err_from_subroutine_
call psb_errpush(infoi,name,a_err="psb_geaxpby")
goto 9999
end if
call psb_erractionrestore(err_act)
return
9999 continue
call psb_erractionrestore(err_act)
if (err_act == psb_act_abort_) then
call psb_error()
return
end if
return
end subroutine psb_c_null_apply_vect end subroutine psb_c_null_apply_vect
end interface psb_c_null_apply_vect
interface psb_c_null_apply
subroutine psb_c_null_apply(alpha,prec,x,beta,y,desc_data,info,trans,work) subroutine psb_c_null_apply(alpha,prec,x,beta,y,desc_data,info,trans,work)
use psb_base_mod import :: psb_desc_type, psb_c_null_prec_type, psb_spk_
type(psb_desc_type),intent(in) :: desc_data type(psb_desc_type),intent(in) :: desc_data
class(psb_c_null_prec_type), intent(in) :: prec class(psb_c_null_prec_type), intent(in) :: prec
complex(psb_spk_),intent(inout) :: x(:) complex(psb_spk_),intent(inout) :: x(:)
@ -87,51 +47,15 @@ contains
integer, intent(out) :: info integer, intent(out) :: info
character(len=1), optional :: trans character(len=1), optional :: trans
complex(psb_spk_),intent(inout), optional, target :: work(:) complex(psb_spk_),intent(inout), optional, target :: work(:)
Integer :: err_act, nrow end subroutine psb_c_null_apply
character(len=20) :: name='c_null_prec_apply' end interface psb_c_null_apply
call psb_erractionsave(err_act)
!
!
info = psb_success_
nrow = desc_data%get_local_rows()
if (size(x) < nrow) then
info = 36
call psb_errpush(info,name,i_err=(/2,nrow,0,0,0/))
goto 9999
end if
if (size(y) < nrow) then
info = 36
call psb_errpush(info,name,i_err=(/3,nrow,0,0,0/))
goto 9999
end if
call psb_geaxpby(alpha,x,beta,y,desc_data,info)
if (info /= psb_success_ ) then
info = psb_err_from_subroutine_
call psb_errpush(infoi,name,a_err="psb_geaxpby")
goto 9999
end if
call psb_erractionrestore(err_act)
return
9999 continue
call psb_erractionrestore(err_act)
if (err_act == psb_act_abort_) then
call psb_error()
return
end if
return
end subroutine psb_c_null_apply contains
subroutine psb_c_null_precinit(prec,info) subroutine psb_c_null_precinit(prec,info)
use psb_base_mod
Implicit None Implicit None
class(psb_c_null_prec_type),intent(inout) :: prec class(psb_c_null_prec_type),intent(inout) :: prec
@ -158,7 +82,6 @@ contains
subroutine psb_c_null_precbld(a,desc_a,prec,info,upd,amold,afmt,vmold) subroutine psb_c_null_precbld(a,desc_a,prec,info,upd,amold,afmt,vmold)
use psb_base_mod
Implicit None Implicit None
type(psb_cspmat_type), intent(in), target :: a type(psb_cspmat_type), intent(in), target :: a
@ -191,7 +114,6 @@ contains
subroutine psb_c_null_precseti(prec,what,val,info) subroutine psb_c_null_precseti(prec,what,val,info)
use psb_base_mod
Implicit None Implicit None
class(psb_c_null_prec_type),intent(inout) :: prec class(psb_c_null_prec_type),intent(inout) :: prec
@ -219,7 +141,6 @@ contains
subroutine psb_c_null_precsetr(prec,what,val,info) subroutine psb_c_null_precsetr(prec,what,val,info)
use psb_base_mod
Implicit None Implicit None
class(psb_c_null_prec_type),intent(inout) :: prec class(psb_c_null_prec_type),intent(inout) :: prec
@ -247,7 +168,6 @@ contains
subroutine psb_c_null_precsetc(prec,what,val,info) subroutine psb_c_null_precsetc(prec,what,val,info)
use psb_base_mod
Implicit None Implicit None
class(psb_c_null_prec_type),intent(inout) :: prec class(psb_c_null_prec_type),intent(inout) :: prec
@ -275,7 +195,6 @@ contains
subroutine psb_c_null_precfree(prec,info) subroutine psb_c_null_precfree(prec,info)
use psb_base_mod
Implicit None Implicit None
class(psb_c_null_prec_type), intent(inout) :: prec class(psb_c_null_prec_type), intent(inout) :: prec
@ -304,7 +223,6 @@ contains
subroutine psb_c_null_precdescr(prec,iout) subroutine psb_c_null_precdescr(prec,iout)
use psb_base_mod
Implicit None Implicit None
class(psb_c_null_prec_type), intent(in) :: prec class(psb_c_null_prec_type), intent(in) :: prec
@ -340,7 +258,7 @@ contains
end subroutine psb_c_null_precdescr end subroutine psb_c_null_precdescr
function psb_c_null_sizeof(prec) result(val) function psb_c_null_sizeof(prec) result(val)
use psb_base_mod
class(psb_c_null_prec_type), intent(in) :: prec class(psb_c_null_prec_type), intent(in) :: prec
integer(psb_long_int_k_) :: val integer(psb_long_int_k_) :: val

@ -38,7 +38,7 @@ module psb_d_base_prec_mod
! Reduces size of .mod file. ! Reduces size of .mod file.
use psb_base_mod, only : psb_dpk_, psb_long_int_k_,& use psb_base_mod, only : psb_dpk_, psb_long_int_k_,&
& psb_desc_type, psb_sizeof, psb_free, psb_cdfree, psb_errpush, psb_act_abort_,& & psb_desc_type, psb_sizeof, psb_free, psb_cdfree, psb_errpush, psb_act_abort_,&
& psb_erractionsave, psb_erractionrestore, psb_error, psb_get_errstatus,& & psb_erractionsave, psb_erractionrestore, psb_error, psb_get_errstatus, psb_success_,&
& psb_d_base_sparse_mat, psb_dspmat_type, psb_d_csr_sparse_mat,& & psb_d_base_sparse_mat, psb_dspmat_type, psb_d_csr_sparse_mat,&
& psb_d_base_vect_type, psb_d_vect_type & psb_d_base_vect_type, psb_d_vect_type

@ -1,4 +1,5 @@
module psb_d_bjacprec module psb_d_bjacprec
use psb_d_base_prec_mod use psb_d_base_prec_mod
type, extends(psb_d_base_prec_type) :: psb_d_bjac_prec_type type, extends(psb_d_base_prec_type) :: psb_d_bjac_prec_type
@ -21,21 +22,26 @@ module psb_d_bjacprec
procedure, pass(prec) :: get_nzeros => psb_d_bjac_get_nzeros procedure, pass(prec) :: get_nzeros => psb_d_bjac_get_nzeros
end type psb_d_bjac_prec_type end type psb_d_bjac_prec_type
private :: psb_d_bjac_apply, psb_d_bjac_precbld, psb_d_bjac_precseti,& private :: psb_d_bjac_sizeof, psb_d_bjac_precdescr, psb_d_bjac_get_nzeros
& psb_d_bjac_precsetr, psb_d_bjac_precsetc, psb_d_bjac_sizeof,&
& psb_d_bjac_precinit, psb_d_bjac_precfree, psb_d_bjac_precdescr,&
& psb_d_bjac_dump, psb_d_bjac_apply_vect, psb_d_bjac_get_nzeros
character(len=15), parameter, private :: & character(len=15), parameter, private :: &
& fact_names(0:2)=(/'None ','ILU(n) ',& & fact_names(0:2)=(/'None ','ILU(n) ',&
& 'ILU(eps) '/) & 'ILU(eps) '/)
contains
interface psb_d_bjac_dump
subroutine psb_d_bjac_dump(prec,info,prefix,head)
import :: psb_desc_type, psb_d_bjac_prec_type, psb_d_vect_type, psb_dpk_
class(psb_d_bjac_prec_type), intent(in) :: prec
integer, intent(out) :: info
character(len=*), intent(in), optional :: prefix,head
end subroutine psb_d_bjac_dump
end interface psb_d_bjac_dump
interface psb_d_bjac_apply_vect
subroutine psb_d_bjac_apply_vect(alpha,prec,x,beta,y,desc_data,info,trans,work) subroutine psb_d_bjac_apply_vect(alpha,prec,x,beta,y,desc_data,info,trans,work)
use psb_base_mod import :: psb_desc_type, psb_d_bjac_prec_type, psb_d_vect_type, psb_dpk_
type(psb_desc_type),intent(in) :: desc_data type(psb_desc_type),intent(in) :: desc_data
class(psb_d_bjac_prec_type), intent(inout) :: prec class(psb_d_bjac_prec_type), intent(inout) :: prec
real(psb_dpk_),intent(in) :: alpha,beta real(psb_dpk_),intent(in) :: alpha,beta
@ -44,147 +50,13 @@ contains
integer, intent(out) :: info integer, intent(out) :: info
character(len=1), optional :: trans character(len=1), optional :: trans
real(psb_dpk_),intent(inout), optional, target :: work(:) real(psb_dpk_),intent(inout), optional, target :: work(:)
! Local variables
integer :: n_row,n_col
real(psb_dpk_), pointer :: ww(:), aux(:)
type(psb_d_vect_type) :: wv
integer :: ictxt,np,me, err_act, int_err(5)
integer :: debug_level, debug_unit
character :: trans_
character(len=20) :: name='d_bjac_prec_apply'
character(len=20) :: ch_err
info = psb_success_
call psb_erractionsave(err_act)
debug_unit = psb_get_debug_unit()
debug_level = psb_get_debug_level()
ictxt = desc_data%get_context()
call psb_info(ictxt, me, np)
trans_ = psb_toupper(trans)
select case(trans_)
case('N','T','C')
! Ok
case default
call psb_errpush(psb_err_iarg_invalid_i_,name)
goto 9999
end select
n_row = desc_data%get_local_rows()
n_col = desc_data%get_local_cols()
if (x%get_nrows() < n_row) then
info = 36
call psb_errpush(info,name,i_err=(/2,n_row,0,0,0/))
goto 9999
end if
if (y%get_nrows() < n_row) then
info = 36
call psb_errpush(info,name,i_err=(/3,n_row,0,0,0/))
goto 9999
end if
if (.not.allocated(prec%d)) then
info = 1124
call psb_errpush(info,name,a_err="preconditioner: D")
goto 9999
end if
if (size(prec%d) < n_row) then
info = 1124
call psb_errpush(info,name,a_err="preconditioner: D")
goto 9999
end if
if (n_col <= size(work)) then
ww => work(1:n_col)
if ((4*n_col+n_col) <= size(work)) then
aux => work(n_col+1:)
else
allocate(aux(4*n_col),stat=info)
endif
else
allocate(ww(n_col),aux(4*n_col),stat=info)
endif
if (info == psb_success_) allocate(wv%v,mold=x%v)
if (info /= psb_success_) then
call psb_errpush(psb_err_from_subroutine_,name,a_err='Allocate')
goto 9999
end if
call wv%bld(n_col,mold=x%v)
select case(prec%iprcparm(psb_f_type_))
case(psb_f_ilu_n_)
select case(trans_)
case('N')
call psb_spsm(done,prec%av(psb_l_pr_),x,dzero,wv,desc_data,info,&
& trans=trans_,scale='L',diag=prec%dv,choice=psb_none_,work=aux)
if(info == psb_success_) call psb_spsm(alpha,prec%av(psb_u_pr_),wv,&
& beta,y,desc_data,info,&
& trans=trans_,scale='U',choice=psb_none_, work=aux)
case('T')
call psb_spsm(done,prec%av(psb_u_pr_),x,dzero,wv,desc_data,info,&
& trans=trans_,scale='L',diag=prec%dv,choice=psb_none_, work=aux)
if(info == psb_success_) call psb_spsm(alpha,prec%av(psb_l_pr_),wv,&
& beta,y,desc_data,info,&
& trans=trans_,scale='U',choice=psb_none_,work=aux)
case('C')
call psb_spsm(done,prec%av(psb_u_pr_),x,dzero,wv,desc_data,info,&
& trans=trans_,scale='L',diag=prec%dv,choice=psb_none_, work=aux)
if(info == psb_success_) call psb_spsm(alpha,prec%av(psb_l_pr_),wv,&
& beta,y,desc_data,info,&
& trans=trans_,scale='U',choice=psb_none_,work=aux)
end select
if (info /= psb_success_) then
ch_err="psb_spsm"
goto 9999
end if
case default
info = psb_err_internal_error_
call psb_errpush(info,name,a_err='Invalid factorization')
goto 9999
end select
call psb_halo(y,desc_data,info,data=psb_comm_mov_)
call wv%free(info)
if (n_col <= size(work)) then
if ((4*n_col+n_col) <= size(work)) then
else
deallocate(aux)
endif
else
deallocate(ww,aux)
endif
call psb_erractionrestore(err_act)
return
9999 continue
call psb_errpush(info,name,i_err=int_err,a_err=ch_err)
call psb_erractionrestore(err_act)
if (err_act == psb_act_abort_) then
call psb_error()
return
end if
return
end subroutine psb_d_bjac_apply_vect end subroutine psb_d_bjac_apply_vect
end interface psb_d_bjac_apply_vect
interface psb_d_bjac_apply
subroutine psb_d_bjac_apply(alpha,prec,x,beta,y,desc_data,info,trans,work) subroutine psb_d_bjac_apply(alpha,prec,x,beta,y,desc_data,info,trans,work)
use psb_base_mod import :: psb_desc_type, psb_d_bjac_prec_type, psb_d_vect_type, psb_dpk_
type(psb_desc_type),intent(in) :: desc_data type(psb_desc_type),intent(in) :: desc_data
class(psb_d_bjac_prec_type), intent(in) :: prec class(psb_d_bjac_prec_type), intent(in) :: prec
real(psb_dpk_),intent(in) :: alpha,beta real(psb_dpk_),intent(in) :: alpha,beta
@ -193,183 +65,21 @@ contains
integer, intent(out) :: info integer, intent(out) :: info
character(len=1), optional :: trans character(len=1), optional :: trans
real(psb_dpk_),intent(inout), optional, target :: work(:) real(psb_dpk_),intent(inout), optional, target :: work(:)
! Local variables
integer :: n_row,n_col
real(psb_dpk_), pointer :: ww(:), aux(:)
integer :: ictxt,np,me, err_act, int_err(5)
integer :: debug_level, debug_unit
character :: trans_
character(len=20) :: name='d_bjac_prec_apply'
character(len=20) :: ch_err
info = psb_success_
call psb_erractionsave(err_act)
debug_unit = psb_get_debug_unit()
debug_level = psb_get_debug_level()
ictxt = desc_data%get_context()
call psb_info(ictxt, me, np)
trans_ = psb_toupper(trans)
select case(trans_)
case('N','T','C')
! Ok
case default
call psb_errpush(psb_err_iarg_invalid_i_,name)
goto 9999
end select
n_row = desc_data%get_local_rows()
n_col = desc_data%get_local_cols()
if (size(x) < n_row) then
info = 36
call psb_errpush(info,name,i_err=(/2,n_row,0,0,0/))
goto 9999
end if
if (size(y) < n_row) then
info = 36
call psb_errpush(info,name,i_err=(/3,n_row,0,0,0/))
goto 9999
end if
!!$ if (.not.allocated(prec%d)) then
!!$ info = 1124
!!$ call psb_errpush(info,name,a_err="preconditioner: D")
!!$ goto 9999
!!$ end if
!!$ if (size(prec%d) < n_row) then
!!$ info = 1124
!!$ call psb_errpush(info,name,a_err="preconditioner: D")
!!$ goto 9999
!!$ end if
if (n_col <= size(work)) then
ww => work(1:n_col)
if ((4*n_col+n_col) <= size(work)) then
aux => work(n_col+1:)
else
allocate(aux(4*n_col),stat=info)
if (info /= psb_success_) then
call psb_errpush(psb_err_from_subroutine_,name,a_err='Allocate')
goto 9999
end if
endif
else
allocate(ww(n_col),aux(4*n_col),stat=info)
if (info /= psb_success_) then
call psb_errpush(psb_err_from_subroutine_,name,a_err='Allocate')
goto 9999
end if
endif
select case(prec%iprcparm(psb_f_type_))
case(psb_f_ilu_n_)
select case(trans_)
case('N')
call psb_spsm(done,prec%av(psb_l_pr_),x,dzero,ww,desc_data,info,&
& trans=trans_,scale='L',diag=prec%dv%v%v,choice=psb_none_,work=aux)
if(info == psb_success_) call psb_spsm(alpha,prec%av(psb_u_pr_),ww,&
& beta,y,desc_data,info,&
& trans=trans_,scale='U',choice=psb_none_, work=aux)
case('T','C')
call psb_spsm(done,prec%av(psb_u_pr_),x,dzero,ww,desc_data,info,&
& trans=trans_,scale='L',diag=prec%dv%v%v,choice=psb_none_, work=aux)
if (info == psb_success_) call psb_spsm(alpha,prec%av(psb_l_pr_),ww,&
& beta,y,desc_data,info,&
& trans=trans_,scale='U',choice=psb_none_,work=aux)
end select
if (info /= psb_success_) then
ch_err="psb_spsm"
goto 9999
end if
case default
info = psb_err_internal_error_
call psb_errpush(info,name,a_err='Invalid factorization')
goto 9999
end select
call psb_halo(y,desc_data,info,data=psb_comm_mov_)
if (n_col <= size(work)) then
if ((4*n_col+n_col) <= size(work)) then
else
deallocate(aux)
endif
else
deallocate(ww,aux)
endif
call psb_erractionrestore(err_act)
return
9999 continue
call psb_errpush(info,name,i_err=int_err,a_err=ch_err)
call psb_erractionrestore(err_act)
if (err_act == psb_act_abort_) then
call psb_error()
return
end if
return
end subroutine psb_d_bjac_apply end subroutine psb_d_bjac_apply
end interface psb_d_bjac_apply
interface psb_d_bjac_precinit
subroutine psb_d_bjac_precinit(prec,info) subroutine psb_d_bjac_precinit(prec,info)
import :: psb_desc_type, psb_d_bjac_prec_type, psb_d_vect_type, psb_dpk_
use psb_base_mod
Implicit None
class(psb_d_bjac_prec_type),intent(inout) :: prec class(psb_d_bjac_prec_type),intent(inout) :: prec
integer, intent(out) :: info integer, intent(out) :: info
Integer :: err_act, nrow
character(len=20) :: name='d_null_precinit'
call psb_erractionsave(err_act)
info = psb_success_
call psb_realloc(psb_ifpsz,prec%iprcparm,info)
if (info /= psb_success_) then
info = psb_err_alloc_dealloc_
call psb_Errpush(info,name)
goto 9999
end if
prec%iprcparm(:) = 0
prec%iprcparm(psb_p_type_) = psb_bjac_
prec%iprcparm(psb_f_type_) = psb_f_ilu_n_
prec%iprcparm(psb_ilu_fill_in_) = 0
call psb_erractionrestore(err_act)
return
9999 continue
call psb_erractionrestore(err_act)
if (err_act == psb_act_abort_) then
call psb_error()
return
end if
return
end subroutine psb_d_bjac_precinit end subroutine psb_d_bjac_precinit
end interface psb_d_bjac_precinit
interface psb_d_bjac_precbld
subroutine psb_d_bjac_precbld(a,desc_a,prec,info,upd,amold,afmt,vmold) subroutine psb_d_bjac_precbld(a,desc_a,prec,info,upd,amold,afmt,vmold)
import :: psb_desc_type, psb_d_bjac_prec_type, psb_d_vect_type, psb_dpk_, &
use psb_base_mod & psb_dspmat_type, psb_d_base_sparse_mat, psb_d_base_vect_type
use psb_prec_mod, only : psb_ilu_fct
Implicit None
type(psb_dspmat_type), intent(in), target :: a type(psb_dspmat_type), intent(in), target :: a
type(psb_desc_type), intent(in), target :: desc_a type(psb_desc_type), intent(in), target :: desc_a
class(psb_d_bjac_prec_type),intent(inout) :: prec class(psb_d_bjac_prec_type),intent(inout) :: prec
@ -378,133 +88,78 @@ contains
character(len=*), intent(in), optional :: afmt character(len=*), intent(in), optional :: afmt
class(psb_d_base_sparse_mat), intent(in), optional :: amold class(psb_d_base_sparse_mat), intent(in), optional :: amold
