psblas3:
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
@ -0,0 +1,605 @@
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subroutine psb_c_bjac_dump(prec,info,prefix,head)
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use psb_base_mod
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use psb_c_bjacprec, psb_protect_name => psb_c_bjac_dump
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implicit none
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class(psb_c_bjac_prec_type), intent(in) :: prec
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integer, intent(out) :: info
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character(len=*), intent(in), optional :: prefix,head
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integer :: i, j, il1, iln, lname, lev
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integer :: ictxt,iam, np
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character(len=80) :: prefix_
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character(len=120) :: fname ! len should be at least 20 more than
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! len of prefix_
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info = 0
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ictxt = prec%get_ctxt()
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call psb_info(ictxt,iam,np)
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if (present(prefix)) then
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prefix_ = trim(prefix(1:min(len(prefix),len(prefix_))))
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else
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prefix_ = "dump_fact_c"
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end if
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lname = len_trim(prefix_)
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fname = trim(prefix_)
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write(fname(lname+1:lname+5),'(a,i3.3)') '_p',iam
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lname = lname + 5
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write(fname(lname+1:),'(a)')'_lower.mtx'
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if (prec%av(psb_l_pr_)%is_asb()) &
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& call prec%av(psb_l_pr_)%print(fname,head=head)
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write(fname(lname+1:),'(a,a)')'_diag.mtx'
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if (allocated(prec%d)) &
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& call psb_geprt(fname,prec%d,head=head)
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write(fname(lname+1:),'(a)')'_upper.mtx'
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if (prec%av(psb_u_pr_)%is_asb()) &
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& call prec%av(psb_u_pr_)%print(fname,head=head)
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end subroutine psb_c_bjac_dump
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subroutine psb_c_bjac_apply_vect(alpha,prec,x,beta,y,desc_data,info,trans,work)
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use psb_base_mod
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use psb_c_bjacprec, psb_protect_name => psb_c_bjac_apply_vect
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implicit none
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type(psb_desc_type),intent(in) :: desc_data
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class(psb_c_bjac_prec_type), intent(inout) :: prec
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complex(psb_spk_),intent(in) :: alpha,beta
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type(psb_c_vect_type),intent(inout) :: x
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type(psb_c_vect_type),intent(inout) :: y
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integer, intent(out) :: info
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character(len=1), optional :: trans
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complex(psb_spk_),intent(inout), optional, target :: work(:)
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! Local variables
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integer :: n_row,n_col
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complex(psb_spk_), pointer :: ww(:), aux(:)
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type(psb_c_vect_type) :: wv, wv1
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integer :: ictxt,np,me, err_act, int_err(5)
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integer :: debug_level, debug_unit
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character :: trans_
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character(len=20) :: name='c_bjac_prec_apply'
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character(len=20) :: ch_err
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info = psb_success_
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call psb_erractionsave(err_act)
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debug_unit = psb_get_debug_unit()
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debug_level = psb_get_debug_level()
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ictxt = desc_data%get_context()
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call psb_info(ictxt, me, np)
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trans_ = psb_toupper(trans)
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select case(trans_)
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case('N','T','C')
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! Ok
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case default
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call psb_errpush(psb_err_iarg_invalid_i_,name)
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goto 9999
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end select
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n_row = desc_data%get_local_rows()
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n_col = desc_data%get_local_cols()
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if (x%get_nrows() < n_row) then
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info = 36
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call psb_errpush(info,name,i_err=(/2,n_row,0,0,0/))
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goto 9999
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end if
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if (y%get_nrows() < n_row) then
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info = 36
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call psb_errpush(info,name,i_err=(/3,n_row,0,0,0/))
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goto 9999
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end if
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if (.not.allocated(prec%dv)) then
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info = 1124
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call psb_errpush(info,name,a_err="preconditioner: D")
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goto 9999
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end if
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if (prec%dv%get_nrows() < n_row) then
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info = 1124
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call psb_errpush(info,name,a_err="preconditioner: D")
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goto 9999
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end if
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if (n_col <= size(work)) then
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ww => work(1:n_col)
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if ((4*n_col+n_col) <= size(work)) then
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aux => work(n_col+1:)
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else
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allocate(aux(4*n_col),stat=info)
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endif
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else
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allocate(ww(n_col),aux(4*n_col),stat=info)
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endif
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if (info == psb_success_) allocate(wv%v,mold=x%v)
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if (info /= psb_success_) then
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call psb_errpush(psb_err_from_subroutine_,name,a_err='Allocate')
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goto 9999
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end if
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call psb_geasb(wv,desc_data,info,mold=x%v,scratch=.true.)
