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psblas3/prec/psb_c_bjacprec.f90

304 lines
9.9 KiB
Fortran

module psb_c_bjacprec
use psb_c_base_prec_mod
type, extends(psb_c_base_prec_type) :: psb_c_bjac_prec_type
integer, allocatable :: iprcparm(:)
type(psb_cspmat_type), allocatable :: av(:)
complex(psb_spk_), allocatable :: d(:)
type(psb_c_vect_type), allocatable :: dv
contains
procedure, pass(prec) :: c_apply_v => psb_c_bjac_apply_vect
procedure, pass(prec) :: c_apply => psb_c_bjac_apply
procedure, pass(prec) :: precbld => psb_c_bjac_precbld
procedure, pass(prec) :: precinit => psb_c_bjac_precinit
procedure, pass(prec) :: precseti => psb_c_bjac_precseti
procedure, pass(prec) :: precsetr => psb_c_bjac_precsetr
procedure, pass(prec) :: precsetc => psb_c_bjac_precsetc
procedure, pass(prec) :: precfree => psb_c_bjac_precfree
procedure, pass(prec) :: precdescr => psb_c_bjac_precdescr
procedure, pass(prec) :: dump => psb_c_bjac_dump
procedure, pass(prec) :: sizeof => psb_c_bjac_sizeof
procedure, pass(prec) :: get_nzeros => psb_c_bjac_get_nzeros
end type psb_c_bjac_prec_type
private :: psb_c_bjac_sizeof, psb_c_bjac_precdescr, psb_c_bjac_get_nzeros
character(len=15), parameter, private :: &
& fact_names(0:2)=(/'None ','ILU(n) ',&
& 'ILU(eps) '/)
interface psb_c_bjac_dump
subroutine psb_c_bjac_dump(prec,info,prefix,head)
import :: psb_desc_type, psb_c_bjac_prec_type, psb_c_vect_type, psb_spk_
class(psb_c_bjac_prec_type), intent(in) :: prec
integer, intent(out) :: info
character(len=*), intent(in), optional :: prefix,head
end subroutine psb_c_bjac_dump
end interface psb_c_bjac_dump
interface psb_c_bjac_apply_vect
subroutine psb_c_bjac_apply_vect(alpha,prec,x,beta,y,desc_data,info,trans,work)
import :: psb_desc_type, psb_c_bjac_prec_type, psb_c_vect_type, psb_spk_
type(psb_desc_type),intent(in) :: desc_data
class(psb_c_bjac_prec_type), intent(inout) :: prec
complex(psb_spk_),intent(in) :: alpha,beta
type(psb_c_vect_type),intent(inout) :: x
type(psb_c_vect_type),intent(inout) :: y
integer, intent(out) :: info
character(len=1), optional :: trans
complex(psb_spk_),intent(inout), optional, target :: work(:)
end subroutine psb_c_bjac_apply_vect
end interface psb_c_bjac_apply_vect
interface psb_c_bjac_apply
subroutine psb_c_bjac_apply(alpha,prec,x,beta,y,desc_data,info,trans,work)
import :: psb_desc_type, psb_c_bjac_prec_type, psb_c_vect_type, psb_spk_
type(psb_desc_type),intent(in) :: desc_data
class(psb_c_bjac_prec_type), intent(in) :: prec
complex(psb_spk_),intent(in) :: alpha,beta
complex(psb_spk_),intent(inout) :: x(:)
complex(psb_spk_),intent(inout) :: y(:)
integer, intent(out) :: info
character(len=1), optional :: trans
complex(psb_spk_),intent(inout), optional, target :: work(:)
end subroutine psb_c_bjac_apply
end interface psb_c_bjac_apply
interface psb_c_bjac_precinit
subroutine psb_c_bjac_precinit(prec,info)
import :: psb_desc_type, psb_c_bjac_prec_type, psb_c_vect_type, psb_spk_
class(psb_c_bjac_prec_type),intent(inout) :: prec
integer, intent(out) :: info
end subroutine psb_c_bjac_precinit
end interface psb_c_bjac_precinit
interface psb_c_bjac_precbld
subroutine psb_c_bjac_precbld(a,desc_a,prec,info,upd,amold,afmt,vmold)
import :: psb_desc_type, psb_c_bjac_prec_type, psb_c_vect_type, psb_spk_, &
& psb_cspmat_type, psb_c_base_sparse_mat, psb_c_base_vect_type
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
end subroutine psb_c_bjac_precbld
end interface psb_c_bjac_precbld
interface psb_c_bjac_precseti
subroutine psb_c_bjac_precseti(prec,what,val,info)
import :: psb_desc_type, psb_c_bjac_prec_type, psb_c_vect_type, psb_spk_
class(psb_c_bjac_prec_type),intent(inout) :: prec
integer, intent(in) :: what
integer, intent(in) :: val
integer, intent(out) :: info
end subroutine psb_c_bjac_precseti
end interface psb_c_bjac_precseti
