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.
psblas3/ext/impl/psb_c_ell_scal.f90

100 lines
3.2 KiB
Fortran

! Parallel Sparse BLAS GPU plugin
! (C) Copyright 2013
!
! Salvatore Filippone
! Alessandro Fanfarillo
!
! Redistribution and use in source and binary forms, with or without
! modification, are permitted provided that the following conditions
! are met:
! 1. Redistributions of source code must retain the above copyright
! notice, this list of conditions and the following disclaimer.
! 2. Redistributions in binary form must reproduce the above copyright
! notice, this list of conditions, and the following disclaimer in the
! documentation and/or other materials provided with the distribution.
! 3. The name of the PSBLAS group or the names of its contributors may
! not be used to endorse or promote products derived from this
! software without specific written permission.
!
! THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
! ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
! TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
! PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE PSBLAS GROUP OR ITS CONTRIBUTORS
! BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
! CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
! SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
! INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
! CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
! ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
! POSSIBILITY OF SUCH DAMAGE.
!
subroutine psb_c_ell_scal(d,a,info,side)
use psb_base_mod
use psb_c_ell_mat_mod, psb_protect_name => psb_c_ell_scal
implicit none
class(psb_c_ell_sparse_mat), intent(inout) :: a
complex(psb_spk_), intent(in) :: d(:)
integer(psb_ipk_), intent(out) :: info
character, intent(in), optional :: side
Integer(Psb_ipk_) :: err_act,mnm, i, j, m, n, ierr(5)
character(len=20) :: name='scal'
character :: side_
logical :: left
logical, parameter :: debug=.false.
info = psb_success_
call psb_erractionsave(err_act)
if (a%is_dev()) call a%sync()
if (a%is_unit()) then
call a%make_nonunit()
end if
side_ = 'L'
if (present(side)) then
side_ = psb_toupper(side)
end if
left = (side_ == 'L')
if (left) then
m = a%get_nrows()
if (size(d) < m) then
info=psb_err_input_asize_invalid_i_
call psb_errpush(info,name,i_err=(/2*ione,size(d,kind=psb_ipk_)/))
goto 9999
end if
do i=1, m
a%val(i,:) = a%val(i,:) * d(i)
enddo
else
n = a%get_ncols()
if (size(d) < n) then
info=psb_err_input_asize_invalid_i_
ierr(1) = 2; ierr(2) = size(d);
call psb_errpush(info,name,i_err=ierr)
goto 9999
end if
do i=1, m
do j=1, a%irn(i)
a%val(i,j) = a%val(i,j) * d(a%ja(i,j))
end do
enddo
end if
call a%set_host()
call psb_erractionrestore(err_act)
return
9999 call psb_error_handler(err_act)
return
end subroutine psb_c_ell_scal