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call psb_geasb(wv1,desc_data,info,mold=x%v,scratch=.true.)
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select case(prec%iprcparm(psb_f_type_))
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case(psb_f_ilu_n_)
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select case(trans_)
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case('N')
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call psb_spsm(cone,prec%av(psb_l_pr_),x,czero,wv,desc_data,info,&
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& trans=trans_,scale='L',diag=prec%dv,choice=psb_none_,work=aux)
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if(info == psb_success_) call psb_spsm(alpha,prec%av(psb_u_pr_),wv,&
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& beta,y,desc_data,info,&
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& trans=trans_,scale='U',choice=psb_none_, work=aux)
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case('T')
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call psb_spsm(cone,prec%av(psb_u_pr_),x,czero,wv,desc_data,info,&
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& trans=trans_,scale='L',diag=prec%dv,choice=psb_none_, work=aux)
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if(info == psb_success_) call psb_spsm(alpha,prec%av(psb_l_pr_),wv,&
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& beta,y,desc_data,info,&
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& trans=trans_,scale='U',choice=psb_none_,work=aux)
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case('C')
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call psb_spsm(cone,prec%av(psb_u_pr_),x,czero,wv,desc_data,info,&
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& trans=trans_,scale='U',choice=psb_none_, work=aux)
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call wv1%mlt(cone,prec%dv,wv,czero,info,conjgx=trans_)
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if(info == psb_success_) call psb_spsm(alpha,prec%av(psb_l_pr_),wv,&
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& beta,y,desc_data,info,&
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& trans=trans_,scale='U',choice=psb_none_,work=aux)
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end select
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if (info /= psb_success_) then
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ch_err="psb_spsm"
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goto 9999
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end if
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case default
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info = psb_err_internal_error_
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call psb_errpush(info,name,a_err='Invalid factorization')
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goto 9999
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end select
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call psb_halo(y,desc_data,info,data=psb_comm_mov_)
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call wv%free(info)
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call wv1%free(info)
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if (n_col <= size(work)) then
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if ((4*n_col+n_col) <= size(work)) then
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else
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deallocate(aux)
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endif
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else
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deallocate(ww,aux)
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endif
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call psb_erractionrestore(err_act)
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return
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9999 continue
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call psb_errpush(info,name,i_err=int_err,a_err=ch_err)
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call psb_erractionrestore(err_act)
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if (err_act == psb_act_abort_) then
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call psb_error()
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return
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end if
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return
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end subroutine psb_c_bjac_apply_vect
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subroutine psb_c_bjac_apply(alpha,prec,x,beta,y,desc_data,info,trans,work)
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use psb_base_mod
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use psb_c_bjacprec, psb_protect_name => psb_c_bjac_apply
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implicit none
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type(psb_desc_type),intent(in) :: desc_data
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class(psb_c_bjac_prec_type), intent(in) :: prec
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complex(psb_spk_),intent(in) :: alpha,beta
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complex(psb_spk_),intent(inout) :: x(:)
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complex(psb_spk_),intent(inout) :: y(:)
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integer, intent(out) :: info
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character(len=1), optional :: trans
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complex(psb_spk_),intent(inout), optional, target :: work(:)
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! Local variables
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integer :: n_row,n_col
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complex(psb_spk_), pointer :: ww(:), aux(:)
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integer :: ictxt,np,me, err_act, int_err(5)
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integer :: debug_level, debug_unit
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character :: trans_
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character(len=20) :: name='c_bjac_prec_apply'
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character(len=20) :: ch_err
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info = psb_success_
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call psb_erractionsave(err_act)
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debug_unit = psb_get_debug_unit()
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debug_level = psb_get_debug_level()
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ictxt = desc_data%get_context()
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call psb_info(ictxt, me, np)
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trans_ = psb_toupper(trans)
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select case(trans_)
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case('N','T','C')
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! Ok
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case default
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call psb_errpush(psb_err_iarg_invalid_i_,name)
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goto 9999
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end select
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n_row = desc_data%get_local_rows()
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n_col = desc_data%get_local_cols()
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if (size(x) < n_row) then
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info = 36
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call psb_errpush(info,name,i_err=(/2,n_row,0,0,0/))
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goto 9999
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end if
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if (size(y) < n_row) then
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info = 36
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call psb_errpush(info,name,i_err=(/3,n_row,0,0,0/))
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goto 9999
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end if
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if (.not.allocated(prec%dv)) then
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info = 1124
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call psb_errpush(info,name,a_err="preconditioner: D")
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goto 9999