class(psb_d_base_vect_type), intent(in), optional :: vmold class(psb_d_base_vect_type), intent(in), optional :: vmold
end subroutine psb_d_bjac_precbld
end interface psb_d_bjac_precbld
! .. Local Scalars .. interface psb_d_bjac_precseti
integer :: i, m subroutine psb_d_bjac_precseti(prec,what,val,info)
integer :: int_err(5) import :: psb_desc_type, psb_d_bjac_prec_type, psb_d_vect_type, psb_dpk_
character :: trans, unitd class(psb_d_bjac_prec_type),intent(inout) :: prec
type(psb_d_csr_sparse_mat), allocatable :: lf, uf integer, intent(in) :: what
real(psb_dpk_), allocatable :: dd(:) integer, intent(in) :: val
integer nztota, err_act, n_row, nrow_a,n_col, nhalo integer, intent(out) :: info
integer :: ictxt,np,me end subroutine psb_d_bjac_precseti
character(len=20) :: name='d_bjac_precbld' end interface psb_d_bjac_precseti
character(len=20) :: ch_err
!!$ interface psb_d_bjac_precsetr
!!$ subroutine psb_d_bjac_precsetr(prec,what,val,info)
if(psb_get_errstatus() /= 0) return !!$ import :: psb_desc_type, psb_d_bjac_prec_type, psb_d_vect_type, psb_dpk_
info = psb_success_ !!$ class(psb_d_bjac_prec_type),intent(inout) :: prec
!!$ integer, intent(in) :: what
call psb_erractionsave(err_act) !!$ real(psb_dpk_), intent(in) :: val
!!$ integer, intent(out) :: info
ictxt=desc_a%get_context() !!$ end subroutine psb_d_bjac_precsetr
call psb_info(ictxt, me, np) !!$ end interface psb_d_bjac_precsetr
!!$
call prec%set_ctxt(ictxt) !!$ interface psb_d_bjac_precsetc
!!$ subroutine psb_d_bjac_precsetc(prec,what,val,info)
m = a%get_nrows() !!$ import :: psb_desc_type, psb_d_bjac_prec_type, psb_d_vect_type, psb_dpk_
if (m < 0) then !!$ class(psb_d_bjac_prec_type),intent(inout) :: prec
info = psb_err_iarg_neg_ !!$ integer, intent(in) :: what
int_err(1) = 1 !!$ character(len=*), intent(in) :: val
int_err(2) = m !!$ integer, intent(out) :: info
call psb_errpush(info,name,i_err=int_err) !!$ end subroutine psb_d_bjac_precsetc
goto 9999 !!$ end interface psb_d_bjac_precsetc
endif !!$
trans = 'N' !!$ interface psb_d_bjac_precfree
unitd = 'U' !!$ subroutine psb_d_bjac_precfree(prec,info)
!!$ import :: psb_desc_type, psb_d_bjac_prec_type, psb_d_vect_type, psb_dpk_
!!$ class(psb_d_bjac_prec_type), intent(inout) :: prec
!!$ integer, intent(out) :: info
!!$ end subroutine psb_d_bjac_precfree
!!$ end interface psb_d_bjac_precfree
select case(prec%iprcparm(psb_f_type_)) contains
case(psb_f_ilu_n_) subroutine psb_d_bjac_precdescr(prec,iout)
if (allocated(prec%av)) then Implicit None
if (size(prec%av) < psb_bp_ilu_avsz) then
do i=1,size(prec%av)
call prec%av(i)%free()
enddo
deallocate(prec%av,stat=info)
endif
end if
if (.not.allocated(prec%av)) then
allocate(prec%av(psb_max_avsz),stat=info)
if (info /= psb_success_) then
call psb_errpush(psb_err_alloc_dealloc_,name)
goto 9999
end if
endif
nrow_a = desc_a%get_local_rows() class(psb_d_bjac_prec_type), intent(in) :: prec
nztota = a%get_nzeros() integer, intent(in), optional :: iout
n_col = desc_a%get_local_cols() Integer :: err_act, nrow, info
nhalo = n_col-nrow_a character(len=20) :: name='d_bjac_precdescr'
n_row = nrow_a integer :: iout_
allocate(lf,uf,stat=info) call psb_erractionsave(err_act)
if (info == psb_success_) call lf%allocate(n_row,n_row,nztota)
if (info == psb_success_) call uf%allocate(n_row,n_row,nztota)
if(info /= psb_success_) then info = psb_success_
info=psb_err_from_subroutine_
ch_err='psb_sp_all'
call psb_errpush(info,name,a_err=ch_err)
goto 9999
end if
allocate(dd(n_row),stat=info) if (present(iout)) then
if (info == psb_success_) then iout_ = iout
allocate(prec%dv, stat=info)
if (info == 0) then
if (present(vmold)) then
allocate(prec%dv%v,mold=vmold,stat=info)
else else
allocate(psb_d_base_vect_type :: prec%dv%v,stat=info) iout_ = 6
end if
end if
end if end if
if (info /= psb_success_) then if (.not.allocated(prec%iprcparm)) then
call psb_errpush(psb_err_from_subroutine_,name,a_err='Allocate') info = 1124
goto 9999 call psb_errpush(info,name,a_err="preconditioner")
endif
! This is where we have no renumbering, thus no need
call psb_ilu_fct(a,lf,uf,dd,info)
if(info == psb_success_) then
call prec%av(psb_l_pr_)%mv_from(lf)
call prec%av(psb_u_pr_)%mv_from(uf)
call prec%av(psb_l_pr_)%set_asb()
call prec%av(psb_u_pr_)%set_asb()
call prec%av(psb_l_pr_)%trim()
call prec%av(psb_u_pr_)%trim()
call prec%dv%bld(dd)
call move_alloc(dd,prec%d)
else
info=psb_err_from_subroutine_
ch_err='psb_ilu_fct'
call psb_errpush(info,name,a_err=ch_err)
goto 9999 goto 9999
end if end if
case(psb_f_none_) write(iout_,*) 'Block Jacobi with: ',&
info=psb_err_from_subroutine_ & fact_names(prec%iprcparm(psb_f_type_))
ch_err='Inconsistent prec psb_f_none_'
call psb_errpush(info,name,a_err=ch_err)
goto 9999
case default
info=psb_err_from_subroutine_
ch_err='Unknown psb_f_type_'
call psb_errpush(info,name,a_err=ch_err)
goto 9999
end select
if (present(amold)) then
call prec%av(psb_l_pr_)%cscnv(info,mold=amold)
call prec%av(psb_u_pr_)%cscnv(info,mold=amold)
else if (present(afmt)) then
call prec%av(psb_l_pr_)%cscnv(info,type=afmt)
call prec%av(psb_u_pr_)%cscnv(info,type=afmt)
end if
call psb_erractionrestore(err_act) call psb_erractionrestore(err_act)
return return
@ -517,69 +172,43 @@ contains
end if end if
return return
end subroutine psb_d_bjac_precbld end subroutine psb_d_bjac_precdescr
subroutine psb_d_bjac_precseti(prec,what,val,info)
use psb_base_mod
Implicit None
class(psb_d_bjac_prec_type),intent(inout) :: prec
integer, intent(in) :: what
integer, intent(in) :: val
integer, intent(out) :: info
Integer :: err_act, nrow
character(len=20) :: name='d_bjac_precset'
call psb_erractionsave(err_act) function psb_d_bjac_sizeof(prec) result(val)
class(psb_d_bjac_prec_type), intent(in) :: prec
integer(psb_long_int_k_) :: val
info = psb_success_ val = 0
if (.not.allocated(prec%iprcparm)) then if (allocated(prec%dv)) then
info = 1124 val = val + psb_sizeof_dp * prec%dv%get_nrows()
call psb_errpush(info,name,a_err="preconditioner")
goto 9999
endif endif
if (allocated(prec%av)) then
select case(what) val = val + prec%av(psb_l_pr_)%sizeof()
case (psb_f_type_) val = val + prec%av(psb_u_pr_)%sizeof()
if (prec%iprcparm(psb_p_type_) /= psb_bjac_) then
write(psb_err_unit,*) 'WHAT is invalid for current preconditioner ',&
& prec%iprcparm(psb_p_type_),&
& 'ignoring user specification'
return
endif endif
prec%iprcparm(psb_f_type_) = val
case (psb_ilu_fill_in_)
if ((prec%iprcparm(psb_p_type_) /= psb_bjac_).or.&
& (prec%iprcparm(psb_f_type_) /= psb_f_ilu_n_)) then
write(psb_err_unit,*) 'WHAT is invalid for current preconditioner ',&
& prec%iprcparm(psb_p_type_),&
& 'ignoring user specification'
return return
endif end function psb_d_bjac_sizeof
prec%iprcparm(psb_ilu_fill_in_) = val
case default
write(psb_err_unit,*) 'WHAT is invalid, ignoring user specification'
end select function psb_d_bjac_get_nzeros(prec) result(val)
call psb_erractionrestore(err_act) class(psb_d_bjac_prec_type), intent(in) :: prec
return integer(psb_long_int_k_) :: val
9999 continue val = 0
call psb_erractionrestore(err_act) if (allocated(prec%dv)) then
if (err_act == psb_act_abort_) then val = val + prec%dv%get_nrows()
call psb_error() endif
return if (allocated(prec%av)) then
val = val + prec%av(psb_l_pr_)%get_nzeros()
val = val + prec%av(psb_u_pr_)%get_nzeros()
endif endif
return return
end subroutine psb_d_bjac_precseti end function psb_d_bjac_get_nzeros
subroutine psb_d_bjac_precsetr(prec,what,val,info) subroutine psb_d_bjac_precsetr(prec,what,val,info)
use psb_base_mod
Implicit None Implicit None
class(psb_d_bjac_prec_type),intent(inout) :: prec class(psb_d_bjac_prec_type),intent(inout) :: prec
@ -607,7 +236,6 @@ contains
subroutine psb_d_bjac_precsetc(prec,what,val,info) subroutine psb_d_bjac_precsetc(prec,what,val,info)
use psb_base_mod
Implicit None Implicit None
class(psb_d_bjac_prec_type),intent(inout) :: prec class(psb_d_bjac_prec_type),intent(inout) :: prec
@ -635,7 +263,6 @@ contains
subroutine psb_d_bjac_precfree(prec,info) subroutine psb_d_bjac_precfree(prec,info)
use psb_base_mod
Implicit None Implicit None
class(psb_d_bjac_prec_type), intent(inout) :: prec class(psb_d_bjac_prec_type), intent(inout) :: prec
@ -673,125 +300,4 @@ contains
end subroutine psb_d_bjac_precfree end subroutine psb_d_bjac_precfree
subroutine psb_d_bjac_precdescr(prec,iout)
use psb_base_mod
Implicit None
class(psb_d_bjac_prec_type), intent(in) :: prec
integer, intent(in), optional :: iout
Integer :: err_act, nrow, info
character(len=20) :: name='d_bjac_precdescr'
integer :: iout_
call psb_erractionsave(err_act)
info = psb_success_
if (present(iout)) then
iout_ = iout
else
iout_ = 6
end if
if (.not.allocated(prec%iprcparm)) then
info = 1124
call psb_errpush(info,name,a_err="preconditioner")
goto 9999
end if
write(iout_,*) 'Block Jacobi with: ',&
& fact_names(prec%iprcparm(psb_f_type_))
call psb_erractionsave(err_act)
info = psb_success_
call psb_erractionrestore(err_act)
return
9999 continue
call psb_erractionrestore(err_act)
if (err_act == psb_act_abort_) then
call psb_error()
return
end if
return
end subroutine psb_d_bjac_precdescr
subroutine psb_d_bjac_dump(prec,info,prefix,head)
use psb_base_mod
implicit none
class(psb_d_bjac_prec_type), intent(in) :: prec
integer, intent(out) :: info
character(len=*), intent(in), optional :: prefix,head
integer :: i, j, il1, iln, lname, lev
integer :: ictxt,iam, np
character(len=80) :: prefix_
character(len=120) :: fname ! len should be at least 20 more than
! len of prefix_
info = 0
ictxt = prec%get_ctxt()
call psb_info(ictxt,iam,np)
if (present(prefix)) then
prefix_ = trim(prefix(1:min(len(prefix),len(prefix_))))
else
prefix_ = "dump_fact_d"
end if
lname = len_trim(prefix_)
fname = trim(prefix_)
write(fname(lname+1:lname+5),'(a,i3.3)') '_p',iam
lname = lname + 5
write(fname(lname+1:),'(a)')'_lower.mtx'
if (prec%av(psb_l_pr_)%is_asb()) &
& call prec%av(psb_l_pr_)%print(fname,head=head)
write(fname(lname+1:),'(a,a)')'_diag.mtx'
if (allocated(prec%d)) &
& call psb_geprt(fname,prec%d,head=head)
write(fname(lname+1:),'(a)')'_upper.mtx'
if (prec%av(psb_u_pr_)%is_asb()) &
& call prec%av(psb_u_pr_)%print(fname,head=head)
end subroutine psb_d_bjac_dump
function psb_d_bjac_sizeof(prec) result(val)
use psb_base_mod, only : psb_long_int_k_
class(psb_d_bjac_prec_type), intent(in) :: prec
integer(psb_long_int_k_) :: val
val = 0
if (allocated(prec%d)) then
val = val + psb_sizeof_dp * size(prec%d)
endif
if (allocated(prec%av)) then
val = val + psb_sizeof(prec%av(psb_l_pr_))
val = val + psb_sizeof(prec%av(psb_u_pr_))
endif
return
end function psb_d_bjac_sizeof
function psb_d_bjac_get_nzeros(prec) result(val)
use psb_base_mod, only : psb_long_int_k_
class(psb_d_bjac_prec_type), intent(in) :: prec
integer(psb_long_int_k_) :: val
val = 0
if (allocated(prec%dv)) then
val = val + prec%dv%get_nrows()
endif
if (allocated(prec%av)) then
val = val + prec%av(psb_l_pr_)%get_nzeros()
val = val + prec%av(psb_u_pr_)%get_nzeros()
endif
return
end function psb_d_bjac_get_nzeros
end module psb_d_bjacprec end module psb_d_bjacprec

@ -2,7 +2,6 @@ module psb_d_diagprec
use psb_d_base_prec_mod use psb_d_base_prec_mod
type, extends(psb_d_base_prec_type) :: psb_d_diag_prec_type type, extends(psb_d_base_prec_type) :: psb_d_diag_prec_type
real(psb_dpk_), allocatable :: d(:) real(psb_dpk_), allocatable :: d(:)
type(psb_d_vect_type), allocatable :: dv type(psb_d_vect_type), allocatable :: dv
@ -20,17 +19,16 @@ module psb_d_diagprec
procedure, pass(prec) :: get_nzeros => psb_d_diag_get_nzeros procedure, pass(prec) :: get_nzeros => psb_d_diag_get_nzeros
end type psb_d_diag_prec_type end type psb_d_diag_prec_type
private :: psb_d_diag_apply, psb_d_diag_precbld, psb_d_diag_precseti,& private :: psb_d_diag_precseti,&
& psb_d_diag_precsetr, psb_d_diag_precsetc, psb_d_diag_sizeof,& & psb_d_diag_precsetr, psb_d_diag_precsetc, psb_d_diag_sizeof,&
& psb_d_diag_precinit, psb_d_diag_precfree, psb_d_diag_precdescr,& & psb_d_diag_precinit, psb_d_diag_precfree, psb_d_diag_precdescr,&
& psb_d_diag_apply_vect, psb_d_diag_get_nzeros & psb_d_diag_get_nzeros
contains
interface psb_d_diag_apply_vect
subroutine psb_d_diag_apply_vect(alpha,prec,x,beta,y,desc_data,info,trans,work) subroutine psb_d_diag_apply_vect(alpha,prec,x,beta,y,desc_data,info,trans,work)
use psb_base_mod import :: psb_desc_type, psb_d_diag_prec_type, psb_d_vect_type, psb_dpk_
type(psb_desc_type),intent(in) :: desc_data type(psb_desc_type),intent(in) :: desc_data
class(psb_d_diag_prec_type), intent(inout) :: prec class(psb_d_diag_prec_type), intent(inout) :: prec
type(psb_d_vect_type),intent(inout) :: x type(psb_d_vect_type),intent(inout) :: x
@ -39,97 +37,12 @@ contains
integer, intent(out) :: info integer, intent(out) :: info
character(len=1), optional :: trans character(len=1), optional :: trans
real(psb_dpk_),intent(inout), optional, target :: work(:) real(psb_dpk_),intent(inout), optional, target :: work(:)
Integer :: err_act, nrow
character(len=20) :: name='d_diag_prec_apply'
real(psb_dpk_), pointer :: ww(:)
class(psb_d_base_vect_type), allocatable :: dw
call psb_erractionsave(err_act)
!
! This is the base version and we should throw an error.
! Or should it be the DIAG preonditioner???
!
info = psb_success_
nrow = desc_data%get_local_rows()
if (x%get_nrows() < nrow) then
info = 36
call psb_errpush(info,name,i_err=(/2,nrow,0,0,0/))
goto 9999
end if
if (y%get_nrows() < nrow) then
info = 36
call psb_errpush(info,name,i_err=(/3,nrow,0,0,0/))
goto 9999
end if
if (.not.allocated(prec%d)) then
info = 1124
call psb_errpush(info,name,a_err="preconditioner: D")
goto 9999
end if
if (size(prec%d) < nrow) then
info = 1124
call psb_errpush(info,name,a_err="preconditioner: D")
goto 9999
end if
if (size(work) >= x%get_nrows()) then
ww => work
else
allocate(ww(x%get_nrows()),stat=info)
if (info /= psb_success_) then
call psb_errpush(psb_err_alloc_request_,name,&
& i_err=(/x%get_nrows(),0,0,0,0/),a_err='real(psb_dpk_)')
goto 9999
end if
end if
!!$ allocate(dw, mold=x, stat=info)
!!$ call dw%bld(x%get_nrows())
!!$ if (.true.) then
!!$ if (info == 0) call dw%mlt(prec%dv,x,info)
!!$ else
!!$ if (info == 0) call dw%axpby(nrow,done,x,dzero,info)
!!$ if (info == 0) call dw%mlt(prec%dv,info)
!!$ end if
!!$ if (info == 0) call y%axpby(nrow,alpha,dw,beta,info)
call y%mlt(alpha,prec%dv,x,beta,info)
!!$ call x%mlt(ww,prec%d(1:nrow),info)
!!$ if (info == 0) call psb_geaxpby(alpha,ww,beta,y,desc_data,info)
!!$ call dw%free(info)
!!$ if (info /= psb_success_) then
!!$ call psb_errpush(psb_err_from_subroutine_,name,a_err='Deallocate')
!!$ goto 9999
!!$ end if
if (size(work) < x%get_nrows()) then
deallocate(ww,stat=info)
if (info /= psb_success_) then
call psb_errpush(psb_err_from_subroutine_,name,a_err='Deallocate')
goto 9999
end if
end if
call psb_erractionrestore(err_act)
return
9999 continue
call psb_erractionrestore(err_act)
if (err_act == psb_act_abort_) then
call psb_error()
return
end if
return
end subroutine psb_d_diag_apply_vect end subroutine psb_d_diag_apply_vect
end interface psb_d_diag_apply_vect
interface psb_d_diag_apply
subroutine psb_d_diag_apply(alpha,prec,x,beta,y,desc_data,info,trans,work) subroutine psb_d_diag_apply(alpha,prec,x,beta,y,desc_data,info,trans,work)
use psb_base_mod import :: psb_desc_type, psb_d_diag_prec_type, psb_d_vect_type, psb_dpk_
type(psb_desc_type),intent(in) :: desc_data type(psb_desc_type),intent(in) :: desc_data
class(psb_d_diag_prec_type), intent(in) :: prec class(psb_d_diag_prec_type), intent(in) :: prec
real(psb_dpk_),intent(inout) :: x(:) real(psb_dpk_),intent(inout) :: x(:)
@ -138,78 +51,29 @@ contains
integer, intent(out) :: info integer, intent(out) :: info
character(len=1), optional :: trans character(len=1), optional :: trans
real(psb_dpk_),intent(inout), optional, target :: work(:) real(psb_dpk_),intent(inout), optional, target :: work(:)
Integer :: err_act, nrow end subroutine psb_d_diag_apply
character(len=20) :: name='d_diag_prec_apply' end interface psb_d_diag_apply
real(psb_dpk_), pointer :: ww(:)
call psb_erractionsave(err_act)
!
