You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
76 lines
2.1 KiB
Fortran
76 lines
2.1 KiB
Fortran
subroutine mld_z_diag_solver_apply_vect(alpha,sv,x,beta,y,desc_data,trans,work,info)
|
|
|
|
use psb_base_mod
|
|
use mld_z_diag_solver, mld_protect_name => mld_z_diag_solver_apply_vect
|
|
implicit none
|
|
type(psb_desc_type), intent(in) :: desc_data
|
|
class(mld_z_diag_solver_type), intent(inout) :: sv
|
|
type(psb_z_vect_type), intent(inout) :: x
|
|
type(psb_z_vect_type), intent(inout) :: y
|
|
complex(psb_dpk_),intent(in) :: alpha,beta
|
|
character(len=1),intent(in) :: trans
|
|
complex(psb_dpk_),target, intent(inout) :: work(:)
|
|
integer, intent(out) :: info
|
|
|
|
integer :: n_row,n_col
|
|
complex(psb_dpk_), pointer :: ww(:), aux(:), tx(:),ty(:)
|
|
integer :: ictxt,np,me,i, err_act
|
|
character :: trans_
|
|
character(len=20) :: name='z_diag_solver_apply'
|
|
|
|
call psb_erractionsave(err_act)
|
|
|
|
info = psb_success_
|
|
|
|
trans_ = psb_toupper(trans)
|
|
select case(trans_)
|
|
case('N')
|
|
case('T','C')
|
|
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(sv%dv)) then
|
|
info = 1124
|
|
call psb_errpush(info,name,a_err="preconditioner: D")
|
|
goto 9999
|
|
end if
|
|
if (sv%dv%get_nrows() < n_row) then
|
|
info = 1124
|
|
call psb_errpush(info,name,a_err="preconditioner: D")
|
|
goto 9999
|
|
end if
|
|
|
|
call y%mlt(alpha,sv%dv,x,beta,info,conjgx=trans_)
|
|
|
|
if (info /= psb_success_) then
|
|
call psb_errpush(psb_err_from_subroutine_,name,a_err='vect%mlt')
|
|
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 mld_z_diag_solver_apply_vect
|