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end if
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if (prec%dv%get_nrows() < n_row) then
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info = 1124
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call psb_errpush(info,name,a_err="preconditioner: D")
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goto 9999
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end if
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if (n_col <= size(work)) then
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ww => work(1:n_col)
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if ((4*n_col+n_col) <= size(work)) then
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aux => work(n_col+1:)
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else
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allocate(aux(4*n_col),stat=info)
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if (info /= psb_success_) then
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call psb_errpush(psb_err_from_subroutine_,name,a_err='Allocate')
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goto 9999
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end if
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endif
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else
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allocate(ww(n_col),aux(4*n_col),stat=info)
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if (info /= psb_success_) then
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call psb_errpush(psb_err_from_subroutine_,name,a_err='Allocate')
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goto 9999
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end if
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endif
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select case(prec%iprcparm(psb_f_type_))
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case(psb_f_ilu_n_)
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select case(trans_)
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case('N')
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call psb_spsm(cone,prec%av(psb_l_pr_),x,czero,ww,desc_data,info,&
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& trans=trans_,scale='L',diag=prec%dv%v%v,choice=psb_none_,work=aux)
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if(info == psb_success_) call psb_spsm(alpha,prec%av(psb_u_pr_),ww,&
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& beta,y,desc_data,info,&
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& trans=trans_,scale='U',choice=psb_none_, work=aux)
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case('T')
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call psb_spsm(cone,prec%av(psb_u_pr_),x,czero,ww,desc_data,info,&
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& trans=trans_,scale='L',diag=prec%dv%v%v,choice=psb_none_, work=aux)
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if(info == psb_success_) call psb_spsm(alpha,prec%av(psb_l_pr_),ww,&
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& beta,y,desc_data,info,&
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& trans=trans_,scale='U',choice=psb_none_,work=aux)
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case('C')
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call psb_spsm(cone,prec%av(psb_u_pr_),x,czero,ww,desc_data,info,&
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& trans=trans_,scale='U',choice=psb_none_, work=aux)
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ww(1:n_row) = ww(1:n_row)*conjg(prec%dv%v%v(1:n_row))
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if(info == psb_success_) call psb_spsm(alpha,prec%av(psb_l_pr_),ww,&
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& beta,y,desc_data,info,&
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& trans=trans_,scale='U',choice=psb_none_,work=aux)
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end select
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if (info /= psb_success_) then
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ch_err="psb_spsm"
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goto 9999
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end if
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case default
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info = psb_err_internal_error_
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call psb_errpush(info,name,a_err='Invalid factorization')
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goto 9999
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end select
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call psb_halo(y,desc_data,info,data=psb_comm_mov_)
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if (n_col <= size(work)) then
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if ((4*n_col+n_col) <= size(work)) then
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else
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deallocate(aux)
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endif
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else
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deallocate(ww,aux)
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endif
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call psb_erractionrestore(err_act)
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return
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9999 continue
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call psb_errpush(info,name,i_err=int_err,a_err=ch_err)
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call psb_erractionrestore(err_act)
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if (err_act == psb_act_abort_) then
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call psb_error()
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return
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end if
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return
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end subroutine psb_c_bjac_apply
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subroutine psb_c_bjac_precinit(prec,info)
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use psb_base_mod
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use psb_c_bjacprec, psb_protect_name => psb_c_bjac_precinit
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Implicit None
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class(psb_c_bjac_prec_type),intent(inout) :: prec
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integer, intent(out) :: info
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Integer :: err_act, nrow
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character(len=20) :: name='c_bjac_precinit'
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call psb_erractionsave(err_act)
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info = psb_success_
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call psb_realloc(psb_ifpsz,prec%iprcparm,info)
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if (info /= psb_success_) then
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info = psb_err_alloc_dealloc_
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call psb_Errpush(info,name)
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goto 9999
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end if
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prec%iprcparm(:) = 0
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prec%iprcparm(psb_p_type_) = psb_bjac_
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prec%iprcparm(psb_f_type_) = psb_f_ilu_n_
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prec%iprcparm(psb_ilu_fill_in_) = 0
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call psb_erractionrestore(err_act)
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return
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9999 continue
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call psb_erractionrestore(err_act)
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if (err_act == psb_act_abort_) then
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call psb_error()
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return
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end if
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return
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end subroutine psb_c_bjac_precinit
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||||
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
|
||||
Loading…
Reference in New Issue