!!$ interface psb_c_bjac_precsetr
!!$ subroutine psb_c_bjac_precsetr(prec,what,val,info)
!!$ import :: psb_desc_type, psb_c_bjac_prec_type, psb_c_vect_type, psb_spk_
!!$ class(psb_c_bjac_prec_type),intent(inout) :: prec
!!$ integer, intent(in) :: what
!!$ real(psb_spk_), intent(in) :: val
!!$ integer, intent(out) :: info
!!$ end subroutine psb_c_bjac_precsetr
!!$ end interface psb_c_bjac_precsetr
!!$
!!$ interface psb_c_bjac_precsetc
!!$ subroutine psb_c_bjac_precsetc(prec,what,val,info)
!!$ import :: psb_desc_type, psb_c_bjac_prec_type, psb_c_vect_type, psb_spk_
!!$ class(psb_c_bjac_prec_type),intent(inout) :: prec
!!$ integer, intent(in) :: what
!!$ character(len=*), intent(in) :: val
!!$ integer, intent(out) :: info
!!$ end subroutine psb_c_bjac_precsetc
!!$ end interface psb_c_bjac_precsetc
!!$
!!$ interface psb_c_bjac_precfree
!!$ subroutine psb_c_bjac_precfree(prec,info)
!!$ import :: psb_desc_type, psb_c_bjac_prec_type, psb_c_vect_type, psb_spk_
!!$ class(psb_c_bjac_prec_type), intent(inout) :: prec
!!$ integer, intent(out) :: info
!!$ end subroutine psb_c_bjac_precfree
!!$ end interface psb_c_bjac_precfree
contains
subroutine psb_c_bjac_precdescr(prec,iout)
Implicit None
class(psb_c_bjac_prec_type), intent(in) :: prec
integer, intent(in), optional :: iout
Integer :: err_act, nrow, info
character(len=20) :: name='c_bjac_precdescr'
integer :: iout_
call psb_erractionsave(err_act)
info = psb_success_
if (present(iout)) then
iout_ = iout
else
iout_ = 6
end if
if (.not.allocated(prec%iprcparm)) then
info = 1124
call psb_errpush(info,name,a_err="preconditioner")
goto 9999
end if
write(iout_,*) 'Block Jacobi with: ',&
& fact_names(prec%iprcparm(psb_f_type_))
call psb_erractionrestore(err_act)
return
9999 continue
call psb_erractionrestore(err_act)
if (err_act == psb_act_abort_) then
call psb_error()
return
end if
return
end subroutine psb_c_bjac_precdescr
function psb_c_bjac_sizeof(prec) result(val)
class(psb_c_bjac_prec_type), intent(in) :: prec
integer(psb_long_int_k_) :: val
val = 0
if (allocated(prec%dv)) then
val = val + (2*psb_sizeof_sp) * prec%dv%get_nrows()
endif
if (allocated(prec%av)) then
val = val + prec%av(psb_l_pr_)%sizeof()
val = val + prec%av(psb_u_pr_)%sizeof()
endif
return
end function psb_c_bjac_sizeof
function psb_c_bjac_get_nzeros(prec) result(val)
class(psb_c_bjac_prec_type), intent(in) :: prec
integer(psb_long_int_k_) :: val
val = 0
if (allocated(prec%dv)) then
val = val + prec%dv%get_nrows()
endif
if (allocated(prec%av)) then
val = val + prec%av(psb_l_pr_)%get_nzeros()
val = val + prec%av(psb_u_pr_)%get_nzeros()
endif
return
end function psb_c_bjac_get_nzeros
subroutine psb_c_bjac_precsetr(prec,what,val,info)
Implicit None
class(psb_c_bjac_prec_type),intent(inout) :: prec
integer, intent(in) :: what
real(psb_spk_), 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_
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_precsetr
subroutine psb_c_bjac_precsetc(prec,what,val,info)
Implicit None
class(psb_c_bjac_prec_type),intent(inout) :: prec
integer, intent(in) :: what
character(len=*), 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_
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_precsetc
subroutine psb_c_bjac_precfree(prec,info)
Implicit None
class(psb_c_bjac_prec_type), intent(inout) :: prec
integer, intent(out) :: info
Integer :: err_act, i
character(len=20) :: name='c_bjac_precfree'
call psb_erractionsave(err_act)
info = psb_success_
if (allocated(prec%av)) then
do i=1,size(prec%av)
call prec%av(i)%free()
enddo
deallocate(prec%av,stat=info)
end if
if (allocated(prec%d)) then
deallocate(prec%d,stat=info)
end if
if (allocated(prec%dv)) then
call prec%dv%free(info)
if (info == 0) deallocate(prec%dv,stat=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_bjac_precfree
end module psb_c_bjacprec