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psblas3/gpu/impl/psb_c_elg_inner_vect_sv.F90

90 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_elg_inner_vect_sv(alpha,a,x,beta,y,info,trans)
use psb_base_mod
#ifdef HAVE_SPGPU
use elldev_mod
use psb_vectordev_mod
use psb_c_elg_mat_mod, psb_protect_name => psb_c_elg_inner_vect_sv
#else
use psb_c_elg_mat_mod
#endif
use psb_c_gpu_vect_mod
implicit none
class(psb_c_elg_sparse_mat), intent(in) :: a
complex(psb_spk_), intent(in) :: alpha, beta
class(psb_c_base_vect_type), intent(inout) :: x, y
integer(psb_ipk_), intent(out) :: info
character, optional, intent(in) :: trans
integer(psb_ipk_) :: err_act
character(len=20) :: name='c_elg_inner_vect_sv'
logical, parameter :: debug=.false.
complex(psb_spk_), allocatable :: rx(:), ry(:)
call psb_get_erraction(err_act)
! This is the base version. If we get here
! it means the derived class is incomplete,
! so we throw an error.
info = psb_success_
if (a%is_dev()) call a%sync()
if (.false.) then
rx = x%get_vect()
ry = y%get_vect()
call a%inner_spsm(alpha,rx,beta,ry,info,trans)
call y%bld(ry)
else
call x%sync()
call y%sync()
call a%psb_c_ell_sparse_mat%inner_spsm(alpha,x,beta,y,info,trans)
call y%set_host()
end if
if (info /= psb_success_) then
info = psb_err_from_subroutine_
call psb_errpush(info,name, a_err='inner_cssm')
goto 9999
end if
call psb_erractionrestore(err_act)
return
9999 call psb_error_handler(err_act)
return
end subroutine psb_c_elg_inner_vect_sv