! This is the base version and we should throw an error.
! Or should it be the DIAG preonditioner???
!
info = psb_success_
nrow = desc_data%get_local_rows()
if (size(x) < nrow) then
info = 36
call psb_errpush(info,name,i_err=(/2,nrow,0,0,0/))
goto 9999
end if
if (size(y) < nrow) then
info = 36
call psb_errpush(info,name,i_err=(/3,nrow,0,0,0/))
goto 9999
end if
if (.not.allocated(prec%d)) then
info = 1124
call psb_errpush(info,name,a_err="preconditioner: D")
goto 9999
end if
if (size(prec%d) < nrow) then
info = 1124
call psb_errpush(info,name,a_err="preconditioner: D")
goto 9999
end if
if (size(work) >= size(x)) then
ww => work
else
allocate(ww(size(x)),stat=info)
if (info /= psb_success_) then
call psb_errpush(psb_err_alloc_request_,name,&
& i_err=(/size(x),0,0,0,0/),a_err='real(psb_dpk_)')
goto 9999
end if
end if
ww(1:nrow) = x(1:nrow)*prec%d(1:nrow)
call psb_geaxpby(alpha,ww,beta,y,desc_data,info)
if (size(work) < size(x)) then interface psb_d_diag_precbld
deallocate(ww,stat=info) subroutine psb_d_diag_precbld(a,desc_a,prec,info,upd,amold,afmt,vmold)
if (info /= psb_success_) then import :: psb_desc_type, psb_d_diag_prec_type, psb_d_vect_type, psb_dpk_, &
call psb_errpush(psb_err_from_subroutine_,name,a_err='Deallocate') & psb_dspmat_type, psb_d_base_sparse_mat, psb_d_base_vect_type
goto 9999 type(psb_dspmat_type), intent(in), target :: a
end if type(psb_desc_type), intent(in), target :: desc_a
end if class(psb_d_diag_prec_type),intent(inout) :: prec
integer, intent(out) :: info
character, intent(in), optional :: upd
character(len=*), intent(in), optional :: afmt
class(psb_d_base_sparse_mat), intent(in), optional :: amold
class(psb_d_base_vect_type), intent(in), optional :: vmold
end subroutine psb_d_diag_precbld
end interface psb_d_diag_precbld
call psb_erractionrestore(err_act)
return
9999 continue contains
call psb_erractionrestore(err_act)
if (err_act == psb_act_abort_) then
call psb_error()
return
end if
return
end subroutine psb_d_diag_apply
subroutine psb_d_diag_precinit(prec,info) subroutine psb_d_diag_precinit(prec,info)
use psb_base_mod
Implicit None Implicit None
class(psb_d_diag_prec_type),intent(inout) :: prec class(psb_d_diag_prec_type),intent(inout) :: prec
@ -235,83 +99,7 @@ contains
end subroutine psb_d_diag_precinit end subroutine psb_d_diag_precinit
subroutine psb_d_diag_precbld(a,desc_a,prec,info,upd,amold,afmt,vmold)
use psb_base_mod
Implicit None
type(psb_dspmat_type), intent(in), target :: a
type(psb_desc_type), intent(in), target :: desc_a
class(psb_d_diag_prec_type),intent(inout) :: prec
integer, intent(out) :: info
character, intent(in), optional :: upd
character(len=*), intent(in), optional :: afmt
class(psb_d_base_sparse_mat), intent(in), optional :: amold
class(psb_d_base_vect_type), intent(in), optional :: vmold
Integer :: err_act, nrow,i
character(len=20) :: name='d_diag_precbld'
call psb_erractionsave(err_act)
info = psb_success_
nrow = desc_a%get_local_cols()
if (allocated(prec%d)) then
if (size(prec%d) < nrow) then
deallocate(prec%d,stat=info)
end if
end if
if ((info == psb_success_).and.(.not.allocated(prec%d))) then
allocate(prec%d(nrow), stat=info)
end if
if (info /= psb_success_) then
info = psb_err_alloc_dealloc_
call psb_errpush(info,name)
goto 9999
end if
call a%get_diag(prec%d,info)
if (info /= psb_success_) then
info = psb_err_from_subroutine_
call psb_errpush(info,name, a_err='get_diag')
goto 9999
end if
do i=1,nrow
if (prec%d(i) == dzero) then
prec%d(i) = done
else
prec%d(i) = done/prec%d(i)
endif
end do
allocate(prec%dv,stat=info)
if (info == 0) then
if (present(vmold)) then
allocate(prec%dv%v,mold=vmold,stat=info)
else
allocate(psb_d_base_vect_type :: prec%dv%v,stat=info)
end if
end if
if (info == 0) then
call prec%dv%bld(prec%d)
else
write(0,*) 'Error on precbld ',info
end if
call psb_erractionrestore(err_act)
return
9999 continue
call psb_erractionrestore(err_act)
if (err_act == psb_act_abort_) then
call psb_error()
return
end if
return
end subroutine psb_d_diag_precbld
subroutine psb_d_diag_precseti(prec,what,val,info) subroutine psb_d_diag_precseti(prec,what,val,info)
use psb_base_mod
Implicit None Implicit None
class(psb_d_diag_prec_type),intent(inout) :: prec class(psb_d_diag_prec_type),intent(inout) :: prec
@ -339,7 +127,6 @@ contains
subroutine psb_d_diag_precsetr(prec,what,val,info) subroutine psb_d_diag_precsetr(prec,what,val,info)
use psb_base_mod
Implicit None Implicit None
class(psb_d_diag_prec_type),intent(inout) :: prec class(psb_d_diag_prec_type),intent(inout) :: prec
@ -366,8 +153,6 @@ contains
end subroutine psb_d_diag_precsetr end subroutine psb_d_diag_precsetr
subroutine psb_d_diag_precsetc(prec,what,val,info) subroutine psb_d_diag_precsetc(prec,what,val,info)
use psb_base_mod
Implicit None Implicit None
class(psb_d_diag_prec_type),intent(inout) :: prec class(psb_d_diag_prec_type),intent(inout) :: prec
@ -395,7 +180,6 @@ contains
subroutine psb_d_diag_precfree(prec,info) subroutine psb_d_diag_precfree(prec,info)
use psb_base_mod
Implicit None Implicit None
class(psb_d_diag_prec_type), intent(inout) :: prec class(psb_d_diag_prec_type), intent(inout) :: prec
@ -408,6 +192,8 @@ contains
info = psb_success_ info = psb_success_
if (allocated(prec%dv)) call prec%dv%free(info)
call psb_erractionrestore(err_act) call psb_erractionrestore(err_act)
return return
@ -423,8 +209,6 @@ contains
subroutine psb_d_diag_precdescr(prec,iout) subroutine psb_d_diag_precdescr(prec,iout)
use psb_base_mod
Implicit None Implicit None
class(psb_d_diag_prec_type), intent(in) :: prec class(psb_d_diag_prec_type), intent(in) :: prec
@ -465,17 +249,14 @@ contains
end subroutine psb_d_diag_precdescr end subroutine psb_d_diag_precdescr
function psb_d_diag_sizeof(prec) result(val) function psb_d_diag_sizeof(prec) result(val)
use psb_base_mod, only: psb_long_int_k_
class(psb_d_diag_prec_type), intent(in) :: prec class(psb_d_diag_prec_type), intent(in) :: prec
integer(psb_long_int_k_) :: val integer(psb_long_int_k_) :: val
val = 0 val = psb_sizeof_dp * prec%get_nzeros()
val = val + psb_sizeof_dp * size(prec%d)
return return
end function psb_d_diag_sizeof end function psb_d_diag_sizeof
function psb_d_diag_get_nzeros(prec) result(val) function psb_d_diag_get_nzeros(prec) result(val)
use psb_base_mod, only: psb_long_int_k_
class(psb_d_diag_prec_type), intent(in) :: prec class(psb_d_diag_prec_type), intent(in) :: prec
integer(psb_long_int_k_) :: val integer(psb_long_int_k_) :: val
@ -484,4 +265,5 @@ contains
return return
end function psb_d_diag_get_nzeros end function psb_d_diag_get_nzeros
end module psb_d_diagprec end module psb_d_diagprec

@ -4,8 +4,8 @@ module psb_d_nullprec
type, extends(psb_d_base_prec_type) :: psb_d_null_prec_type type, extends(psb_d_base_prec_type) :: psb_d_null_prec_type
contains contains
procedure, pass(prec) :: d_apply_v => psb_d_null_apply_vect procedure, pass(prec) :: c_apply_v => psb_d_null_apply_vect
procedure, pass(prec) :: d_apply => psb_d_null_apply procedure, pass(prec) :: c_apply => psb_d_null_apply
procedure, pass(prec) :: precbld => psb_d_null_precbld procedure, pass(prec) :: precbld => psb_d_null_precbld
procedure, pass(prec) :: precinit => psb_d_null_precinit procedure, pass(prec) :: precinit => psb_d_null_precinit
procedure, pass(prec) :: precseti => psb_d_null_precseti procedure, pass(prec) :: precseti => psb_d_null_precseti
@ -16,16 +16,14 @@ module psb_d_nullprec
procedure, pass(prec) :: sizeof => psb_d_null_sizeof procedure, pass(prec) :: sizeof => psb_d_null_sizeof
end type psb_d_null_prec_type end type psb_d_null_prec_type
private :: psb_d_null_apply, psb_d_null_precbld, psb_d_null_precseti,& private :: psb_d_null_precbld, psb_d_null_precseti,&
& psb_d_null_precsetr, psb_d_null_precsetc, psb_d_null_sizeof,& & psb_d_null_precsetr, psb_d_null_precsetc, psb_d_null_sizeof,&
& psb_d_null_precinit, psb_d_null_precfree, psb_d_null_precdescr, & & psb_d_null_precinit, psb_d_null_precfree, psb_d_null_precdescr
& psb_d_null_apply_vect
contains
interface psb_d_null_apply_vect
subroutine psb_d_null_apply_vect(alpha,prec,x,beta,y,desc_data,info,trans,work) subroutine psb_d_null_apply_vect(alpha,prec,x,beta,y,desc_data,info,trans,work)
use psb_base_mod import :: psb_desc_type, psb_d_null_prec_type, psb_d_vect_type, psb_dpk_
type(psb_desc_type),intent(in) :: desc_data type(psb_desc_type),intent(in) :: desc_data
class(psb_d_null_prec_type), intent(inout) :: prec class(psb_d_null_prec_type), intent(inout) :: prec
type(psb_d_vect_type),intent(inout) :: x type(psb_d_vect_type),intent(inout) :: x
@ -34,51 +32,13 @@ contains
integer, intent(out) :: info integer, intent(out) :: info
character(len=1), optional :: trans character(len=1), optional :: trans
real(psb_dpk_),intent(inout), optional, target :: work(:) real(psb_dpk_),intent(inout), optional, target :: work(:)
Integer :: err_act, nrow
character(len=20) :: name='d_null_prec_apply'
call psb_erractionsave(err_act)
!
! This is the base version and we should throw an error.
! Or should it be the NULL preonditioner???
!
info = psb_success_
nrow = desc_data%get_local_rows()
if (x%get_nrows() < nrow) then
info = 36
call psb_errpush(info,name,i_err=(/2,nrow,0,0,0/))
goto 9999
end if
if (y%get_nrows() < nrow) then
info = 36
call psb_errpush(info,name,i_err=(/3,nrow,0,0,0/))
goto 9999
end if
call psb_geaxpby(alpha,x,beta,y,desc_data,info)
if (info /= psb_success_ ) then
info = psb_err_from_subroutine_
call psb_errpush(infoi,name,a_err="psb_geaxpby")
goto 9999
end if
call psb_erractionrestore(err_act)
return
9999 continue
call psb_erractionrestore(err_act)
if (err_act == psb_act_abort_) then
call psb_error()
return
end if
return
end subroutine psb_d_null_apply_vect end subroutine psb_d_null_apply_vect
end interface psb_d_null_apply_vect
interface psb_d_null_apply
subroutine psb_d_null_apply(alpha,prec,x,beta,y,desc_data,info,trans,work) subroutine psb_d_null_apply(alpha,prec,x,beta,y,desc_data,info,trans,work)
use psb_base_mod import :: psb_desc_type, psb_d_null_prec_type, psb_dpk_
type(psb_desc_type),intent(in) :: desc_data type(psb_desc_type),intent(in) :: desc_data
class(psb_d_null_prec_type), intent(in) :: prec class(psb_d_null_prec_type), intent(in) :: prec
real(psb_dpk_),intent(inout) :: x(:) real(psb_dpk_),intent(inout) :: x(:)
@ -87,53 +47,15 @@ contains
integer, intent(out) :: info integer, intent(out) :: info
character(len=1), optional :: trans character(len=1), optional :: trans
real(psb_dpk_),intent(inout), optional, target :: work(:) real(psb_dpk_),intent(inout), optional, target :: work(:)
Integer :: err_act, nrow end subroutine psb_d_null_apply
character(len=20) :: name='d_null_prec_apply' end interface psb_d_null_apply
call psb_erractionsave(err_act)
!
! This is the base version and we should throw an error.
! Or should it be the NULL preonditioner???
!
info = psb_success_
nrow = desc_data%get_local_rows()
if (size(x) < nrow) then
info = 36
call psb_errpush(info,name,i_err=(/2,nrow,0,0,0/))
goto 9999
end if
if (size(y) < nrow) then
info = 36
call psb_errpush(info,name,i_err=(/3,nrow,0,0,0/))
goto 9999
end if
call psb_geaxpby(alpha,x,beta,y,desc_data,info)
if (info /= psb_success_ ) then
info = psb_err_from_subroutine_
call psb_errpush(infoi,name,a_err="psb_geaxpby")
goto 9999
end if
call psb_erractionrestore(err_act)
return
9999 continue
call psb_erractionrestore(err_act)
if (err_act == psb_act_abort_) then
call psb_error()
return
end if
return
end subroutine psb_d_null_apply contains
subroutine psb_d_null_precinit(prec,info) subroutine psb_d_null_precinit(prec,info)
use psb_base_mod
Implicit None Implicit None
class(psb_d_null_prec_type),intent(inout) :: prec class(psb_d_null_prec_type),intent(inout) :: prec
@ -160,7 +82,6 @@ contains
subroutine psb_d_null_precbld(a,desc_a,prec,info,upd,amold,afmt,vmold) subroutine psb_d_null_precbld(a,desc_a,prec,info,upd,amold,afmt,vmold)
use psb_base_mod
Implicit None Implicit None
type(psb_dspmat_type), intent(in), target :: a type(psb_dspmat_type), intent(in), target :: a
@ -193,7 +114,6 @@ contains
subroutine psb_d_null_precseti(prec,what,val,info) subroutine psb_d_null_precseti(prec,what,val,info)
use psb_base_mod
Implicit None Implicit None
class(psb_d_null_prec_type),intent(inout) :: prec class(psb_d_null_prec_type),intent(inout) :: prec
@ -221,7 +141,6 @@ contains
subroutine psb_d_null_precsetr(prec,what,val,info) subroutine psb_d_null_precsetr(prec,what,val,info)
use psb_base_mod
Implicit None Implicit None
class(psb_d_null_prec_type),intent(inout) :: prec class(psb_d_null_prec_type),intent(inout) :: prec
@ -249,7 +168,6 @@ contains
subroutine psb_d_null_precsetc(prec,what,val,info) subroutine psb_d_null_precsetc(prec,what,val,info)
use psb_base_mod
Implicit None Implicit None
class(psb_d_null_prec_type),intent(inout) :: prec class(psb_d_null_prec_type),intent(inout) :: prec
@ -277,7 +195,6 @@ contains
subroutine psb_d_null_precfree(prec,info) subroutine psb_d_null_precfree(prec,info)
use psb_base_mod
Implicit None Implicit None
class(psb_d_null_prec_type), intent(inout) :: prec class(psb_d_null_prec_type), intent(inout) :: prec
@ -306,7 +223,6 @@ contains
subroutine psb_d_null_precdescr(prec,iout) subroutine psb_d_null_precdescr(prec,iout)
use psb_base_mod
Implicit None Implicit None
class(psb_d_null_prec_type), intent(in) :: prec class(psb_d_null_prec_type), intent(in) :: prec
@ -342,7 +258,7 @@ contains
end subroutine psb_d_null_precdescr end subroutine psb_d_null_precdescr
function psb_d_null_sizeof(prec) result(val) function psb_d_null_sizeof(prec) result(val)
use psb_base_mod
class(psb_d_null_prec_type), intent(in) :: prec class(psb_d_null_prec_type), intent(in) :: prec
integer(psb_long_int_k_) :: val integer(psb_long_int_k_) :: val

@ -38,7 +38,7 @@ module psb_s_base_prec_mod
! Reduces size of .mod file. ! Reduces size of .mod file.
