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108 lines
3.0 KiB
Fortran
108 lines
3.0 KiB
Fortran
subroutine psb_d_null_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_d_nullprec, psb_protect_name => psb_d_null_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_d_null_prec_type), intent(inout) :: prec
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type(psb_d_vect_type),intent(inout) :: x
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real(psb_dpk_),intent(in) :: alpha, beta
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type(psb_d_vect_type),intent(inout) :: y
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integer(psb_ipk_), intent(out) :: info
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character(len=1), optional :: trans
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real(psb_dpk_),intent(inout), optional, target :: work(:)
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integer(psb_ipk_) :: err_act, nrow, ierr(5)
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character(len=20) :: name='c_null_prec_apply'
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call psb_erractionsave(err_act)
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!
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! This is the base version and we should throw an error.
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! Or should it be the NULL preonditioner???
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!
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info = psb_success_
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nrow = desc_data%get_local_rows()
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if (x%get_nrows() < nrow) then
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info = 36; ierr(1) = 2; ierr(2) = nrow;
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call psb_errpush(info,name,i_err=ierr)
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goto 9999
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end if
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if (y%get_nrows() < nrow) then
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info = 36; ierr(1) = 3; ierr(2) = nrow;
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call psb_errpush(info,name,i_err=ierr)
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goto 9999
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end if
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call psb_geaxpby(alpha,x,beta,y,desc_data,info)
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if (info /= psb_success_ ) then
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info = psb_err_from_subroutine_
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call psb_errpush(info,name,a_err="psb_geaxpby")
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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 psb_d_null_apply_vect
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subroutine psb_d_null_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_d_nullprec, psb_protect_name => psb_d_null_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_d_null_prec_type), intent(in) :: prec
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real(psb_dpk_),intent(inout) :: x(:)
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real(psb_dpk_),intent(in) :: alpha, beta
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real(psb_dpk_),intent(inout) :: y(:)
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integer(psb_ipk_), intent(out) :: info
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character(len=1), optional :: trans
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real(psb_dpk_),intent(inout), optional, target :: work(:)
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integer(psb_ipk_) :: err_act, nrow, ierr(5)
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character(len=20) :: name='c_null_prec_apply'
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call psb_erractionsave(err_act)
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!
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!
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info = psb_success_
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nrow = desc_data%get_local_rows()
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if (size(x) < nrow) then
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info = 36; ierr(1) = 2; ierr(2) = nrow;
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call psb_errpush(info,name,i_err=ierr)
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goto 9999
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end if
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if (size(y) < nrow) then
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info = 36; ierr(1) = 3; ierr(2) = nrow;
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call psb_errpush(info,name,i_err=ierr)
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goto 9999
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end if
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call psb_geaxpby(alpha,x,beta,y,desc_data,info)
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if (info /= psb_success_ ) then
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info = psb_err_from_subroutine_
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call psb_errpush(info,name,a_err="psb_geaxpby")
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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 psb_d_null_apply
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