!!$ !!$ !!$ MD2P4 !!$ Multilevel Domain Decomposition Parallel Preconditioner Package for PSBLAS !!$ for !!$ Parallel Sparse BLAS v2.0 !!$ (C) Copyright 2006 Salvatore Filippone University of Rome Tor Vergata !!$ Alfredo Buttari University of Rome Tor Vergata !!$ Daniela di Serafino Second University of Naples !!$ Pasqua D'Ambra ICAR-CNR !!$ !!$ 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 MD2P4 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 MD2P4 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 mld_dprec_aply(prec,x,y,desc_data,info,trans, work) use psb_base_mod use psb_prec_mod, mld_protect_name => mld_dprec_aply implicit none type(psb_desc_type),intent(in) :: desc_data type(psb_dprec_type), intent(in) :: prec real(kind(0.d0)),intent(inout) :: x(:), y(:) integer, intent(out) :: info character(len=1), optional :: trans real(kind(0.d0)), optional, target :: work(:) ! Local variables character :: trans_ real(kind(1.d0)), pointer :: work_(:) integer :: ictxt,np,me,err_act,iwsz logical,parameter :: debug=.false., debugprt=.false. character(len=20) :: name name='psb_dprec_aply' info = 0 call psb_erractionsave(err_act) ictxt = psb_cd_get_context(desc_data) call psb_info(ictxt, me, np) if (present(trans)) then trans_=trans else trans_='N' end if if (present(work)) then work_ => work else iwsz = max(1,4*psb_cd_get_local_cols(desc_data)) allocate(work_(iwsz),stat=info) if (info /= 0) then call psb_errpush(4025,name,i_err=(/iwsz,0,0,0,0/),a_err='real(kind(1.d0))') goto 9999 end if end if if (.not.(allocated(prec%baseprecv))) then write(0,*) 'Inconsistent preconditioner: neither SMTH nor BASE?' end if if (size(prec%baseprecv) >1) then if (debug) write(0,*) 'Into mlprc_aply',size(x),size(y) call mld_mlprec_aply(done,prec%baseprecv,x,dzero,y,desc_data,trans_,work_,info) if(info /= 0) then call psb_errpush(4010,name,a_err='mld_dmlprec_aply') goto 9999 end if else if (size(prec%baseprecv) == 1) then call mld_baseprec_aply(done,prec%baseprecv(1),x,dzero,y,desc_data,trans_, work_,info) else write(0,*) 'Inconsistent preconditioner: size of baseprecv???' endif if (present(work)) then else deallocate(work_) end if call psb_erractionrestore(err_act) return 9999 continue call psb_erractionrestore(err_act) if (err_act.eq.psb_act_abort_) then call psb_error() return end if return end subroutine mld_dprec_aply !!$ !!$ !!$ MD2P4 !!$ Multilevel Domain Decomposition Parallel Preconditioner Package for PSBLAS !!$ for !!$ Parallel Sparse BLAS v2.0 !!$ (C) Copyright 2006 Salvatore Filippone University of Rome Tor Vergata !!$ Alfredo Buttari University of Rome Tor Vergata !!$ Daniela di Serafino Second University of Naples !!$ Pasqua D'Ambra ICAR-CNR !!$ !!$ 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 MD2P4 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 MD2P4 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 mld_dprec_aply1(prec,x,desc_data,info,trans) use psb_base_mod use psb_prec_mod, mld_protect_name => mld_dprec_aply1 implicit none type(psb_desc_type),intent(in) :: desc_data type(psb_dprec_type), intent(in) :: prec real(kind(0.d0)),intent(inout) :: x(:) integer, intent(out) :: info character(len=1), optional :: trans logical,parameter :: debug=.false., debugprt=.false. ! Local variables character :: trans_ integer :: ictxt,np,me,i, err_act real(kind(1.d0)), pointer :: WW(:), w1(:) character(len=20) :: name name='psb_dprec_aply1' info = 0 call psb_erractionsave(err_act) ictxt = psb_cd_get_context(desc_data) call psb_info(ictxt, me, np) if (present(trans)) then trans_=trans else trans_='N' end if allocate(ww(size(x)),w1(size(x)),stat=info) if (info /= 0) then info=4025 call psb_errpush(info,name,i_err=(/2*size(x),0,0,0,0/),& & a_err='real(kind(1.d0))') goto 9999 end if if (debug) write(0,*) 'Prc_aply1 Size(x) ',size(x), size(ww),size(w1) call mld_dprec_aply(prec,x,ww,desc_data,info,trans_,work=w1) if(info /=0) goto 9999 x(:) = ww(:) deallocate(ww,W1) call psb_erractionrestore(err_act) return 9999 continue call psb_errpush(info,name) call psb_erractionrestore(err_act) if (err_act.eq.psb_act_abort_) then call psb_error() return end if return end subroutine mld_dprec_aply1