use psb_base_mod, only : psb_spk_, psb_long_int_k_,& use psb_base_mod, only : psb_spk_, psb_long_int_k_,&
& psb_desc_type, psb_sizeof, psb_free, psb_cdfree, psb_errpush, psb_act_abort_,& & psb_desc_type, psb_sizeof, psb_free, psb_cdfree, psb_errpush, psb_act_abort_,&
& psb_erractionsave, psb_erractionrestore, psb_error, psb_get_errstatus,& & psb_erractionsave, psb_erractionrestore, psb_error, psb_get_errstatus, psb_success_,&
& psb_s_base_sparse_mat, psb_sspmat_type, psb_s_csr_sparse_mat,& & psb_s_base_sparse_mat, psb_sspmat_type, psb_s_csr_sparse_mat,&
& psb_s_base_vect_type, psb_s_vect_type & psb_s_base_vect_type, psb_s_vect_type

@ -22,21 +22,26 @@ module psb_s_bjacprec
procedure, pass(prec) :: get_nzeros => psb_s_bjac_get_nzeros procedure, pass(prec) :: get_nzeros => psb_s_bjac_get_nzeros
end type psb_s_bjac_prec_type end type psb_s_bjac_prec_type
private :: psb_s_bjac_apply, psb_s_bjac_precbld, psb_s_bjac_precseti,& private :: psb_s_bjac_sizeof, psb_s_bjac_precdescr, psb_s_bjac_get_nzeros
& psb_s_bjac_precsetr, psb_s_bjac_precsetc, psb_s_bjac_sizeof,&
& psb_s_bjac_precinit, psb_s_bjac_precfree, psb_s_bjac_precdescr,&
& psb_s_bjac_dump, psb_s_bjac_apply_vect, psb_s_bjac_get_nzeros
character(len=15), parameter, private :: & character(len=15), parameter, private :: &
& fact_names(0:2)=(/'None ','ILU(n) ',& & fact_names(0:2)=(/'None ','ILU(n) ',&
& 'ILU(eps) '/) & 'ILU(eps) '/)
contains
interface psb_s_bjac_dump
subroutine psb_s_bjac_dump(prec,info,prefix,head)
import :: psb_desc_type, psb_s_bjac_prec_type, psb_s_vect_type, psb_spk_
class(psb_s_bjac_prec_type), intent(in) :: prec
integer, intent(out) :: info
character(len=*), intent(in), optional :: prefix,head
end subroutine psb_s_bjac_dump
end interface psb_s_bjac_dump
interface psb_s_bjac_apply_vect
subroutine psb_s_bjac_apply_vect(alpha,prec,x,beta,y,desc_data,info,trans,work) subroutine psb_s_bjac_apply_vect(alpha,prec,x,beta,y,desc_data,info,trans,work)
use psb_base_mod import :: psb_desc_type, psb_s_bjac_prec_type, psb_s_vect_type, psb_spk_
type(psb_desc_type),intent(in) :: desc_data type(psb_desc_type),intent(in) :: desc_data
class(psb_s_bjac_prec_type), intent(inout) :: prec class(psb_s_bjac_prec_type), intent(inout) :: prec
real(psb_spk_),intent(in) :: alpha,beta real(psb_spk_),intent(in) :: alpha,beta
@ -45,148 +50,13 @@ contains
integer, intent(out) :: info integer, intent(out) :: info
character(len=1), optional :: trans character(len=1), optional :: trans
real(psb_spk_),intent(inout), optional, target :: work(:) real(psb_spk_),intent(inout), optional, target :: work(:)
! Local variables
integer :: n_row,n_col
real(psb_spk_), pointer :: ww(:), aux(:)
type(psb_s_vect_type) :: wv
integer :: ictxt,np,me, err_act, int_err(5)
integer :: debug_level, debug_unit
character :: trans_
character(len=20) :: name='d_bjac_prec_apply'
character(len=20) :: ch_err
info = psb_success_
call psb_erractionsave(err_act)
debug_unit = psb_get_debug_unit()
debug_level = psb_get_debug_level()
ictxt = desc_data%get_context()
call psb_info(ictxt, me, np)
trans_ = psb_toupper(trans)
select case(trans_)
case('N','T','C')
! Ok
case default
call psb_errpush(psb_err_iarg_invalid_i_,name)
goto 9999
end select
n_row = desc_data%get_local_rows()
n_col = desc_data%get_local_cols()
if (x%get_nrows() < n_row) then
info = 36
call psb_errpush(info,name,i_err=(/2,n_row,0,0,0/))
goto 9999
end if
if (y%get_nrows() < n_row) then
info = 36
call psb_errpush(info,name,i_err=(/3,n_row,0,0,0/))
goto 9999
end if
if (.not.allocated(prec%d)) then
info = 1124
call psb_errpush(info,name,a_err="preconditioner: D")
goto 9999
end if
if (size(prec%d) < n_row) then
info = 1124
call psb_errpush(info,name,a_err="preconditioner: D")
goto 9999
end if
if (n_col <= size(work)) then
ww => work(1:n_col)
if ((4*n_col+n_col) <= size(work)) then
aux => work(n_col+1:)
else
allocate(aux(4*n_col),stat=info)
endif
else
allocate(ww(n_col),aux(4*n_col),stat=info)
endif
if (info == psb_success_) allocate(wv%v,mold=x%v)
if (info /= psb_success_) then
call psb_errpush(psb_err_from_subroutine_,name,a_err='Allocate')
goto 9999
end if
call wv%bld(n_col,mold=x%v)
select case(prec%iprcparm(psb_f_type_))
case(psb_f_ilu_n_)
select case(trans_)
case('N')
call psb_spsm(sone,prec%av(psb_l_pr_),x,szero,wv,desc_data,info,&
& trans=trans_,scale='L',diag=prec%dv,choice=psb_none_,work=aux)
if(info == psb_success_) call psb_spsm(alpha,prec%av(psb_u_pr_),wv,&
& beta,y,desc_data,info,&
& trans=trans_,scale='U',choice=psb_none_, work=aux)
case('T')
call psb_spsm(sone,prec%av(psb_u_pr_),x,szero,wv,desc_data,info,&
& trans=trans_,scale='L',diag=prec%dv,choice=psb_none_, work=aux)
if(info == psb_success_) call psb_spsm(alpha,prec%av(psb_l_pr_),wv,&
& beta,y,desc_data,info,&
& trans=trans_,scale='U',choice=psb_none_,work=aux)
case('C')
call psb_spsm(sone,prec%av(psb_u_pr_),x,szero,wv,desc_data,info,&
& trans=trans_,scale='L',diag=prec%dv,choice=psb_none_, work=aux)
if(info == psb_success_) call psb_spsm(alpha,prec%av(psb_l_pr_),wv,&
& beta,y,desc_data,info,&
& trans=trans_,scale='U',choice=psb_none_,work=aux)
end select
if (info /= psb_success_) then
ch_err="psb_spsm"
goto 9999
end if
case default
info = psb_err_internal_error_
call psb_errpush(info,name,a_err='Invalid factorization')
goto 9999
end select
call psb_halo(y,desc_data,info,data=psb_comm_mov_)
call wv%free(info)
if (n_col <= size(work)) then
if ((4*n_col+n_col) <= size(work)) then
else
deallocate(aux)
endif
else
deallocate(ww,aux)
endif
call psb_erractionrestore(err_act)
return
9999 continue
call psb_errpush(info,name,i_err=int_err,a_err=ch_err)
call psb_erractionrestore(err_act)
if (err_act == psb_act_abort_) then
call psb_error()
return
end if
return
end subroutine psb_s_bjac_apply_vect end subroutine psb_s_bjac_apply_vect
end interface psb_s_bjac_apply_vect
interface psb_s_bjac_apply
subroutine psb_s_bjac_apply(alpha,prec,x,beta,y,desc_data,info,trans,work) subroutine psb_s_bjac_apply(alpha,prec,x,beta,y,desc_data,info,trans,work)
use psb_base_mod import :: psb_desc_type, psb_s_bjac_prec_type, psb_s_vect_type, psb_spk_
type(psb_desc_type),intent(in) :: desc_data type(psb_desc_type),intent(in) :: desc_data
class(psb_s_bjac_prec_type), intent(in) :: prec class(psb_s_bjac_prec_type), intent(in) :: prec
real(psb_spk_),intent(in) :: alpha,beta real(psb_spk_),intent(in) :: alpha,beta
@ -195,190 +65,21 @@ contains
integer, intent(out) :: info integer, intent(out) :: info
character(len=1), optional :: trans character(len=1), optional :: trans
real(psb_spk_),intent(inout), optional, target :: work(:) real(psb_spk_),intent(inout), optional, target :: work(:)
! Local variables
integer :: n_row,n_col
real(psb_spk_), pointer :: ww(:), aux(:)
integer :: ictxt,np,me, err_act, int_err(5)
integer :: debug_level, debug_unit
character :: trans_
character(len=20) :: name='s_bjac_prec_apply'
character(len=20) :: ch_err
info = psb_success_
call psb_erractionsave(err_act)
debug_unit = psb_get_debug_unit()
debug_level = psb_get_debug_level()
ictxt = desc_data%get_context()
call psb_info(ictxt, me, np)
trans_ = psb_toupper(trans)
select case(trans_)
case('N','T','C')
! Ok
case default
call psb_errpush(psb_err_iarg_invalid_i_,name)
goto 9999
end select
n_row = desc_data%get_local_rows()
n_col = desc_data%get_local_cols()
if (size(x) < n_row) then
info = 36
call psb_errpush(info,name,i_err=(/2,n_row,0,0,0/))
goto 9999
end if
if (size(y) < n_row) then
info = 36
call psb_errpush(info,name,i_err=(/3,n_row,0,0,0/))
goto 9999
end if
!!$ if (.not.allocated(prec%d)) then
!!$ info = 1124
!!$ call psb_errpush(info,name,a_err="preconditioner: D")
!!$ goto 9999
!!$ end if
!!$ if (size(prec%d) < n_row) then
!!$ info = 1124
!!$ call psb_errpush(info,name,a_err="preconditioner: D")
!!$ goto 9999
!!$ end if
if (n_col <= size(work)) then
ww => work(1:n_col)
if ((4*n_col+n_col) <= size(work)) then
aux => work(n_col+1:)
else
allocate(aux(4*n_col),stat=info)
if (info /= psb_success_) then
call psb_errpush(psb_err_from_subroutine_,name,a_err='Allocate')
goto 9999
end if
endif
else
allocate(ww(n_col),aux(4*n_col),stat=info)
if (info /= psb_success_) then
call psb_errpush(psb_err_from_subroutine_,name,a_err='Allocate')
goto 9999
end if
endif
select case(prec%iprcparm(psb_f_type_))
case(psb_f_ilu_n_)
select case(trans_)
case('N')
call psb_spsm(sone,prec%av(psb_l_pr_),x,szero,ww,desc_data,info,&
& trans=trans_,scale='L',diag=prec%dv%v%v,choice=psb_none_,work=aux)
if(info == psb_success_) call psb_spsm(alpha,prec%av(psb_u_pr_),ww,&
& beta,y,desc_data,info,&
& trans=trans_,scale='U',choice=psb_none_, work=aux)
case('T')
call psb_spsm(sone,prec%av(psb_u_pr_),x,szero,ww,desc_data,info,&
& trans=trans_,scale='L',diag=prec%dv%v%v,choice=psb_none_, work=aux)
if(info == psb_success_) call psb_spsm(alpha,prec%av(psb_l_pr_),ww,&
& beta,y,desc_data,info,&
& trans=trans_,scale='U',choice=psb_none_,work=aux)
case('C')
call psb_spsm(sone,prec%av(psb_u_pr_),x,szero,ww,desc_data,info,&
& trans=trans_,scale='L',diag=prec%dv%v%v,choice=psb_none_, work=aux)
if(info == psb_success_) call psb_spsm(alpha,prec%av(psb_l_pr_),ww,&
& beta,y,desc_data,info,&
& trans=trans_,scale='U',choice=psb_none_,work=aux)
end select
if (info /= psb_success_) then
ch_err="psb_spsm"
goto 9999
end if
case default
info = psb_err_internal_error_
call psb_errpush(info,name,a_err='Invalid factorization')
goto 9999
end select
call psb_halo(y,desc_data,info,data=psb_comm_mov_)
if (n_col <= size(work)) then
if ((4*n_col+n_col) <= size(work)) then
else
deallocate(aux)
endif
else
deallocate(ww,aux)
endif
call psb_erractionrestore(err_act)
return
9999 continue
call psb_errpush(info,name,i_err=int_err,a_err=ch_err)
call psb_erractionrestore(err_act)
if (err_act == psb_act_abort_) then
call psb_error()
return
end if
return
end subroutine psb_s_bjac_apply end subroutine psb_s_bjac_apply
end interface psb_s_bjac_apply
interface psb_s_bjac_precinit
subroutine psb_s_bjac_precinit(prec,info) subroutine psb_s_bjac_precinit(prec,info)
import :: psb_desc_type, psb_s_bjac_prec_type, psb_s_vect_type, psb_spk_
use psb_base_mod
Implicit None
class(psb_s_bjac_prec_type),intent(inout) :: prec class(psb_s_bjac_prec_type),intent(inout) :: prec
integer, intent(out) :: info integer, intent(out) :: info
Integer :: err_act, nrow
character(len=20) :: name='s_null_precinit'
call psb_erractionsave(err_act)
info = psb_success_
call psb_realloc(psb_ifpsz,prec%iprcparm,info)
if (info /= psb_success_) then
info = psb_err_alloc_dealloc_
call psb_Errpush(info,name)
goto 9999
end if
prec%iprcparm(:) = 0
prec%iprcparm(psb_p_type_) = psb_bjac_
prec%iprcparm(psb_f_type_) = psb_f_ilu_n_
prec%iprcparm(psb_ilu_fill_in_) = 0
call psb_erractionrestore(err_act)
return
9999 continue
call psb_erractionrestore(err_act)
if (err_act == psb_act_abort_) then
call psb_error()
return
end if
return
end subroutine psb_s_bjac_precinit end subroutine psb_s_bjac_precinit
end interface psb_s_bjac_precinit
interface psb_s_bjac_precbld
subroutine psb_s_bjac_precbld(a,desc_a,prec,info,upd,amold,afmt,vmold) subroutine psb_s_bjac_precbld(a,desc_a,prec,info,upd,amold,afmt,vmold)
import :: psb_desc_type, psb_s_bjac_prec_type, psb_s_vect_type, psb_spk_, &
use psb_base_mod & psb_sspmat_type, psb_s_base_sparse_mat, psb_s_base_vect_type
use psb_prec_mod, only : psb_ilu_fct
Implicit None
type(psb_sspmat_type), intent(in), target :: a type(psb_sspmat_type), intent(in), target :: a
type(psb_desc_type), intent(in), target :: desc_a type(psb_desc_type), intent(in), target :: desc_a
class(psb_s_bjac_prec_type),intent(inout) :: prec class(psb_s_bjac_prec_type),intent(inout) :: prec
@ -387,133 +88,78 @@ contains
character(len=*), intent(in), optional :: afmt character(len=*), intent(in), optional :: afmt
class(psb_s_base_sparse_mat), intent(in), optional :: amold class(psb_s_base_sparse_mat), intent(in), optional :: amold
class(psb_s_base_vect_type), intent(in), optional :: vmold class(psb_s_base_vect_type), intent(in), optional :: vmold
end subroutine psb_s_bjac_precbld
end interface psb_s_bjac_precbld
! .. Local Scalars .. interface psb_s_bjac_precseti
integer :: i, m subroutine psb_s_bjac_precseti(prec,what,val,info)
integer :: int_err(5) import :: psb_desc_type, psb_s_bjac_prec_type, psb_s_vect_type, psb_spk_
character :: trans, unitd class(psb_s_bjac_prec_type),intent(inout) :: prec
type(psb_s_csr_sparse_mat), allocatable :: lf, uf integer, intent(in) :: what
real(psb_spk_), allocatable :: dd(:) integer, intent(in) :: val
integer nztota, err_act, n_row, nrow_a,n_col, nhalo integer, intent(out) :: info
integer :: ictxt,np,me end subroutine psb_s_bjac_precseti
character(len=20) :: name='s_bjac_precbld' end interface psb_s_bjac_precseti
character(len=20) :: ch_err
!!$ interface psb_s_bjac_precsetr
!!$ subroutine psb_s_bjac_precsetr(prec,what,val,info)
if(psb_get_errstatus() /= 0) return !!$ import :: psb_desc_type, psb_s_bjac_prec_type, psb_s_vect_type, psb_spk_
info = psb_success_ !!$ class(psb_s_bjac_prec_type),intent(inout) :: prec
!!$ integer, intent(in) :: what
call psb_erractionsave(err_act) !!$ real(psb_spk_), intent(in) :: val
!!$ integer, intent(out) :: info
ictxt=desc_a%get_context() !!$ end subroutine psb_s_bjac_precsetr
call psb_info(ictxt, me, np) !!$ end interface psb_s_bjac_precsetr
!!$
call prec%set_ctxt(ictxt) !!$ interface psb_s_bjac_precsetc
!!$ subroutine psb_s_bjac_precsetc(prec,what,val,info)
m = a%get_nrows() !!$ import :: psb_desc_type, psb_s_bjac_prec_type, psb_s_vect_type, psb_spk_
if (m < 0) then !!$ class(psb_s_bjac_prec_type),intent(inout) :: prec
info = psb_err_iarg_neg_ !!$ integer, intent(in) :: what
int_err(1) = 1 !!$ character(len=*), intent(in) :: val
int_err(2) = m !!$ integer, intent(out) :: info
call psb_errpush(info,name,i_err=int_err) !!$ end subroutine psb_s_bjac_precsetc
goto 9999 !!$ end interface psb_s_bjac_precsetc
endif !!$
trans = 'N' !!$ interface psb_s_bjac_precfree
unitd = 'U' !!$ subroutine psb_s_bjac_precfree(prec,info)
!!$ import :: psb_desc_type, psb_s_bjac_prec_type, psb_s_vect_type, psb_spk_
!!$ class(psb_s_bjac_prec_type), intent(inout) :: prec
!!$ integer, intent(out) :: info
!!$ end subroutine psb_s_bjac_precfree
!!$ end interface psb_s_bjac_precfree
select case(prec%iprcparm(psb_f_type_)) contains
case(psb_f_ilu_n_) subroutine psb_s_bjac_precdescr(prec,iout)
if (allocated(prec%av)) then Implicit None
if (size(prec%av) < psb_bp_ilu_avsz) then
do i=1,size(prec%av)
call prec%av(i)%free()
enddo
deallocate(prec%av,stat=info)
endif
end if
if (.not.allocated(prec%av)) then
allocate(prec%av(psb_max_avsz),stat=info)
if (info /= psb_success_) then
call psb_errpush(psb_err_alloc_dealloc_,name)
goto 9999
end if
endif
nrow_a = desc_a%get_local_rows() class(psb_s_bjac_prec_type), intent(in) :: prec
nztota = a%get_nzeros() integer, intent(in), optional :: iout
n_col = desc_a%get_local_cols() Integer :: err_act, nrow, info
nhalo = n_col-nrow_a character(len=20) :: name='s_bjac_precdescr'
n_row = nrow_a integer :: iout_
allocate(lf,uf,stat=info) call psb_erractionsave(err_act)
if (info == psb_success_) call lf%allocate(n_row,n_row,nztota)
if (info == psb_success_) call uf%allocate(n_row,n_row,nztota)
if(info /= psb_success_) then info = psb_success_
info=psb_err_from_subroutine_
ch_err='psb_sp_all'
call psb_errpush(info,name,a_err=ch_err)
goto 9999
end if
allocate(dd(n_row),stat=info) if (present(iout)) then
if (info == psb_success_) then iout_ = iout
allocate(prec%dv, stat=info)
if (info == 0) then
if (present(vmold)) then
allocate(prec%dv%v,mold=vmold,stat=info)
else else
allocate(psb_s_base_vect_type :: prec%dv%v,stat=info) iout_ = 6
end if
end if
end if end if
if (info /= psb_success_) then if (.not.allocated(prec%iprcparm)) then
call psb_errpush(psb_err_from_subroutine_,name,a_err='Allocate') info = 1124
goto 9999 call psb_errpush(info,name,a_err="preconditioner")
endif
! This is where we have no renumbering, thus no need
call psb_ilu_fct(a,lf,uf,dd,info)
if(info == psb_success_) then
call prec%av(psb_l_pr_)%mv_from(lf)
call prec%av(psb_u_pr_)%mv_from(uf)
call prec%av(psb_l_pr_)%set_asb()
call prec%av(psb_u_pr_)%set_asb()
call prec%av(psb_l_pr_)%trim()
call prec%av(psb_u_pr_)%trim()
call prec%dv%bld(dd)
call move_alloc(dd,prec%d)
else
info=psb_err_from_subroutine_
ch_err='psb_ilu_fct'
call psb_errpush(info,name,a_err=ch_err)
goto 9999 goto 9999
end if end if
case(psb_f_none_) write(iout_,*) 'Block Jacobi with: ',&
info=psb_err_from_subroutine_ & fact_names(prec%iprcparm(psb_f_type_))
ch_err='Inconsistent prec psb_f_none_'
call psb_errpush(info,name,a_err=ch_err)
goto 9999
case default
info=psb_err_from_subroutine_
ch_err='Unknown psb_f_type_'
call psb_errpush(info,name,a_err=ch_err)
goto 9999
end select
if (present(amold)) then
call prec%av(psb_l_pr_)%cscnv(info,mold=amold)
call prec%av(psb_u_pr_)%cscnv(info,mold=amold)
else if (present(afmt)) then
call prec%av(psb_l_pr_)%cscnv(info,type=afmt)
call prec%av(psb_u_pr_)%cscnv(info,type=afmt)
end if
call psb_erractionrestore(err_act) call psb_erractionrestore(err_act)
return return
@ -526,69 +172,43 @@ contains
end if end if
return return
end subroutine psb_s_bjac_precbld end subroutine psb_s_bjac_precdescr
subroutine psb_s_bjac_precseti(prec,what,val,info)
use psb_base_mod
Implicit None
class(psb_s_bjac_prec_type),intent(inout) :: prec
integer, intent(in) :: what
integer, intent(in) :: val
integer, intent(out) :: info
Integer :: err_act, nrow
character(len=20) :: name='s_bjac_precset'
call psb_erractionsave(err_act) function psb_s_bjac_sizeof(prec) result(val)
class(psb_s_bjac_prec_type), intent(in) :: prec
integer(psb_long_int_k_) :: val
info = psb_success_ val = 0
if (.not.allocated(prec%iprcparm)) then if (allocated(prec%dv)) then
info = 1124 val = val + psb_sizeof_sp * prec%dv%get_nrows()
call psb_errpush(info,name,a_err="preconditioner")
goto 9999
endif endif
if (allocated(prec%av)) then
select case(what) val = val + prec%av(psb_l_pr_)%sizeof()
case (psb_f_type_) val = val + prec%av(psb_u_pr_)%sizeof()
if (prec%iprcparm(psb_p_type_) /= psb_bjac_) then
write(psb_err_unit,*) 'WHAT is invalid for current preconditioner ',&
& prec%iprcparm(psb_p_type_),&
& 'ignoring user specification'
return
endif endif
prec%iprcparm(psb_f_type_) = val
case (psb_ilu_fill_in_)
