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54 lines
1.4 KiB
Fortran
54 lines
1.4 KiB
Fortran
submodule (psb_s_oacc_csr_mat_mod) psb_s_oacc_csr_scal_impl
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use psb_base_mod
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contains
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module subroutine psb_s_oacc_csr_scal(d, a, info, side)
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implicit none
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class(psb_s_oacc_csr_sparse_mat), intent(inout) :: a
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real(psb_spk_), intent(in) :: d(:)
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integer(psb_ipk_), intent(out) :: info
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character, intent(in), optional :: side
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integer(psb_ipk_) :: err_act
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character(len=20) :: name='scal'
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logical, parameter :: debug=.false.
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integer(psb_ipk_) :: i, j
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info = psb_success_
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call psb_erractionsave(err_act)
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if (a%is_host()) call a%sync()
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if (present(side)) then
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if (side == 'L') then
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!$acc parallel loop present(a, d)
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do i = 1, a%get_nrows()
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do j = a%irp(i), a%irp(i+1) - 1
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a%val(j) = a%val(j) * d(i)
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end do
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end do
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else if (side == 'R') then
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!$acc parallel loop present(a, d)
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do i = 1, a%get_ncols()
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do j = a%irp(i), a%irp(i+1) - 1
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a%val(j) = a%val(j) * d(a%ja(j))
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end do
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end do
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end if
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else
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!$acc parallel loop present(a, d)
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do i = 1, size(a%val)
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a%val(i) = a%val(i) * d(i)
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end do
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end if
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call a%set_dev()
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call psb_erractionrestore(err_act)
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return
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9999 call psb_error_handler(err_act)
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return
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end subroutine psb_s_oacc_csr_scal
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end submodule psb_s_oacc_csr_scal_impl
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