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.
109 lines
3.4 KiB
Fortran
109 lines
3.4 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_dia_scal(d,a,info,side)
|
|
|
|
use psb_base_mod
|
|
use psb_c_dia_mat_mod, psb_protect_name => psb_c_dia_scal
|
|
implicit none
|
|
class(psb_c_dia_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), nc, jc, nr, ir1, ir2
|
|
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%data(i,:) = a%data(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
|
|
|
|
nr=size(a%data,1)
|
|
nc=size(a%data,2)
|
|
do j=1,nc
|
|
jc = a%offset(j)
|
|
if (jc > 0) then
|
|
ir1 = 1
|
|
ir2 = nr - jc
|
|
else
|
|
ir1 = 1 - jc
|
|
ir2 = nr
|
|
end if
|
|
do i=ir1, ir2
|
|
a%data(i,j) = a%data(i,j) * d(i+jc)
|
|
enddo
|
|
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_dia_scal
|