if ((prec%iprcparm(psb_p_type_) /= psb_bjac_).or.&
& (prec%iprcparm(psb_f_type_) /= psb_f_ilu_n_)) then
write(psb_err_unit,*) 'WHAT is invalid for current preconditioner ',&
& prec%iprcparm(psb_p_type_),&
& 'ignoring user specification'
return return
endif end function psb_s_bjac_sizeof
prec%iprcparm(psb_ilu_fill_in_) = val
case default
write(psb_err_unit,*) 'WHAT is invalid, ignoring user specification'
end select function psb_s_bjac_get_nzeros(prec) result(val)
call psb_erractionrestore(err_act) class(psb_s_bjac_prec_type), intent(in) :: prec
return integer(psb_long_int_k_) :: val
9999 continue val = 0
call psb_erractionrestore(err_act) if (allocated(prec%dv)) then
if (err_act == psb_act_abort_) then val = val + prec%dv%get_nrows()
call psb_error() endif
return if (allocated(prec%av)) then
val = val + prec%av(psb_l_pr_)%get_nzeros()
val = val + prec%av(psb_u_pr_)%get_nzeros()
endif endif
return return
end subroutine psb_s_bjac_precseti end function psb_s_bjac_get_nzeros
subroutine psb_s_bjac_precsetr(prec,what,val,info) subroutine psb_s_bjac_precsetr(prec,what,val,info)
use psb_base_mod
Implicit None Implicit None
class(psb_s_bjac_prec_type),intent(inout) :: prec class(psb_s_bjac_prec_type),intent(inout) :: prec
@ -616,7 +236,6 @@ contains
subroutine psb_s_bjac_precsetc(prec,what,val,info) subroutine psb_s_bjac_precsetc(prec,what,val,info)
use psb_base_mod
Implicit None Implicit None
class(psb_s_bjac_prec_type),intent(inout) :: prec class(psb_s_bjac_prec_type),intent(inout) :: prec
@ -644,7 +263,6 @@ contains
subroutine psb_s_bjac_precfree(prec,info) subroutine psb_s_bjac_precfree(prec,info)
use psb_base_mod
Implicit None Implicit None
class(psb_s_bjac_prec_type), intent(inout) :: prec class(psb_s_bjac_prec_type), intent(inout) :: prec
@ -682,125 +300,4 @@ contains
end subroutine psb_s_bjac_precfree end subroutine psb_s_bjac_precfree
subroutine psb_s_bjac_precdescr(prec,iout)
use psb_base_mod
Implicit None
class(psb_s_bjac_prec_type), intent(in) :: prec
integer, intent(in), optional :: iout
Integer :: err_act, nrow, info
character(len=20) :: name='s_bjac_precdescr'
integer :: iout_
call psb_erractionsave(err_act)
info = psb_success_
if (present(iout)) then
iout_ = iout
else
iout_ = 6
end if
if (.not.allocated(prec%iprcparm)) then
info = 1124
call psb_errpush(info,name,a_err="preconditioner")
goto 9999
end if
write(iout_,*) 'Block Jacobi with: ',&
& fact_names(prec%iprcparm(psb_f_type_))
call psb_erractionsave(err_act)
info = psb_success_
call psb_erractionrestore(err_act)
return
9999 continue
call psb_erractionrestore(err_act)
if (err_act == psb_act_abort_) then
call psb_error()
return
end if
return
end subroutine psb_s_bjac_precdescr
subroutine psb_s_bjac_dump(prec,info,prefix,head)
use psb_base_mod
implicit none
class(psb_s_bjac_prec_type), intent(in) :: prec
integer, intent(out) :: info
character(len=*), intent(in), optional :: prefix,head
integer :: i, j, il1, iln, lname, lev
integer :: ictxt,iam, np
character(len=80) :: prefix_
character(len=120) :: fname ! len should be at least 20 more than
! len of prefix_
info = 0
ictxt = prec%get_ctxt()
call psb_info(ictxt,iam,np)
if (present(prefix)) then
prefix_ = trim(prefix(1:min(len(prefix),len(prefix_))))
else
prefix_ = "dump_fact_d"
end if
lname = len_trim(prefix_)
fname = trim(prefix_)
write(fname(lname+1:lname+5),'(a,i3.3)') '_p',iam
lname = lname + 5
write(fname(lname+1:),'(a)')'_lower.mtx'
if (prec%av(psb_l_pr_)%is_asb()) &
& call prec%av(psb_l_pr_)%print(fname,head=head)
write(fname(lname+1:),'(a,a)')'_diag.mtx'
if (allocated(prec%d)) &
& call psb_geprt(fname,prec%d,head=head)
write(fname(lname+1:),'(a)')'_upper.mtx'
if (prec%av(psb_u_pr_)%is_asb()) &
& call prec%av(psb_u_pr_)%print(fname,head=head)
end subroutine psb_s_bjac_dump
function psb_s_bjac_sizeof(prec) result(val)
use psb_base_mod, only : psb_long_int_k_
class(psb_s_bjac_prec_type), intent(in) :: prec
integer(psb_long_int_k_) :: val
val = 0
if (allocated(prec%d)) then
val = val + psb_sizeof_sp * size(prec%d)
endif
if (allocated(prec%av)) then
val = val + psb_sizeof(prec%av(psb_l_pr_))
val = val + psb_sizeof(prec%av(psb_u_pr_))
endif
return
end function psb_s_bjac_sizeof
function psb_s_bjac_get_nzeros(prec) result(val)
use psb_base_mod, only : psb_long_int_k_
class(psb_s_bjac_prec_type), intent(in) :: prec
integer(psb_long_int_k_) :: val
val = 0
if (allocated(prec%dv)) then
val = val + prec%dv%get_nrows()
endif
if (allocated(prec%av)) then
val = val + prec%av(psb_l_pr_)%get_nzeros()
val = val + prec%av(psb_u_pr_)%get_nzeros()
endif
return
end function psb_s_bjac_get_nzeros
end module psb_s_bjacprec end module psb_s_bjacprec

@ -19,17 +19,16 @@ module psb_s_diagprec
procedure, pass(prec) :: get_nzeros => psb_s_diag_get_nzeros procedure, pass(prec) :: get_nzeros => psb_s_diag_get_nzeros
end type psb_s_diag_prec_type end type psb_s_diag_prec_type
private :: psb_s_diag_apply, psb_s_diag_precbld, psb_s_diag_precseti,& private :: psb_s_diag_precseti,&
& psb_s_diag_precsetr, psb_s_diag_precsetc, psb_s_diag_sizeof,& & psb_s_diag_precsetr, psb_s_diag_precsetc, psb_s_diag_sizeof,&
& psb_s_diag_precinit, psb_s_diag_precfree, psb_s_diag_precdescr,& & psb_s_diag_precinit, psb_s_diag_precfree, psb_s_diag_precdescr,&
& psb_s_diag_apply_vect, psb_s_diag_get_nzeros & psb_s_diag_get_nzeros
contains
interface psb_s_diag_apply_vect
subroutine psb_s_diag_apply_vect(alpha,prec,x,beta,y,desc_data,info,trans,work) subroutine psb_s_diag_apply_vect(alpha,prec,x,beta,y,desc_data,info,trans,work)
use psb_base_mod import :: psb_desc_type, psb_s_diag_prec_type, psb_s_vect_type, psb_spk_
type(psb_desc_type),intent(in) :: desc_data type(psb_desc_type),intent(in) :: desc_data
class(psb_s_diag_prec_type), intent(inout) :: prec class(psb_s_diag_prec_type), intent(inout) :: prec
type(psb_s_vect_type),intent(inout) :: x type(psb_s_vect_type),intent(inout) :: x
@ -38,97 +37,12 @@ contains
integer, intent(out) :: info integer, intent(out) :: info
character(len=1), optional :: trans character(len=1), optional :: trans
real(psb_spk_),intent(inout), optional, target :: work(:) real(psb_spk_),intent(inout), optional, target :: work(:)
Integer :: err_act, nrow
character(len=20) :: name='d_diag_prec_apply'
real(psb_spk_), pointer :: ww(:)
class(psb_s_base_vect_type), allocatable :: dw
call psb_erractionsave(err_act)
!
! This is the base version and we should throw an error.
! Or should it be the DIAG preonditioner???
!
info = psb_success_
nrow = desc_data%get_local_rows()
if (x%get_nrows() < nrow) then
info = 36
call psb_errpush(info,name,i_err=(/2,nrow,0,0,0/))
goto 9999
end if
if (y%get_nrows() < nrow) then
info = 36
call psb_errpush(info,name,i_err=(/3,nrow,0,0,0/))
goto 9999
end if
if (.not.allocated(prec%d)) then
info = 1124
call psb_errpush(info,name,a_err="preconditioner: D")
goto 9999
end if
if (size(prec%d) < nrow) then
info = 1124
call psb_errpush(info,name,a_err="preconditioner: D")
goto 9999
end if
if (size(work) >= x%get_nrows()) then
ww => work
else
allocate(ww(x%get_nrows()),stat=info)
if (info /= psb_success_) then
call psb_errpush(psb_err_alloc_request_,name,&
& i_err=(/x%get_nrows(),0,0,0,0/),a_err='real(psb_spk_)')
goto 9999
end if
end if
!!$ allocate(dw, mold=x, stat=info)
!!$ call dw%bld(x%get_nrows())
!!$ if (.true.) then
!!$ if (info == 0) call dw%mlt(prec%dv,x,info)
!!$ else
!!$ if (info == 0) call dw%axpby(nrow,done,x,dzero,info)
!!$ if (info == 0) call dw%mlt(prec%dv,info)
!!$ end if
!!$ if (info == 0) call y%axpby(nrow,alpha,dw,beta,info)
call y%mlt(alpha,prec%dv,x,beta,info)
!!$ call x%mlt(ww,prec%d(1:nrow),info)
!!$ if (info == 0) call psb_geaxpby(alpha,ww,beta,y,desc_data,info)
!!$ call dw%free(info)
!!$ if (info /= psb_success_) then
!!$ call psb_errpush(psb_err_from_subroutine_,name,a_err='Deallocate')
!!$ goto 9999
!!$ end if
if (size(work) < x%get_nrows()) then
deallocate(ww,stat=info)
if (info /= psb_success_) then
call psb_errpush(psb_err_from_subroutine_,name,a_err='Deallocate')
goto 9999
end if
end if
call psb_erractionrestore(err_act)
return
9999 continue
call psb_erractionrestore(err_act)
if (err_act == psb_act_abort_) then
call psb_error()
return
end if
return
end subroutine psb_s_diag_apply_vect end subroutine psb_s_diag_apply_vect
end interface psb_s_diag_apply_vect
interface psb_s_diag_apply
subroutine psb_s_diag_apply(alpha,prec,x,beta,y,desc_data,info,trans,work) subroutine psb_s_diag_apply(alpha,prec,x,beta,y,desc_data,info,trans,work)
use psb_base_mod import :: psb_desc_type, psb_s_diag_prec_type, psb_s_vect_type, psb_spk_
type(psb_desc_type),intent(in) :: desc_data type(psb_desc_type),intent(in) :: desc_data
class(psb_s_diag_prec_type), intent(in) :: prec class(psb_s_diag_prec_type), intent(in) :: prec
real(psb_spk_),intent(inout) :: x(:) real(psb_spk_),intent(inout) :: x(:)
@ -137,94 +51,29 @@ contains
integer, intent(out) :: info integer, intent(out) :: info
character(len=1), optional :: trans character(len=1), optional :: trans
real(psb_spk_),intent(inout), optional, target :: work(:) real(psb_spk_),intent(inout), optional, target :: work(:)
Integer :: err_act, nrow end subroutine psb_s_diag_apply
character :: trans_ end interface psb_s_diag_apply
character(len=20) :: name='s_diag_prec_apply'
real(psb_spk_), pointer :: ww(:)
call psb_erractionsave(err_act)
!
! This is the base version and we should throw an error.
! Or should it be the DIAG preonditioner???
!
info = psb_success_
nrow = desc_data%get_local_rows()
if (size(x) < nrow) then
info = 36
call psb_errpush(info,name,i_err=(/2,nrow,0,0,0/))
goto 9999
end if
if (size(y) < nrow) then
info = 36
call psb_errpush(info,name,i_err=(/3,nrow,0,0,0/))
goto 9999
end if
if (.not.allocated(prec%d)) then
info = 1124
call psb_errpush(info,name,a_err="preconditioner: D")
goto 9999
end if
if (size(prec%d) < nrow) then
info = 1124
call psb_errpush(info,name,a_err="preconditioner: D")
goto 9999
end if
if (present(trans)) then
trans_ = psb_toupper(trans)
else
trans_='N'
end if
select case(trans_)
case('N')
case('T','C')
case default
info=psb_err_iarg_invalid_i_
call psb_errpush(info,name,&
& i_err=(/6,0,0,0,0/),a_err=trans_)
goto 9999
end select
if (size(work) >= size(x)) then
ww => work
else
allocate(ww(size(x)),stat=info)
if (info /= psb_success_) then
call psb_errpush(psb_err_alloc_request_,name,&
& i_err=(/size(x),0,0,0,0/),a_err='real(psb_spk_)')
goto 9999
end if
end if
ww(1:nrow) = x(1:nrow)*prec%d(1:nrow)
call psb_geaxpby(alpha,ww,beta,y,desc_data,info)
if (size(work) < size(x)) then interface psb_s_diag_precbld
deallocate(ww,stat=info) subroutine psb_s_diag_precbld(a,desc_a,prec,info,upd,amold,afmt,vmold)
if (info /= psb_success_) then import :: psb_desc_type, psb_s_diag_prec_type, psb_s_vect_type, psb_spk_, &
call psb_errpush(psb_err_from_subroutine_,name,a_err='Deallocate') & psb_sspmat_type, psb_s_base_sparse_mat, psb_s_base_vect_type
goto 9999 type(psb_sspmat_type), intent(in), target :: a
end if type(psb_desc_type), intent(in), target :: desc_a
end if class(psb_s_diag_prec_type),intent(inout) :: prec
integer, intent(out) :: info
character, intent(in), optional :: upd
character(len=*), intent(in), optional :: afmt
class(psb_s_base_sparse_mat), intent(in), optional :: amold
class(psb_s_base_vect_type), intent(in), optional :: vmold
end subroutine psb_s_diag_precbld
end interface psb_s_diag_precbld
call psb_erractionrestore(err_act)
return
9999 continue contains
call psb_erractionrestore(err_act)
if (err_act == psb_act_abort_) then
call psb_error()
return
end if
return
end subroutine psb_s_diag_apply
subroutine psb_s_diag_precinit(prec,info) subroutine psb_s_diag_precinit(prec,info)
use psb_base_mod
Implicit None Implicit None
class(psb_s_diag_prec_type),intent(inout) :: prec class(psb_s_diag_prec_type),intent(inout) :: prec
@ -250,83 +99,7 @@ contains
end subroutine psb_s_diag_precinit end subroutine psb_s_diag_precinit
subroutine psb_s_diag_precbld(a,desc_a,prec,info,upd,amold,afmt,vmold)
use psb_base_mod
Implicit None
type(psb_sspmat_type), intent(in), target :: a
type(psb_desc_type), intent(in), target :: desc_a
class(psb_s_diag_prec_type),intent(inout) :: prec
integer, intent(out) :: info
character, intent(in), optional :: upd
character(len=*), intent(in), optional :: afmt
class(psb_s_base_sparse_mat), intent(in), optional :: amold
class(psb_s_base_vect_type), intent(in), optional :: vmold
Integer :: err_act, nrow,i
character(len=20) :: name='s_diag_precbld'
call psb_erractionsave(err_act)
info = psb_success_
nrow = desc_a%get_local_cols()
if (allocated(prec%d)) then
if (size(prec%d) < nrow) then
deallocate(prec%d,stat=info)
end if
end if
if ((info == psb_success_).and.(.not.allocated(prec%d))) then
allocate(prec%d(nrow), stat=info)
end if
if (info /= psb_success_) then
info = psb_err_alloc_dealloc_
call psb_errpush(info,name)
goto 9999
end if
call a%get_diag(prec%d,info)
if (info /= psb_success_) then
info = psb_err_from_subroutine_
call psb_errpush(info,name, a_err='get_diag')
goto 9999
end if
do i=1,nrow
if (prec%d(i) == dzero) then
prec%d(i) = done
else
prec%d(i) = done/prec%d(i)
endif
end do
allocate(prec%dv,stat=info)
if (info == 0) then
if (present(vmold)) then
allocate(prec%dv%v,mold=vmold,stat=info)
else
allocate(psb_s_base_vect_type :: prec%dv%v,stat=info)
end if
end if
if (info == 0) then
call prec%dv%bld(prec%d)
else
write(0,*) 'Error on precbld ',info
end if
call psb_erractionrestore(err_act)
return
9999 continue
call psb_erractionrestore(err_act)
if (err_act == psb_act_abort_) then
call psb_error()
return
end if
return
end subroutine psb_s_diag_precbld
subroutine psb_s_diag_precseti(prec,what,val,info) subroutine psb_s_diag_precseti(prec,what,val,info)
use psb_base_mod
Implicit None Implicit None
class(psb_s_diag_prec_type),intent(inout) :: prec class(psb_s_diag_prec_type),intent(inout) :: prec
@ -354,7 +127,6 @@ contains
subroutine psb_s_diag_precsetr(prec,what,val,info) subroutine psb_s_diag_precsetr(prec,what,val,info)
use psb_base_mod
Implicit None Implicit None
class(psb_s_diag_prec_type),intent(inout) :: prec class(psb_s_diag_prec_type),intent(inout) :: prec
@ -381,8 +153,6 @@ contains
end subroutine psb_s_diag_precsetr end subroutine psb_s_diag_precsetr
subroutine psb_s_diag_precsetc(prec,what,val,info) subroutine psb_s_diag_precsetc(prec,what,val,info)
use psb_base_mod
Implicit None Implicit None
class(psb_s_diag_prec_type),intent(inout) :: prec class(psb_s_diag_prec_type),intent(inout) :: prec
@ -410,7 +180,6 @@ contains
subroutine psb_s_diag_precfree(prec,info) subroutine psb_s_diag_precfree(prec,info)
use psb_base_mod
Implicit None Implicit None
class(psb_s_diag_prec_type), intent(inout) :: prec class(psb_s_diag_prec_type), intent(inout) :: prec
@ -440,8 +209,6 @@ contains
subroutine psb_s_diag_precdescr(prec,iout) subroutine psb_s_diag_precdescr(prec,iout)
use psb_base_mod
Implicit None Implicit None
class(psb_s_diag_prec_type), intent(in) :: prec class(psb_s_diag_prec_type), intent(in) :: prec
@ -482,17 +249,14 @@ contains
end subroutine psb_s_diag_precdescr end subroutine psb_s_diag_precdescr
function psb_s_diag_sizeof(prec) result(val) function psb_s_diag_sizeof(prec) result(val)
use psb_base_mod, only : psb_long_int_k_
class(psb_s_diag_prec_type), intent(in) :: prec class(psb_s_diag_prec_type), intent(in) :: prec
integer(psb_long_int_k_) :: val integer(psb_long_int_k_) :: val
val = 0 val = psb_sizeof_sp * prec%get_nzeros()
val = val + psb_sizeof_sp * size(prec%d)
return return
end function psb_s_diag_sizeof end function psb_s_diag_sizeof
function psb_s_diag_get_nzeros(prec) result(val) function psb_s_diag_get_nzeros(prec) result(val)
use psb_base_mod, only: psb_long_int_k_
class(psb_s_diag_prec_type), intent(in) :: prec class(psb_s_diag_prec_type), intent(in) :: prec
integer(psb_long_int_k_) :: val integer(psb_long_int_k_) :: val
@ -501,4 +265,5 @@ contains
return return
end function psb_s_diag_get_nzeros end function psb_s_diag_get_nzeros
end module psb_s_diagprec end module psb_s_diagprec

@ -4,8 +4,8 @@ module psb_s_nullprec
type, extends(psb_s_base_prec_type) :: psb_s_null_prec_type type, extends(psb_s_base_prec_type) :: psb_s_null_prec_type
contains contains
procedure, pass(prec) :: s_apply_v => psb_s_null_apply_vect procedure, pass(prec) :: c_apply_v => psb_s_null_apply_vect
procedure, pass(prec) :: s_apply => psb_s_null_apply procedure, pass(prec) :: c_apply => psb_s_null_apply
procedure, pass(prec) :: precbld => psb_s_null_precbld procedure, pass(prec) :: precbld => psb_s_null_precbld
procedure, pass(prec) :: precinit => psb_s_null_precinit procedure, pass(prec) :: precinit => psb_s_null_precinit
procedure, pass(prec) :: precseti => psb_s_null_precseti procedure, pass(prec) :: precseti => psb_s_null_precseti
@ -16,16 +16,14 @@ module psb_s_nullprec
procedure, pass(prec) :: sizeof => psb_s_null_sizeof procedure, pass(prec) :: sizeof => psb_s_null_sizeof
end type psb_s_null_prec_type end type psb_s_null_prec_type
private :: psb_s_null_apply, psb_s_null_precbld, psb_s_null_precseti,& private :: psb_s_null_precbld, psb_s_null_precseti,&
& psb_s_null_precsetr, psb_s_null_precsetc, psb_s_null_sizeof,& & psb_s_null_precsetr, psb_s_null_precsetc, psb_s_null_sizeof,&
& psb_s_null_precinit, psb_s_null_precfree, psb_s_null_precdescr, & & psb_s_null_precinit, psb_s_null_precfree, psb_s_null_precdescr
& psb_s_null_apply_vect
contains
interface psb_s_null_apply_vect
subroutine psb_s_null_apply_vect(alpha,prec,x,beta,y,desc_data,info,trans,work) subroutine psb_s_null_apply_vect(alpha,prec,x,beta,y,desc_data,info,trans,work)
use psb_base_mod import :: psb_desc_type, psb_s_null_prec_type, psb_s_vect_type, psb_spk_
type(psb_desc_type),intent(in) :: desc_data type(psb_desc_type),intent(in) :: desc_data
class(psb_s_null_prec_type), intent(inout) :: prec class(psb_s_null_prec_type), intent(inout) :: prec
type(psb_s_vect_type),intent(inout) :: x type(psb_s_vect_type),intent(inout) :: x
@ -34,51 +32,13 @@ contains
integer, intent(out) :: info integer, intent(out) :: info
character(len=1), optional :: trans character(len=1), optional :: trans
real(psb_spk_),intent(inout), optional, target :: work(:) real(psb_spk_),intent(inout), optional, target :: work(:)
Integer :: err_act, nrow
character(len=20) :: name='d_null_prec_apply'
call psb_erractionsave(err_act)
!
