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76 lines
2.1 KiB
Fortran
76 lines
2.1 KiB
Fortran
12 years ago
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subroutine mld_c_diag_solver_apply_vect(alpha,sv,x,beta,y,desc_data,trans,work,info)
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use psb_base_mod
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use mld_c_diag_solver, mld_protect_name => mld_c_diag_solver_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(mld_c_diag_solver_type), intent(inout) :: sv
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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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complex(psb_spk_),intent(in) :: alpha,beta
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character(len=1),intent(in) :: trans
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complex(psb_spk_),target, intent(inout) :: work(:)
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integer, intent(out) :: info
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integer :: n_row,n_col
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complex(psb_spk_), pointer :: ww(:), aux(:), tx(:),ty(:)
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integer :: ictxt,np,me,i, err_act
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character :: trans_
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character(len=20) :: name='c_diag_solver_apply'
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call psb_erractionsave(err_act)
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info = psb_success_
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trans_ = psb_toupper(trans)
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select case(trans_)
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case('N')
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case('T','C')
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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(sv%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 (sv%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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call y%mlt(alpha,sv%dv,x,beta,info,conjgx=trans_)
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if (info /= psb_success_) then
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call psb_errpush(psb_err_from_subroutine_,name,a_err='vect%mlt')
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goto 9999
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end if
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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 mld_c_diag_solver_apply_vect
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