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195 lines
6.9 KiB
Fortran
195 lines
6.9 KiB
Fortran
!!$
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!!$ Parallel Sparse BLAS version 3.0
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!!$ (C) Copyright 2010
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!!$ Salvatore Filippone University of Rome Tor Vergata
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!!$ Alfredo Buttari CNRS-IRIT, Toulouse
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!!$
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!!$ Redistribution and use in source and binary forms, with or without
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!!$ modification, are permitted provided that the following conditions
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!!$ are met:
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!!$ 1. Redistributions of source code must retain the above copyright
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!!$ notice, this list of conditions and the following disclaimer.
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!!$ 2. Redistributions in binary form must reproduce the above copyright
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!!$ notice, this list of conditions, and the following disclaimer in the
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!!$ documentation and/or other materials provided with the distribution.
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!!$ 3. The name of the PSBLAS group or the names of its contributors may
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!!$ not be used to endorse or promote products derived from this
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!!$ software without specific written permission.
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!!$
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!!$ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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!!$ ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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!!$ TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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!!$ PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE PSBLAS GROUP OR ITS CONTRIBUTORS
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!!$ BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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!!$ CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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!!$ SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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!!$ INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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!!$ CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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!!$ ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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!!$ POSSIBILITY OF SUCH DAMAGE.
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!!$
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!!$
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subroutine psb_sprc_aply(prec,x,y,desc_data,info,trans, work)
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use psb_sparse_mod
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use psb_prec_mod, psb_protect_name => psb_sprc_aply
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implicit none
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type(psb_desc_type),intent(in) :: desc_data
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type(psb_sprec_type), intent(in) :: prec
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real(psb_spk_),intent(in) :: x(:)
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real(psb_spk_),intent(inout) :: y(:)
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integer, intent(out) :: info
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character(len=1), optional :: trans
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real(psb_spk_), intent(inout), optional, target :: work(:)
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! Local variables
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character :: trans_
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real(psb_spk_), pointer :: work_(:)
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integer :: ictxt,np,me,err_act
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character(len=20) :: name
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name='psb_prc_aply'
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info = psb_success_
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call psb_erractionsave(err_act)
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ictxt=desc_data%matrix_data(psb_ctxt_)
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call psb_info(ictxt, me, np)
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if (present(trans)) then
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trans_=trans
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else
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trans_='N'
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end if
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if (present(work)) then
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work_ => work
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else
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allocate(work_(4*desc_data%matrix_data(psb_n_col_)),stat=info)
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if (info /= psb_success_) then
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call psb_errpush(psb_err_from_subroutine_,name,a_err='Allocate')
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goto 9999
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end if
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end if
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if (.not.allocated(prec%prec)) then
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info = 1124
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call psb_errpush(info,name,a_err="preconditioner")
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goto 9999
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end if
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call prec%prec%apply(sone,x,szero,y,desc_data,info,trans_,work=work_)
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if (present(work)) then
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else
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deallocate(work_)
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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_sprc_aply
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!!$
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!!$
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!!$ MD2P4
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!!$ Multilevel Domain Decomposition Parallel Preconditioner Package for PSBLAS
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!!$ for
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!!$ Parallel Sparse BLAS version 3.0
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!!$ (C) Copyright 2010
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!!$ Salvatore Filippone University of Rome Tor Vergata
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!!$ Alfredo Buttari CNRS-IRIT, Toulouse
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!!$ Daniela di Serafino Second University of Naples
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!!$ Pasqua D'Ambra ICAR-CNR
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!!$
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!!$ Redistribution and use in source and binary forms, with or without
|
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!!$ modification, are permitted provided that the following conditions
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!!$ are met:
|
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!!$ 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
|
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!!$ documentation and/or other materials provided with the distribution.
|
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!!$ 3. The name of the MD2P4 group or the names of its contributors may
|
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!!$ not be used to endorse or promote products derived from this
|
|
!!$ software without specific written permission.
|
|
!!$
|
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!!$ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
!!$ ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
|
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!!$ TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
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!!$ PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE MD2P4 GROUP OR ITS CONTRIBUTORS
|
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!!$ BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
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!!$ CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
|
!!$ SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
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!!$ INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
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!!$ CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
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!!$ ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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!!$ POSSIBILITY OF SUCH DAMAGE.
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!!$
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!!$
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subroutine psb_sprc_aply1(prec,x,desc_data,info,trans)
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use psb_sparse_mod
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use psb_prec_mod, psb_protect_name => psb_sprc_aply1
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implicit none
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type(psb_desc_type),intent(in) :: desc_data
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type(psb_sprec_type), intent(in) :: prec
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real(psb_spk_),intent(inout) :: x(:)
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integer, intent(out) :: info
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character(len=1), optional :: trans
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! Local variables
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character :: trans_
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integer :: ictxt,np,me, err_act
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real(psb_spk_), pointer :: WW(:), w1(:)
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character(len=20) :: name
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name='psb_prc_aply1'
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info = psb_success_
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call psb_erractionsave(err_act)
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ictxt=desc_data%matrix_data(psb_ctxt_)
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call psb_info(ictxt, me, np)
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if (present(trans)) then
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trans_=psb_toupper(trans)
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else
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trans_='N'
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end if
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if (.not.allocated(prec%prec)) then
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info = 1124
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call psb_errpush(info,name,a_err="preconditioner")
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goto 9999
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end if
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allocate(ww(size(x)),w1(size(x)),stat=info)
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if (info /= psb_success_) then
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call psb_errpush(psb_err_from_subroutine_,name,a_err='Allocate')
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goto 9999
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end if
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call prec%prec%apply(sone,x,szero,ww,desc_data,info,trans_,work=w1)
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if(info /= psb_success_) goto 9999
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x(:) = ww(:)
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deallocate(ww,W1)
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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_errpush(info,name)
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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_sprc_aply1
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