! This is the base version and we should throw an error.
! Or should it be the NULL preonditioner???
!
info = psb_success_
nrow = desc_data%get_local_rows()
if (x%get_nrows() < nrow) then
info = 36
call psb_errpush(info,name,i_err=(/2,nrow,0,0,0/))
goto 9999
end if
if (y%get_nrows() < nrow) then
info = 36
call psb_errpush(info,name,i_err=(/3,nrow,0,0,0/))
goto 9999
end if
call psb_geaxpby(alpha,x,beta,y,desc_data,info)
if (info /= psb_success_ ) then
info = psb_err_from_subroutine_
call psb_errpush(infoi,name,a_err="psb_geaxpby")
goto 9999
end if
call psb_erractionrestore(err_act)
return
9999 continue
call psb_erractionrestore(err_act)
if (err_act == psb_act_abort_) then
call psb_error()
return
end if
return
end subroutine psb_s_null_apply_vect end subroutine psb_s_null_apply_vect
end interface psb_s_null_apply_vect
interface psb_s_null_apply
subroutine psb_s_null_apply(alpha,prec,x,beta,y,desc_data,info,trans,work) subroutine psb_s_null_apply(alpha,prec,x,beta,y,desc_data,info,trans,work)
use psb_base_mod import :: psb_desc_type, psb_s_null_prec_type, psb_spk_
type(psb_desc_type),intent(in) :: desc_data type(psb_desc_type),intent(in) :: desc_data
class(psb_s_null_prec_type), intent(in) :: prec class(psb_s_null_prec_type), intent(in) :: prec
real(psb_spk_),intent(inout) :: x(:) real(psb_spk_),intent(inout) :: x(:)
@ -87,51 +47,15 @@ contains
integer, intent(out) :: info integer, intent(out) :: info
character(len=1), optional :: trans character(len=1), optional :: trans
real(psb_spk_),intent(inout), optional, target :: work(:) real(psb_spk_),intent(inout), optional, target :: work(:)
Integer :: err_act, nrow end subroutine psb_s_null_apply
character(len=20) :: name='s_null_prec_apply' end interface psb_s_null_apply
call psb_erractionsave(err_act)
!
!
info = psb_success_
nrow = desc_data%get_local_rows()
if (size(x) < nrow) then
info = 36
call psb_errpush(info,name,i_err=(/2,nrow,0,0,0/))
goto 9999
end if
if (size(y) < nrow) then
info = 36
call psb_errpush(info,name,i_err=(/3,nrow,0,0,0/))
goto 9999
end if
call psb_geaxpby(alpha,x,beta,y,desc_data,info)
if (info /= psb_success_ ) then
info = psb_err_from_subroutine_
call psb_errpush(infoi,name,a_err="psb_geaxpby")
goto 9999
end if
call psb_erractionrestore(err_act)
return
9999 continue
call psb_erractionrestore(err_act)
if (err_act == psb_act_abort_) then
call psb_error()
return
end if
return
end subroutine psb_s_null_apply contains
subroutine psb_s_null_precinit(prec,info) subroutine psb_s_null_precinit(prec,info)
use psb_base_mod
Implicit None Implicit None
class(psb_s_null_prec_type),intent(inout) :: prec class(psb_s_null_prec_type),intent(inout) :: prec
@ -158,7 +82,6 @@ contains
subroutine psb_s_null_precbld(a,desc_a,prec,info,upd,amold,afmt,vmold) subroutine psb_s_null_precbld(a,desc_a,prec,info,upd,amold,afmt,vmold)
use psb_base_mod
Implicit None Implicit None
type(psb_sspmat_type), intent(in), target :: a type(psb_sspmat_type), intent(in), target :: a
@ -191,7 +114,6 @@ contains
subroutine psb_s_null_precseti(prec,what,val,info) subroutine psb_s_null_precseti(prec,what,val,info)
use psb_base_mod
Implicit None Implicit None
class(psb_s_null_prec_type),intent(inout) :: prec class(psb_s_null_prec_type),intent(inout) :: prec
@ -219,7 +141,6 @@ contains
subroutine psb_s_null_precsetr(prec,what,val,info) subroutine psb_s_null_precsetr(prec,what,val,info)
use psb_base_mod
Implicit None Implicit None
class(psb_s_null_prec_type),intent(inout) :: prec class(psb_s_null_prec_type),intent(inout) :: prec
@ -247,7 +168,6 @@ contains
subroutine psb_s_null_precsetc(prec,what,val,info) subroutine psb_s_null_precsetc(prec,what,val,info)
use psb_base_mod
Implicit None Implicit None
class(psb_s_null_prec_type),intent(inout) :: prec class(psb_s_null_prec_type),intent(inout) :: prec
@ -275,7 +195,6 @@ contains
subroutine psb_s_null_precfree(prec,info) subroutine psb_s_null_precfree(prec,info)
use psb_base_mod
Implicit None Implicit None
class(psb_s_null_prec_type), intent(inout) :: prec class(psb_s_null_prec_type), intent(inout) :: prec
@ -304,7 +223,6 @@ contains
subroutine psb_s_null_precdescr(prec,iout) subroutine psb_s_null_precdescr(prec,iout)
use psb_base_mod
Implicit None Implicit None
class(psb_s_null_prec_type), intent(in) :: prec class(psb_s_null_prec_type), intent(in) :: prec
@ -340,7 +258,7 @@ contains
end subroutine psb_s_null_precdescr end subroutine psb_s_null_precdescr
function psb_s_null_sizeof(prec) result(val) function psb_s_null_sizeof(prec) result(val)
use psb_base_mod
class(psb_s_null_prec_type), intent(in) :: prec class(psb_s_null_prec_type), intent(in) :: prec
integer(psb_long_int_k_) :: val integer(psb_long_int_k_) :: val

@ -38,7 +38,7 @@ module psb_z_base_prec_mod
! Reduces size of .mod file. ! Reduces size of .mod file.
use psb_base_mod, only : psb_dpk_, psb_long_int_k_,& use psb_base_mod, only : psb_dpk_, psb_long_int_k_,&
& psb_desc_type, psb_sizeof, psb_free, psb_cdfree, psb_errpush, psb_act_abort_,& & psb_desc_type, psb_sizeof, psb_free, psb_cdfree, psb_errpush, psb_act_abort_,&
& psb_erractionsave, psb_erractionrestore, psb_error, psb_get_errstatus,& & psb_erractionsave, psb_erractionrestore, psb_error, psb_get_errstatus, psb_success_,&
& psb_z_base_sparse_mat, psb_zspmat_type, psb_z_csr_sparse_mat,& & psb_z_base_sparse_mat, psb_zspmat_type, psb_z_csr_sparse_mat,&
& psb_z_base_vect_type, psb_z_vect_type & psb_z_base_vect_type, psb_z_vect_type

@ -22,20 +22,26 @@ module psb_z_bjacprec
procedure, pass(prec) :: get_nzeros => psb_z_bjac_get_nzeros procedure, pass(prec) :: get_nzeros => psb_z_bjac_get_nzeros
end type psb_z_bjac_prec_type end type psb_z_bjac_prec_type
private :: psb_z_bjac_apply, psb_z_bjac_precbld, psb_z_bjac_precseti,& private :: psb_z_bjac_sizeof, psb_z_bjac_precdescr, psb_z_bjac_get_nzeros
& psb_z_bjac_precsetr, psb_z_bjac_precsetc, psb_z_bjac_sizeof,&
& psb_z_bjac_precinit, psb_z_bjac_precfree, psb_z_bjac_precdescr,&
& psb_z_bjac_dump, psb_z_bjac_apply_vect, psb_z_bjac_get_nzeros
character(len=15), parameter, private :: & character(len=15), parameter, private :: &
& fact_names(0:2)=(/'None ','ILU(n) ',& & fact_names(0:2)=(/'None ','ILU(n) ',&
& 'ILU(eps) '/) & 'ILU(eps) '/)
contains
interface psb_z_bjac_dump
subroutine psb_z_bjac_dump(prec,info,prefix,head)
import :: psb_desc_type, psb_z_bjac_prec_type, psb_z_vect_type, psb_dpk_
class(psb_z_bjac_prec_type), intent(in) :: prec
integer, intent(out) :: info
character(len=*), intent(in), optional :: prefix,head
end subroutine psb_z_bjac_dump
end interface psb_z_bjac_dump
interface psb_z_bjac_apply_vect
subroutine psb_z_bjac_apply_vect(alpha,prec,x,beta,y,desc_data,info,trans,work) subroutine psb_z_bjac_apply_vect(alpha,prec,x,beta,y,desc_data,info,trans,work)
use psb_base_mod import :: psb_desc_type, psb_z_bjac_prec_type, psb_z_vect_type, psb_dpk_
type(psb_desc_type),intent(in) :: desc_data type(psb_desc_type),intent(in) :: desc_data
class(psb_z_bjac_prec_type), intent(inout) :: prec class(psb_z_bjac_prec_type), intent(inout) :: prec
complex(psb_dpk_),intent(in) :: alpha,beta complex(psb_dpk_),intent(in) :: alpha,beta
@ -44,148 +50,13 @@ contains
integer, intent(out) :: info integer, intent(out) :: info
character(len=1), optional :: trans character(len=1), optional :: trans
complex(psb_dpk_),intent(inout), optional, target :: work(:) complex(psb_dpk_),intent(inout), optional, target :: work(:)
! Local variables
integer :: n_row,n_col
complex(psb_dpk_), pointer :: ww(:), aux(:)
type(psb_z_vect_type) :: wv
integer :: ictxt,np,me, err_act, int_err(5)
integer :: debug_level, debug_unit
character :: trans_
character(len=20) :: name='d_bjac_prec_apply'
character(len=20) :: ch_err
info = psb_success_
call psb_erractionsave(err_act)
debug_unit = psb_get_debug_unit()
debug_level = psb_get_debug_level()
ictxt = desc_data%get_context()
call psb_info(ictxt, me, np)
trans_ = psb_toupper(trans)
select case(trans_)
case('N','T','C')
! Ok
case default
call psb_errpush(psb_err_iarg_invalid_i_,name)
goto 9999
end select
n_row = desc_data%get_local_rows()
n_col = desc_data%get_local_cols()
if (x%get_nrows() < n_row) then
info = 36
call psb_errpush(info,name,i_err=(/2,n_row,0,0,0/))
goto 9999
end if
if (y%get_nrows() < n_row) then
info = 36
call psb_errpush(info,name,i_err=(/3,n_row,0,0,0/))
goto 9999
end if
if (.not.allocated(prec%d)) then
info = 1124
call psb_errpush(info,name,a_err="preconditioner: D")
goto 9999
end if
if (size(prec%d) < n_row) then
info = 1124
call psb_errpush(info,name,a_err="preconditioner: D")
goto 9999
end if
if (n_col <= size(work)) then
ww => work(1:n_col)
if ((4*n_col+n_col) <= size(work)) then
aux => work(n_col+1:)
else
allocate(aux(4*n_col),stat=info)
endif
else
allocate(ww(n_col),aux(4*n_col),stat=info)
endif
if (info == psb_success_) allocate(wv%v,mold=x%v)
if (info /= psb_success_) then
call psb_errpush(psb_err_from_subroutine_,name,a_err='Allocate')
goto 9999
end if
call wv%bld(n_col,mold=x%v)
select case(prec%iprcparm(psb_f_type_))
case(psb_f_ilu_n_)
select case(trans_)
case('N')
call psb_spsm(zone,prec%av(psb_l_pr_),x,zzero,wv,desc_data,info,&
& trans=trans_,scale='L',diag=prec%dv,choice=psb_none_,work=aux)
if(info == psb_success_) call psb_spsm(alpha,prec%av(psb_u_pr_),wv,&
& beta,y,desc_data,info,&
& trans=trans_,scale='U',choice=psb_none_, work=aux)
case('T')
call psb_spsm(zone,prec%av(psb_u_pr_),x,zzero,wv,desc_data,info,&
& trans=trans_,scale='L',diag=prec%dv,choice=psb_none_, work=aux)
if(info == psb_success_) call psb_spsm(alpha,prec%av(psb_l_pr_),wv,&
& beta,y,desc_data,info,&
& trans=trans_,scale='U',choice=psb_none_,work=aux)
case('C')
write(0,*) 'WARNING: Conjguate case not fixed yet'
call psb_spsm(zone,prec%av(psb_u_pr_),x,zzero,wv,desc_data,info,&
& trans=trans_,scale='L',diag=prec%dv,choice=psb_none_, work=aux)
if(info == psb_success_) call psb_spsm(alpha,prec%av(psb_l_pr_),wv,&
& beta,y,desc_data,info,&
& trans=trans_,scale='U',choice=psb_none_,work=aux)
end select
if (info /= psb_success_) then
ch_err="psb_spsm"
goto 9999
end if
case default
info = psb_err_internal_error_
call psb_errpush(info,name,a_err='Invalid factorization')
goto 9999
end select
call psb_halo(y,desc_data,info,data=psb_comm_mov_)
call wv%free(info)
if (n_col <= size(work)) then
if ((4*n_col+n_col) <= size(work)) then
else
deallocate(aux)
endif
else
deallocate(ww,aux)
endif
call psb_erractionrestore(err_act)
return
9999 continue
call psb_errpush(info,name,i_err=int_err,a_err=ch_err)
call psb_erractionrestore(err_act)
if (err_act == psb_act_abort_) then
call psb_error()
return
end if
return
end subroutine psb_z_bjac_apply_vect end subroutine psb_z_bjac_apply_vect
end interface psb_z_bjac_apply_vect
interface psb_z_bjac_apply
subroutine psb_z_bjac_apply(alpha,prec,x,beta,y,desc_data,info,trans,work) subroutine psb_z_bjac_apply(alpha,prec,x,beta,y,desc_data,info,trans,work)
use psb_base_mod import :: psb_desc_type, psb_z_bjac_prec_type, psb_z_vect_type, psb_dpk_
type(psb_desc_type),intent(in) :: desc_data type(psb_desc_type),intent(in) :: desc_data
class(psb_z_bjac_prec_type), intent(in) :: prec class(psb_z_bjac_prec_type), intent(in) :: prec
complex(psb_dpk_),intent(in) :: alpha,beta complex(psb_dpk_),intent(in) :: alpha,beta
@ -194,183 +65,21 @@ contains
integer, intent(out) :: info integer, intent(out) :: info
character(len=1), optional :: trans character(len=1), optional :: trans
complex(psb_dpk_),intent(inout), optional, target :: work(:) complex(psb_dpk_),intent(inout), optional, target :: work(:)
! Local variables
integer :: n_row,n_col
complex(psb_dpk_), pointer :: ww(:), aux(:)
integer :: ictxt,np,me, err_act, int_err(5)
integer :: debug_level, debug_unit
character :: trans_
character(len=20) :: name='c_bjac_prec_apply'
character(len=20) :: ch_err
info = psb_success_
call psb_erractionsave(err_act)
debug_unit = psb_get_debug_unit()
debug_level = psb_get_debug_level()
ictxt = desc_data%get_context()
call psb_info(ictxt, me, np)
trans_ = psb_toupper(trans)
select case(trans_)
case('N','T','C')
! Ok
case default
call psb_errpush(psb_err_iarg_invalid_i_,name)
goto 9999
end select
n_row = desc_data%get_local_rows()
n_col = desc_data%get_local_cols()
if (size(x) < n_row) then
info = 36
call psb_errpush(info,name,i_err=(/2,n_row,0,0,0/))
goto 9999
end if
if (size(y) < n_row) then
info = 36
call psb_errpush(info,name,i_err=(/3,n_row,0,0,0/))
goto 9999
end if
if (n_col <= size(work)) then
ww => work(1:n_col)
if ((4*n_col+n_col) <= size(work)) then
aux => work(n_col+1:)
else
allocate(aux(4*n_col),stat=info)
if (info /= psb_success_) then
call psb_errpush(psb_err_from_subroutine_,name,a_err='Allocate')
goto 9999
end if
endif
else
allocate(ww(n_col),aux(4*n_col),stat=info)
if (info /= psb_success_) then
call psb_errpush(psb_err_from_subroutine_,name,a_err='Allocate')
goto 9999
end if
endif
select case(prec%iprcparm(psb_f_type_))
case(psb_f_ilu_n_)
select case(trans_)
case('N')
call psb_spsm(zone,prec%av(psb_l_pr_),x,zzero,ww,desc_data,info,&
& trans=trans_,scale='L',diag=prec%dv%v%v,choice=psb_none_,work=aux)
if(info == psb_success_) call psb_spsm(alpha,prec%av(psb_u_pr_),ww,&
& beta,y,desc_data,info,&
& trans=trans_,scale='U',choice=psb_none_, work=aux)
case('T')
call psb_spsm(zone,prec%av(psb_u_pr_),x,zzero,ww,desc_data,info,&
& trans=trans_,scale='L',diag=prec%dv%v%v,choice=psb_none_, work=aux)
if(info == psb_success_) call psb_spsm(alpha,prec%av(psb_l_pr_),ww,&
& beta,y,desc_data,info,&
& trans=trans_,scale='U',choice=psb_none_,work=aux)
case('C')
!!$ call psb_spsm(zone,prec%av(psb_u_pr_),x,zzero,ww,desc_data,info,&
!!$ & trans=trans_,scale='L',diag=conjg(prec%dv%v%v),choice=psb_none_, work=aux)
call psb_spsm(zone,prec%av(psb_u_pr_),x,zzero,ww,desc_data,info,&
& trans=trans_,scale='L',choice=psb_none_, work=aux)
ww(1:n_row) = ww(1:n_row)*conjg(prec%dv%v%v(1:n_row))
if(info == psb_success_) call psb_spsm(alpha,prec%av(psb_l_pr_),ww,&
& beta,y,desc_data,info,&
& trans=trans_,scale='U',choice=psb_none_,work=aux)
end select
if (info /= psb_success_) then
ch_err="psb_spsm"
goto 9999
end if
case default
info = psb_err_internal_error_
call psb_errpush(info,name,a_err='Invalid factorization')
goto 9999
end select
call psb_halo(y,desc_data,info,data=psb_comm_mov_)
if (n_col <= size(work)) then
if ((4*n_col+n_col) <= size(work)) then
else
deallocate(aux)
endif
else
deallocate(ww,aux)
endif
call psb_erractionrestore(err_act)
return
9999 continue
call psb_errpush(info,name,i_err=int_err,a_err=ch_err)
call psb_erractionrestore(err_act)
if (err_act == psb_act_abort_) then
call psb_error()
return
end if
return
end subroutine psb_z_bjac_apply end subroutine psb_z_bjac_apply
end interface psb_z_bjac_apply
interface psb_z_bjac_precinit
subroutine psb_z_bjac_precinit(prec,info) subroutine psb_z_bjac_precinit(prec,info)
import :: psb_desc_type, psb_z_bjac_prec_type, psb_z_vect_type, psb_dpk_
use psb_base_mod
Implicit None
class(psb_z_bjac_prec_type),intent(inout) :: prec class(psb_z_bjac_prec_type),intent(inout) :: prec
integer, intent(out) :: info integer, intent(out) :: info
Integer :: err_act, nrow
character(len=20) :: name='z_bjac_precinit'
call psb_erractionsave(err_act)
info = psb_success_
call psb_realloc(psb_ifpsz,prec%iprcparm,info)
if (info /= psb_success_) then
info = psb_err_alloc_dealloc_
call psb_Errpush(info,name)
goto 9999
end if
prec%iprcparm(:) = 0
prec%iprcparm(psb_p_type_) = psb_bjac_
prec%iprcparm(psb_f_type_) = psb_f_ilu_n_
prec%iprcparm(psb_ilu_fill_in_) = 0
call psb_erractionrestore(err_act)
return
9999 continue
call psb_erractionrestore(err_act)
if (err_act == psb_act_abort_) then
call psb_error()
return
end if
return
end subroutine psb_z_bjac_precinit end subroutine psb_z_bjac_precinit
end interface psb_z_bjac_precinit
interface psb_z_bjac_precbld
subroutine psb_z_bjac_precbld(a,desc_a,prec,info,upd,amold,afmt,vmold) subroutine psb_z_bjac_precbld(a,desc_a,prec,info,upd,amold,afmt,vmold)
import :: psb_desc_type, psb_z_bjac_prec_type, psb_z_vect_type, psb_dpk_, &
use psb_base_mod & psb_zspmat_type, psb_z_base_sparse_mat, psb_z_base_vect_type
use psb_prec_mod, only : psb_ilu_fct
Implicit None
type(psb_zspmat_type), intent(in), target :: a type(psb_zspmat_type), intent(in), target :: a
type(psb_desc_type), intent(in), target :: desc_a type(psb_desc_type), intent(in), target :: desc_a
class(psb_z_bjac_prec_type),intent(inout) :: prec class(psb_z_bjac_prec_type),intent(inout) :: prec
@ -379,133 +88,78 @@ contains
character(len=*), intent(in), optional :: afmt character(len=*), intent(in), optional :: afmt
class(psb_z_base_sparse_mat), intent(in), optional :: amold class(psb_z_base_sparse_mat), intent(in), optional :: amold
class(psb_z_base_vect_type), intent(in), optional :: vmold class(psb_z_base_vect_type), intent(in), optional :: vmold
end subroutine psb_z_bjac_precbld
end interface psb_z_bjac_precbld
! .. Local Scalars .. interface psb_z_bjac_precseti
integer :: i, m subroutine psb_z_bjac_precseti(prec,what,val,info)
integer :: int_err(5) import :: psb_desc_type, psb_z_bjac_prec_type, psb_z_vect_type, psb_dpk_
character :: trans, unitd class(psb_z_bjac_prec_type),intent(inout) :: prec
type(psb_z_csr_sparse_mat), allocatable :: lf, uf integer, intent(in) :: what
complex(psb_dpk_), allocatable :: dd(:) integer, intent(in) :: val
integer nztota, err_act, n_row, nrow_a,n_col, nhalo integer, intent(out) :: info
integer :: ictxt,np,me end subroutine psb_z_bjac_precseti
character(len=20) :: name='z_bjac_precbld' end interface psb_z_bjac_precseti
character(len=20) :: ch_err
!!$ interface psb_z_bjac_precsetr
!!$ subroutine psb_z_bjac_precsetr(prec,what,val,info)
if(psb_get_errstatus() /= 0) return !!$ import :: psb_desc_type, psb_z_bjac_prec_type, psb_z_vect_type, psb_dpk_
info = psb_success_ !!$ class(psb_z_bjac_prec_type),intent(inout) :: prec
!!$ integer, intent(in) :: what
call psb_erractionsave(err_act) !!$ real(psb_dpk_), intent(in) :: val
!!$ integer, intent(out) :: info
ictxt=desc_a%get_context() !!$ end subroutine psb_z_bjac_precsetr
call psb_info(ictxt, me, np) !!$ end interface psb_z_bjac_precsetr
!!$
call prec%set_ctxt(ictxt) !!$ interface psb_z_bjac_precsetc
!!$ subroutine psb_z_bjac_precsetc(prec,what,val,info)
m = a%get_nrows() !!$ import :: psb_desc_type, psb_z_bjac_prec_type, psb_z_vect_type, psb_dpk_
if (m < 0) then !!$ class(psb_z_bjac_prec_type),intent(inout) :: prec
info = psb_err_iarg_neg_ !!$ integer, intent(in) :: what
int_err(1) = 1 !!$ character(len=*), intent(in) :: val
int_err(2) = m !!$ integer, intent(out) :: info
call psb_errpush(info,name,i_err=int_err) !!$ end subroutine psb_z_bjac_precsetc
goto 9999 !!$ end interface psb_z_bjac_precsetc
endif !!$
trans = 'N' !!$ interface psb_z_bjac_precfree
unitd = 'U' !!$ subroutine psb_z_bjac_precfree(prec,info)
!!$ import :: psb_desc_type, psb_z_bjac_prec_type, psb_z_vect_type, psb_dpk_
!!$ class(psb_z_bjac_prec_type), intent(inout) :: prec
!!$ integer, intent(out) :: info
!!$ end subroutine psb_z_bjac_precfree
!!$ end interface psb_z_bjac_precfree
select case(prec%iprcparm(psb_f_type_)) contains
case(psb_f_ilu_n_) subroutine psb_z_bjac_precdescr(prec,iout)
if (allocated(prec%av)) then Implicit None
if (size(prec%av) < psb_bp_ilu_avsz) then
do i=1,size(prec%av)
call prec%av(i)%free()
enddo
deallocate(prec%av,stat=info)
endif
end if
if (.not.allocated(prec%av)) then
allocate(prec%av(psb_max_avsz),stat=info)
if (info /= psb_success_) then
call psb_errpush(psb_err_alloc_dealloc_,name)
goto 9999
end if
endif
nrow_a = desc_a%get_local_rows() class(psb_z_bjac_prec_type), intent(in) :: prec
nztota = a%get_nzeros() integer, intent(in), optional :: iout
n_col = desc_a%get_local_cols() Integer :: err_act, nrow, info
nhalo = n_col-nrow_a character(len=20) :: name='z_bjac_precdescr'
n_row = nrow_a integer :: iout_
allocate(lf,uf,stat=info) call psb_erractionsave(err_act)
if (info == psb_success_) call lf%allocate(n_row,n_row,nztota)
if (info == psb_success_) call uf%allocate(n_row,n_row,nztota)
if(info /= psb_success_) then info = psb_success_
info=psb_err_from_subroutine_
ch_err='psb_sp_all'
call psb_errpush(info,name,a_err=ch_err)
goto 9999
end if
allocate(dd(n_row),stat=info) if (present(iout)) then
if (info == psb_success_) then iout_ = iout
allocate(prec%dv, stat=info)
if (info == 0) then
if (present(vmold)) then
allocate(prec%dv%v,mold=vmold,stat=info)
else else
allocate(psb_z_base_vect_type :: prec%dv%v,stat=info) iout_ = 6
end if
end if
end if end if
if (info /= psb_success_) then if (.not.allocated(prec%iprcparm)) then
call psb_errpush(psb_err_from_subroutine_,name,a_err='Allocate') info = 1124
goto 9999 call psb_errpush(info,name,a_err="preconditioner")
endif
! This is where we have no renumbering, thus no need
call psb_ilu_fct(a,lf,uf,dd,info)
if(info == psb_success_) then
call prec%av(psb_l_pr_)%mv_from(lf)
call prec%av(psb_u_pr_)%mv_from(uf)
call prec%av(psb_l_pr_)%set_asb()
call prec%av(psb_u_pr_)%set_asb()
call prec%av(psb_l_pr_)%trim()
call prec%av(psb_u_pr_)%trim()
call prec%dv%bld(dd)
call move_alloc(dd,prec%d)
else
info=psb_err_from_subroutine_
ch_err='psb_ilu_fct'
call psb_errpush(info,name,a_err=ch_err)
goto 9999 goto 9999
end if end if
case(psb_f_none_) write(iout_,*) 'Block Jacobi with: ',&
info=psb_err_from_subroutine_ & fact_names(prec%iprcparm(psb_f_type_))
ch_err='Inconsistent prec psb_f_none_'
call psb_errpush(info,name,a_err=ch_err)
goto 9999
case default
info=psb_err_from_subroutine_
ch_err='Unknown psb_f_type_'
call psb_errpush(info,name,a_err=ch_err)
goto 9999
end select
if (present(amold)) then
call prec%av(psb_l_pr_)%cscnv(info,mold=amold)
call prec%av(psb_u_pr_)%cscnv(info,mold=amold)
else if (present(afmt)) then
call prec%av(psb_l_pr_)%cscnv(info,type=afmt)
call prec%av(psb_u_pr_)%cscnv(info,type=afmt)
end if
call psb_erractionrestore(err_act) call psb_erractionrestore(err_act)
return return
@ -518,69 +172,43 @@ contains
end if end if
return return
end subroutine psb_z_bjac_precbld end subroutine psb_z_bjac_precdescr
subroutine psb_z_bjac_precseti(prec,what,val,info)
use psb_base_mod
Implicit None
class(psb_z_bjac_prec_type),intent(inout) :: prec
integer, intent(in) :: what
integer, intent(in) :: val
integer, intent(out) :: info
Integer :: err_act, nrow
character(len=20) :: name='z_bjac_precset'
call psb_erractionsave(err_act) function psb_z_bjac_sizeof(prec) result(val)
class(psb_z_bjac_prec_type), intent(in) :: prec
integer(psb_long_int_k_) :: val
info = psb_success_ val = 0
if (.not.allocated(prec%iprcparm)) then if (allocated(prec%dv)) then
info = 1124 val = val + (2*psb_sizeof_dp) * prec%dv%get_nrows()
call psb_errpush(info,name,a_err="preconditioner")
goto 9999
endif endif
if (allocated(prec%av)) then
select case(what) val = val + prec%av(psb_l_pr_)%sizeof()
case (psb_f_type_) val = val + prec%av(psb_u_pr_)%sizeof()
if (prec%iprcparm(psb_p_type_) /= psb_bjac_) then
write(psb_err_unit,*) 'WHAT is invalid for current preconditioner ',&
& prec%iprcparm(psb_p_type_),&
& 'ignoring user specification'
return
endif endif
prec%iprcparm(psb_f_type_) = val
case (psb_ilu_fill_in_)
if ((prec%iprcparm(psb_p_type_) /= psb_bjac_).or.&
& (prec%iprcparm(psb_f_type_) /= psb_f_ilu_n_)) then
write(psb_err_unit,*) 'WHAT is invalid for current preconditioner ',&
& prec%iprcparm(psb_p_type_),&
& 'ignoring user specification'
return return
endif end function psb_z_bjac_sizeof
prec%iprcparm(psb_ilu_fill_in_) = val
case default
write(psb_err_unit,*) 'WHAT is invalid, ignoring user specification'
end select function psb_z_bjac_get_nzeros(prec) result(val)
call psb_erractionrestore(err_act) class(psb_z_bjac_prec_type), intent(in) :: prec
return integer(psb_long_int_k_) :: val
9999 continue val = 0
call psb_erractionrestore(err_act) if (allocated(prec%dv)) then
if (err_act == psb_act_abort_) then val = val + prec%dv%get_nrows()
call psb_error() endif
return if (allocated(prec%av)) then
val = val + prec%av(psb_l_pr_)%get_nzeros()
val = val + prec%av(psb_u_pr_)%get_nzeros()
endif endif
return return
end subroutine psb_z_bjac_precseti end function psb_z_bjac_get_nzeros
subroutine psb_z_bjac_precsetr(prec,what,val,info) subroutine psb_z_bjac_precsetr(prec,what,val,info)
use psb_base_mod
Implicit None Implicit None
class(psb_z_bjac_prec_type),intent(inout) :: prec class(psb_z_bjac_prec_type),intent(inout) :: prec
@ -608,7 +236,6 @@ contains
subroutine psb_z_bjac_precsetc(prec,what,val,info) subroutine psb_z_bjac_precsetc(prec,what,val,info)
use psb_base_mod
Implicit None Implicit None
class(psb_z_bjac_prec_type),intent(inout) :: prec class(psb_z_bjac_prec_type),intent(inout) :: prec
@ -616,7 +243,7 @@ contains
character(len=*), intent(in) :: val character(len=*), intent(in) :: val
integer, intent(out) :: info integer, intent(out) :: info
Integer :: err_act, nrow Integer :: err_act, nrow
character(len=20) :: name='c_bjac_precset' character(len=20) :: name='z_bjac_precset'
call psb_erractionsave(err_act) call psb_erractionsave(err_act)
@ -636,7 +263,6 @@ contains
subroutine psb_z_bjac_precfree(prec,info) subroutine psb_z_bjac_precfree(prec,info)
use psb_base_mod
Implicit None Implicit None
class(psb_z_bjac_prec_type), intent(inout) :: prec class(psb_z_bjac_prec_type), intent(inout) :: prec
@ -674,125 +300,4 @@ contains
end subroutine psb_z_bjac_precfree end subroutine psb_z_bjac_precfree
subroutine psb_z_bjac_precdescr(prec,iout)
use psb_base_mod
Implicit None
class(psb_z_bjac_prec_type), intent(in) :: prec
integer, intent(in), optional :: iout
Integer :: err_act, nrow, info
character(len=20) :: name='z_bjac_precdescr'
integer :: iout_
call psb_erractionsave(err_act)
info = psb_success_
if (present(iout)) then
iout_ = iout
else
iout_ = 6
end if
if (.not.allocated(prec%iprcparm)) then
info = 1124
call psb_errpush(info,name,a_err="preconditioner")
goto 9999
end if
write(iout_,*) 'Block Jacobi with: ',&
& fact_names(prec%iprcparm(psb_f_type_))
call psb_erractionsave(err_act)
info = psb_success_
call psb_erractionrestore(err_act)
return
9999 continue
call psb_erractionrestore(err_act)
if (err_act == psb_act_abort_) then
call psb_error()
return
end if
return
end subroutine psb_z_bjac_precdescr
subroutine psb_z_bjac_dump(prec,info,prefix,head)
use psb_base_mod
implicit none
class(psb_z_bjac_prec_type), intent(in) :: prec
integer, intent(out) :: info
character(len=*), intent(in), optional :: prefix,head
integer :: i, j, il1, iln, lname, lev
integer :: ictxt,iam, np
character(len=80) :: prefix_
character(len=120) :: fname ! len should be at least 20 more than
! len of prefix_
info = 0
ictxt = prec%get_ctxt()
call psb_info(ictxt,iam,np)
if (present(prefix)) then
prefix_ = trim(prefix(1:min(len(prefix),len(prefix_))))
else
prefix_ = "dump_fact_d"
end if
lname = len_trim(prefix_)
fname = trim(prefix_)
write(fname(lname+1:lname+5),'(a,i3.3)') '_p',iam
lname = lname + 5
write(fname(lname+1:),'(a)')'_lower.mtx'
if (prec%av(psb_l_pr_)%is_asb()) &
& call prec%av(psb_l_pr_)%print(fname,head=head)
write(fname(lname+1:),'(a,a)')'_diag.mtx'
if (allocated(prec%d)) &
& call psb_geprt(fname,prec%d,head=head)
write(fname(lname+1:),'(a)')'_upper.mtx'
if (prec%av(psb_u_pr_)%is_asb()) &
& call prec%av(psb_u_pr_)%print(fname,head=head)
end subroutine psb_z_bjac_dump
function psb_z_bjac_sizeof(prec) result(val)
use psb_base_mod, only : psb_long_int_k_
class(psb_z_bjac_prec_type), intent(in) :: prec
integer(psb_long_int_k_) :: val
val = 0
if (allocated(prec%d)) then
val = val + 2*psb_sizeof_dp * size(prec%d)
endif
if (allocated(prec%av)) then
val = val + psb_sizeof(prec%av(psb_l_pr_))
val = val + psb_sizeof(prec%av(psb_u_pr_))
endif
return
end function psb_z_bjac_sizeof
function psb_z_bjac_get_nzeros(prec) result(val)
use psb_base_mod, only : psb_long_int_k_
class(psb_z_bjac_prec_type), intent(in) :: prec
integer(psb_long_int_k_) :: val
val = 0
if (allocated(prec%dv)) then
val = val + prec%dv%get_nrows()
endif
if (allocated(prec%av)) then
val = val + prec%av(psb_l_pr_)%get_nzeros()
val = val + prec%av(psb_u_pr_)%get_nzeros()
endif
return
end function psb_z_bjac_get_nzeros
end module psb_z_bjacprec end module psb_z_bjacprec

@ -19,17 +19,16 @@ module psb_z_diagprec
procedure, pass(prec) :: get_nzeros => psb_z_diag_get_nzeros procedure, pass(prec) :: get_nzeros => psb_z_diag_get_nzeros
end type psb_z_diag_prec_type end type psb_z_diag_prec_type
private :: psb_z_diag_apply, psb_z_diag_precbld, psb_z_diag_precseti,& private :: psb_z_diag_precseti,&
& psb_z_diag_precsetr, psb_z_diag_precsetc, psb_z_diag_sizeof,& & psb_z_diag_precsetr, psb_z_diag_precsetc, psb_z_diag_sizeof,&
& psb_z_diag_precinit, psb_z_diag_precfree, psb_z_diag_precdescr,& & psb_z_diag_precinit, psb_z_diag_precfree, psb_z_diag_precdescr,&
& psb_z_diag_apply_vect, psb_z_diag_get_nzeros & psb_z_diag_get_nzeros
contains
interface psb_z_diag_apply_vect
subroutine psb_z_diag_apply_vect(alpha,prec,x,beta,y,desc_data,info,trans,work) subroutine psb_z_diag_apply_vect(alpha,prec,x,beta,y,desc_data,info,trans,work)
use psb_base_mod import :: psb_desc_type, psb_z_diag_prec_type, psb_z_vect_type, psb_dpk_
type(psb_desc_type),intent(in) :: desc_data type(psb_desc_type),intent(in) :: desc_data
class(psb_z_diag_prec_type), intent(inout) :: prec class(psb_z_diag_prec_type), intent(inout) :: prec
type(psb_z_vect_type),intent(inout) :: x type(psb_z_vect_type),intent(inout) :: x
@ -38,79 +37,12 @@ contains
integer, intent(out) :: info integer, intent(out) :: info
character(len=1), optional :: trans character(len=1), optional :: trans
complex(psb_dpk_),intent(inout), optional, target :: work(:) complex(psb_dpk_),intent(inout), optional, target :: work(:)
Integer :: err_act, nrow
character(len=20) :: name='d_diag_prec_apply'
complex(psb_dpk_), pointer :: ww(:)
class(psb_z_base_vect_type), allocatable :: dw
call psb_erractionsave(err_act)
!
! This is the base version and we should throw an error.
! Or should it be the DIAG preonditioner???
!
info = psb_success_
nrow = desc_data%get_local_rows()
if (x%get_nrows() < nrow) then
info = 36
call psb_errpush(info,name,i_err=(/2,nrow,0,0,0/))
goto 9999
end if
if (y%get_nrows() < nrow) then
info = 36
call psb_errpush(info,name,i_err=(/3,nrow,0,0,0/))
goto 9999
end if
if (.not.allocated(prec%d)) then
info = 1124
call psb_errpush(info,name,a_err="preconditioner: D")
goto 9999
end if
if (size(prec%d) < nrow) then
info = 1124
call psb_errpush(info,name,a_err="preconditioner: D")
goto 9999
end if
if (size(work) >= x%get_nrows()) then
ww => work
else
allocate(ww(x%get_nrows()),stat=info)
if (info /= psb_success_) then
call psb_errpush(psb_err_alloc_request_,name,&
& i_err=(/x%get_nrows(),0,0,0,0/),a_err='complex(psb_dpk_)')
goto 9999
end if
end if
call y%mlt(alpha,prec%dv,x,beta,info,conjgx=trans)
if (size(work) < x%get_nrows()) then
deallocate(ww,stat=info)
if (info /= psb_success_) then
call psb_errpush(psb_err_from_subroutine_,name,a_err='Deallocate')
goto 9999
end if
end if
call psb_erractionrestore(err_act)
return
9999 continue
call psb_erractionrestore(err_act)
if (err_act == psb_act_abort_) then
call psb_error()
return
end if
return
end subroutine psb_z_diag_apply_vect end subroutine psb_z_diag_apply_vect
end interface psb_z_diag_apply_vect
interface psb_z_diag_apply
subroutine psb_z_diag_apply(alpha,prec,x,beta,y,desc_data,info,trans,work) subroutine psb_z_diag_apply(alpha,prec,x,beta,y,desc_data,info,trans,work)
use psb_base_mod import :: psb_desc_type, psb_z_diag_prec_type, psb_z_vect_type, psb_dpk_
type(psb_desc_type),intent(in) :: desc_data type(psb_desc_type),intent(in) :: desc_data
class(psb_z_diag_prec_type), intent(in) :: prec class(psb_z_diag_prec_type), intent(in) :: prec
complex(psb_dpk_),intent(inout) :: x(:) complex(psb_dpk_),intent(inout) :: x(:)
@ -119,95 +51,29 @@ contains
integer, intent(out) :: info integer, intent(out) :: info
character(len=1), optional :: trans character(len=1), optional :: trans
complex(psb_dpk_),intent(inout), optional, target :: work(:) complex(psb_dpk_),intent(inout), optional, target :: work(:)
Integer :: err_act, nrow end subroutine psb_z_diag_apply
character :: trans_ end interface psb_z_diag_apply
character(len=20) :: name='c_diag_prec_apply'
complex(psb_dpk_), pointer :: ww(:)
call psb_erractionsave(err_act)
info = psb_success_
nrow = desc_data%get_local_rows()
if (size(x) < nrow) then
info = 36
call psb_errpush(info,name,i_err=(/2,nrow,0,0,0/))
goto 9999
end if
if (size(y) < nrow) then
info = 36
call psb_errpush(info,name,i_err=(/3,nrow,0,0,0/))
goto 9999
end if
if (.not.allocated(prec%d)) then
info = 1124
call psb_errpush(info,name,a_err="preconditioner: D")
goto 9999
end if
if (size(prec%d) < nrow) then
info = 1124
call psb_errpush(info,name,a_err="preconditioner: D")
goto 9999
end if
if (present(trans)) then
trans_ = psb_toupper(trans)
else
trans_='N'
end if
select case(trans_)
case('N')
case('T','C')
case default
info=psb_err_iarg_invalid_i_
call psb_errpush(info,name,&
& i_err=(/6,0,0,0,0/),a_err=trans_)
goto 9999
end select
if (size(work) >= size(x)) then
ww => work
else
allocate(ww(size(x)),stat=info)
if (info /= psb_success_) then
call psb_errpush(psb_err_alloc_request_,name,&
& i_err=(/size(x),0,0,0,0/),a_err='complex(psb_dpk_)')
goto 9999
end if
end if
if (trans_ == 'C') then
ww(1:nrow) = x(1:nrow)*conjg(prec%d(1:nrow))
else
ww(1:nrow) = x(1:nrow)*prec%d(1:nrow)
endif
call psb_geaxpby(alpha,ww,beta,y,desc_data,info)
if (size(work) < size(x)) then interface psb_z_diag_precbld
deallocate(ww,stat=info) subroutine psb_z_diag_precbld(a,desc_a,prec,info,upd,amold,afmt,vmold)
if (info /= psb_success_) then import :: psb_desc_type, psb_z_diag_prec_type, psb_z_vect_type, psb_dpk_, &
call psb_errpush(psb_err_from_subroutine_,name,a_err='Deallocate') & psb_zspmat_type, psb_z_base_sparse_mat, psb_z_base_vect_type
goto 9999 type(psb_zspmat_type), intent(in), target :: a
end if type(psb_desc_type), intent(in), target :: desc_a
end if class(psb_z_diag_prec_type),intent(inout) :: prec
integer, intent(out) :: info
character, intent(in), optional :: upd
character(len=*), intent(in), optional :: afmt
class(psb_z_base_sparse_mat), intent(in), optional :: amold
class(psb_z_base_vect_type), intent(in), optional :: vmold
end subroutine psb_z_diag_precbld
end interface psb_z_diag_precbld
call psb_erractionrestore(err_act)
return
9999 continue contains
call psb_erractionrestore(err_act)
if (err_act == psb_act_abort_) then
call psb_error()
return
end if
return
end subroutine psb_z_diag_apply
subroutine psb_z_diag_precinit(prec,info) subroutine psb_z_diag_precinit(prec,info)
use psb_base_mod
Implicit None Implicit None
class(psb_z_diag_prec_type),intent(inout) :: prec class(psb_z_diag_prec_type),intent(inout) :: prec
@ -233,83 +99,7 @@ contains
end subroutine psb_z_diag_precinit end subroutine psb_z_diag_precinit
subroutine psb_z_diag_precbld(a,desc_a,prec,info,upd,amold,afmt,vmold)
use psb_base_mod
Implicit None
type(psb_zspmat_type), intent(in), target :: a
type(psb_desc_type), intent(in), target :: desc_a
class(psb_z_diag_prec_type),intent(inout) :: prec
integer, intent(out) :: info
character, intent(in), optional :: upd
character(len=*), intent(in), optional :: afmt
class(psb_z_base_sparse_mat), intent(in), optional :: amold
class(psb_z_base_vect_type), intent(in), optional :: vmold
Integer :: err_act, nrow,i
character(len=20) :: name='z_diag_precbld'
call psb_erractionsave(err_act)
info = psb_success_
nrow = desc_a%get_local_cols()
if (allocated(prec%d)) then
if (size(prec%d) < nrow) then
deallocate(prec%d,stat=info)
end if
end if
if ((info == psb_success_).and.(.not.allocated(prec%d))) then
allocate(prec%d(nrow), stat=info)
end if
if (info /= psb_success_) then
info = psb_err_alloc_dealloc_
call psb_errpush(info,name)
goto 9999
end if
call a%get_diag(prec%d,info)
if (info /= psb_success_) then
info = psb_err_from_subroutine_
call psb_errpush(info,name, a_err='get_diag')
goto 9999
end if
do i=1,nrow
if (prec%d(i) == dzero) then
prec%d(i) = done
else
prec%d(i) = done/prec%d(i)
endif
end do
allocate(prec%dv,stat=info)
if (info == 0) then
if (present(vmold)) then
allocate(prec%dv%v,mold=vmold,stat=info)
else
allocate(psb_z_base_vect_type :: prec%dv%v,stat=info)
end if
end if
if (info == 0) then
call prec%dv%bld(prec%d)
else
write(0,*) 'Error on precbld ',info
end if
call psb_erractionrestore(err_act)
return
9999 continue
call psb_erractionrestore(err_act)
if (err_act == psb_act_abort_) then
call psb_error()
return
end if
return
end subroutine psb_z_diag_precbld
subroutine psb_z_diag_precseti(prec,what,val,info) subroutine psb_z_diag_precseti(prec,what,val,info)
use psb_base_mod
Implicit None Implicit None
class(psb_z_diag_prec_type),intent(inout) :: prec class(psb_z_diag_prec_type),intent(inout) :: prec
@ -337,7 +127,6 @@ contains
subroutine psb_z_diag_precsetr(prec,what,val,info) subroutine psb_z_diag_precsetr(prec,what,val,info)
use psb_base_mod
Implicit None Implicit None
class(psb_z_diag_prec_type),intent(inout) :: prec class(psb_z_diag_prec_type),intent(inout) :: prec
@ -364,8 +153,6 @@ contains
end subroutine psb_z_diag_precsetr end subroutine psb_z_diag_precsetr
subroutine psb_z_diag_precsetc(prec,what,val,info) subroutine psb_z_diag_precsetc(prec,what,val,info)
use psb_base_mod
Implicit None Implicit None
class(psb_z_diag_prec_type),intent(inout) :: prec class(psb_z_diag_prec_type),intent(inout) :: prec
@ -393,7 +180,6 @@ contains
subroutine psb_z_diag_precfree(prec,info) subroutine psb_z_diag_precfree(prec,info)
use psb_base_mod
Implicit None Implicit None
class(psb_z_diag_prec_type), intent(inout) :: prec class(psb_z_diag_prec_type), intent(inout) :: prec
@ -423,8 +209,6 @@ contains
subroutine psb_z_diag_precdescr(prec,iout) subroutine psb_z_diag_precdescr(prec,iout)
use psb_base_mod
Implicit None Implicit None
class(psb_z_diag_prec_type), intent(in) :: prec class(psb_z_diag_prec_type), intent(in) :: prec
@ -465,17 +249,14 @@ contains
end subroutine psb_z_diag_precdescr end subroutine psb_z_diag_precdescr
function psb_z_diag_sizeof(prec) result(val) function psb_z_diag_sizeof(prec) result(val)
use psb_base_mod, only : psb_long_int_k_
class(psb_z_diag_prec_type), intent(in) :: prec class(psb_z_diag_prec_type), intent(in) :: prec
integer(psb_long_int_k_) :: val integer(psb_long_int_k_) :: val
val = 0 val = (2*psb_sizeof_dp) * prec%get_nzeros()
val = val + 2*psb_sizeof_dp * size(prec%d)
return return
end function psb_z_diag_sizeof end function psb_z_diag_sizeof
function psb_z_diag_get_nzeros(prec) result(val) function psb_z_diag_get_nzeros(prec) result(val)
use psb_base_mod, only: psb_long_int_k_
class(psb_z_diag_prec_type), intent(in) :: prec class(psb_z_diag_prec_type), intent(in) :: prec
integer(psb_long_int_k_) :: val integer(psb_long_int_k_) :: val
@ -484,4 +265,5 @@ contains
return return
end function psb_z_diag_get_nzeros end function psb_z_diag_get_nzeros
end module psb_z_diagprec end module psb_z_diagprec

@ -4,8 +4,8 @@ module psb_z_nullprec
type, extends(psb_z_base_prec_type) :: psb_z_null_prec_type type, extends(psb_z_base_prec_type) :: psb_z_null_prec_type
contains contains
procedure, pass(prec) :: z_apply_v => psb_z_null_apply_vect procedure, pass(prec) :: c_apply_v => psb_z_null_apply_vect
procedure, pass(prec) :: z_apply => psb_z_null_apply procedure, pass(prec) :: c_apply => psb_z_null_apply
procedure, pass(prec) :: precbld => psb_z_null_precbld procedure, pass(prec) :: precbld => psb_z_null_precbld
procedure, pass(prec) :: precinit => psb_z_null_precinit procedure, pass(prec) :: precinit => psb_z_null_precinit
procedure, pass(prec) :: precseti => psb_z_null_precseti procedure, pass(prec) :: precseti => psb_z_null_precseti
@ -16,17 +16,14 @@ module psb_z_nullprec
procedure, pass(prec) :: sizeof => psb_z_null_sizeof procedure, pass(prec) :: sizeof => psb_z_null_sizeof
end type psb_z_null_prec_type end type psb_z_null_prec_type
private :: psb_z_null_apply, psb_z_null_precbld, psb_z_null_precseti,& private :: psb_z_null_precbld, psb_z_null_precseti,&
& psb_z_null_precsetr, psb_z_null_precsetc, psb_z_null_sizeof,& & psb_z_null_precsetr, psb_z_null_precsetc, psb_z_null_sizeof,&
& psb_z_null_precinit, psb_z_null_precfree, psb_z_null_precdescr, & & psb_z_null_precinit, psb_z_null_precfree, psb_z_null_precdescr
& psb_z_null_apply_vect
contains
interface psb_z_null_apply_vect
subroutine psb_z_null_apply_vect(alpha,prec,x,beta,y,desc_data,info,trans,work) subroutine psb_z_null_apply_vect(alpha,prec,x,beta,y,desc_data,info,trans,work)
use psb_base_mod import :: psb_desc_type, psb_z_null_prec_type, psb_z_vect_type, psb_dpk_
type(psb_desc_type),intent(in) :: desc_data type(psb_desc_type),intent(in) :: desc_data
class(psb_z_null_prec_type), intent(inout) :: prec class(psb_z_null_prec_type), intent(inout) :: prec
type(psb_z_vect_type),intent(inout) :: x type(psb_z_vect_type),intent(inout) :: x
@ -35,51 +32,13 @@ contains
integer, intent(out) :: info integer, intent(out) :: info
character(len=1), optional :: trans character(len=1), optional :: trans
complex(psb_dpk_),intent(inout), optional, target :: work(:) complex(psb_dpk_),intent(inout), optional, target :: work(:)
Integer :: err_act, nrow
character(len=20) :: name='z_null_prec_apply'
call psb_erractionsave(err_act)
!
! This is the base version and we should throw an error.
! Or should it be the NULL preonditioner???
!
info = psb_success_
nrow = desc_data%get_local_rows()
if (x%get_nrows() < nrow) then
info = 36
call psb_errpush(info,name,i_err=(/2,nrow,0,0,0/))
goto 9999
end if
if (y%get_nrows() < nrow) then
info = 36
call psb_errpush(info,name,i_err=(/3,nrow,0,0,0/))
goto 9999
end if
call psb_geaxpby(alpha,x,beta,y,desc_data,info)
if (info /= psb_success_ ) then
info = psb_err_from_subroutine_
call psb_errpush(infoi,name,a_err="psb_geaxpby")
goto 9999
end if
call psb_erractionrestore(err_act)
return
9999 continue
call psb_erractionrestore(err_act)
if (err_act == psb_act_abort_) then
call psb_error()
return
end if
return
end subroutine psb_z_null_apply_vect end subroutine psb_z_null_apply_vect
end interface psb_z_null_apply_vect
interface psb_z_null_apply
subroutine psb_z_null_apply(alpha,prec,x,beta,y,desc_data,info,trans,work) subroutine psb_z_null_apply(alpha,prec,x,beta,y,desc_data,info,trans,work)
use psb_base_mod import :: psb_desc_type, psb_z_null_prec_type, psb_dpk_
type(psb_desc_type),intent(in) :: desc_data type(psb_desc_type),intent(in) :: desc_data
class(psb_z_null_prec_type), intent(in) :: prec class(psb_z_null_prec_type), intent(in) :: prec
complex(psb_dpk_),intent(inout) :: x(:) complex(psb_dpk_),intent(inout) :: x(:)
@ -88,51 +47,15 @@ contains
integer, intent(out) :: info integer, intent(out) :: info
character(len=1), optional :: trans character(len=1), optional :: trans
complex(psb_dpk_),intent(inout), optional, target :: work(:) complex(psb_dpk_),intent(inout), optional, target :: work(:)
Integer :: err_act, nrow end subroutine psb_z_null_apply
character(len=20) :: name='z_null_prec_apply' end interface psb_z_null_apply
call psb_erractionsave(err_act)
!
!
info = psb_success_
nrow = desc_data%get_local_rows()
if (size(x) < nrow) then
info = 36
call psb_errpush(info,name,i_err=(/2,nrow,0,0,0/))
goto 9999
end if
if (size(y) < nrow) then
info = 36
call psb_errpush(info,name,i_err=(/3,nrow,0,0,0/))
goto 9999
end if
call psb_geaxpby(alpha,x,beta,y,desc_data,info)
if (info /= psb_success_ ) then
info = psb_err_from_subroutine_
call psb_errpush(infoi,name,a_err="psb_geaxpby")
goto 9999
end if
call psb_erractionrestore(err_act)
return
9999 continue
call psb_erractionrestore(err_act)
if (err_act == psb_act_abort_) then
call psb_error()
return
end if
return
end subroutine psb_z_null_apply contains
subroutine psb_z_null_precinit(prec,info) subroutine psb_z_null_precinit(prec,info)
use psb_base_mod
Implicit None Implicit None
class(psb_z_null_prec_type),intent(inout) :: prec class(psb_z_null_prec_type),intent(inout) :: prec
@ -159,7 +82,6 @@ contains
subroutine psb_z_null_precbld(a,desc_a,prec,info,upd,amold,afmt,vmold) subroutine psb_z_null_precbld(a,desc_a,prec,info,upd,amold,afmt,vmold)
use psb_base_mod
Implicit None Implicit None
type(psb_zspmat_type), intent(in), target :: a type(psb_zspmat_type), intent(in), target :: a
@ -192,7 +114,6 @@ contains
subroutine psb_z_null_precseti(prec,what,val,info) subroutine psb_z_null_precseti(prec,what,val,info)
use psb_base_mod
Implicit None Implicit None
class(psb_z_null_prec_type),intent(inout) :: prec class(psb_z_null_prec_type),intent(inout) :: prec
@ -220,7 +141,6 @@ contains
subroutine psb_z_null_precsetr(prec,what,val,info) subroutine psb_z_null_precsetr(prec,what,val,info)
use psb_base_mod
Implicit None Implicit None
class(psb_z_null_prec_type),intent(inout) :: prec class(psb_z_null_prec_type),intent(inout) :: prec
@ -248,7 +168,6 @@ contains
subroutine psb_z_null_precsetc(prec,what,val,info) subroutine psb_z_null_precsetc(prec,what,val,info)
use psb_base_mod
Implicit None Implicit None
class(psb_z_null_prec_type),intent(inout) :: prec class(psb_z_null_prec_type),intent(inout) :: prec
@ -276,7 +195,6 @@ contains
subroutine psb_z_null_precfree(prec,info) subroutine psb_z_null_precfree(prec,info)
use psb_base_mod
Implicit None Implicit None
class(psb_z_null_prec_type), intent(inout) :: prec class(psb_z_null_prec_type), intent(inout) :: prec
@ -305,7 +223,6 @@ contains
subroutine psb_z_null_precdescr(prec,iout) subroutine psb_z_null_precdescr(prec,iout)
use psb_base_mod
Implicit None Implicit None
class(psb_z_null_prec_type), intent(in) :: prec class(psb_z_null_prec_type), intent(in) :: prec
@ -341,7 +258,7 @@ contains
end subroutine psb_z_null_precdescr end subroutine psb_z_null_precdescr
function psb_z_null_sizeof(prec) result(val) function psb_z_null_sizeof(prec) result(val)
use psb_base_mod
class(psb_z_null_prec_type), intent(in) :: prec class(psb_z_null_prec_type), intent(in) :: prec
integer(psb_long_int_k_) :: val integer(psb_long_int_k_) :: val

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