!!$ !!$ !!$ MLD2P4 version 2.0 !!$ MultiLevel Domain Decomposition Parallel Preconditioners Package !!$ based on PSBLAS (Parallel Sparse BLAS version 3.0) !!$ !!$ (C) Copyright 2008,2009,2010, 2010 !!$ !!$ Salvatore Filippone University of Rome Tor Vergata !!$ Alfredo Buttari CNRS-IRIT, Toulouse !!$ Pasqua D'Ambra ICAR-CNR, Naples !!$ Daniela di Serafino Second University of Naples !!$ !!$ 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 MLD2P4 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 MLD2P4 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. !!$ !!$ ! ! ! ! ! ! module mld_s_as_smoother use mld_s_prec_type type, extends(mld_s_base_smoother_type) :: mld_s_as_smoother_type ! The local solver component is inherited from the ! parent type. ! class(mld_s_base_solver_type), allocatable :: sv ! type(psb_sspmat_type) :: nd type(psb_desc_type) :: desc_data integer :: novr, restr, prol, nd_nnz_tot contains procedure, pass(sm) :: check => s_as_smoother_check procedure, pass(sm) :: dump => s_as_smoother_dmp procedure, pass(sm) :: build => s_as_smoother_bld procedure, pass(sm) :: apply => s_as_smoother_apply procedure, pass(sm) :: free => s_as_smoother_free procedure, pass(sm) :: seti => s_as_smoother_seti procedure, pass(sm) :: setc => s_as_smoother_setc procedure, pass(sm) :: setr => s_as_smoother_setr procedure, pass(sm) :: descr => s_as_smoother_descr procedure, pass(sm) :: sizeof => s_as_smoother_sizeof procedure, pass(sm) :: default => s_as_smoother_default end type mld_s_as_smoother_type private :: s_as_smoother_bld, s_as_smoother_apply, & & s_as_smoother_free, s_as_smoother_seti, & & s_as_smoother_setc, s_as_smoother_setr,& & s_as_smoother_descr, s_as_smoother_sizeof, & & s_as_smoother_check, s_as_smoother_default,& & s_as_smoother_dmp character(len=6), parameter, private :: & & restrict_names(0:4)=(/'none ','halo ',' ',' ',' '/) character(len=12), parameter, private :: & & prolong_names(0:3)=(/'none ','sum ','average ','square root'/) contains subroutine s_as_smoother_default(sm) use psb_base_mod Implicit None ! Arguments class(mld_s_as_smoother_type), intent(inout) :: sm sm%restr = psb_halo_ sm%prol = psb_none_ sm%novr = 1 if (allocated(sm%sv)) then call sm%sv%default() end if return end subroutine s_as_smoother_default subroutine s_as_smoother_check(sm,info) use psb_base_mod Implicit None ! Arguments class(mld_s_as_smoother_type), intent(inout) :: sm integer, intent(out) :: info Integer :: err_act character(len=20) :: name='s_as_smoother_check' call psb_erractionsave(err_act) info = psb_success_ call mld_check_def(sm%restr,& & 'Restrictor',psb_halo_,is_legal_restrict) call mld_check_def(sm%prol,& & 'Prolongator',psb_none_,is_legal_prolong) call mld_check_def(sm%novr,& & 'Overlap layers ',0,is_legal_n_ovr) if (allocated(sm%sv)) then call sm%sv%check(info) else info=3111 call psb_errpush(info,name) goto 9999 end if if (info /= psb_success_) goto 9999 call psb_erractionrestore(err_act) return 9999 continue call psb_erractionrestore(err_act) if (err_act == psb_act_abort_) then call psb_error() return end if return end subroutine s_as_smoother_check subroutine s_as_smoother_apply(alpha,sm,x,beta,y,desc_data,trans,sweeps,work,info) use psb_base_mod type(psb_desc_type), intent(in) :: desc_data class(mld_s_as_smoother_type), intent(in) :: sm real(psb_spk_),intent(inout) :: x(:) real(psb_spk_),intent(inout) :: y(:) real(psb_spk_),intent(in) :: alpha,beta character(len=1),intent(in) :: trans integer, intent(in) :: sweeps real(psb_spk_),target, intent(inout) :: work(:) integer, intent(out) :: info integer :: n_row,n_col, nrow_d, i real(psb_spk_), pointer :: ww(:), aux(:), tx(:),ty(:) integer :: ictxt,np,me, err_act,isz,int_err(5) character :: trans_ character(len=20) :: name='s_as_smoother_apply', ch_err call psb_erractionsave(err_act) info = psb_success_ ictxt = desc_data%get_context() call psb_info (ictxt,me,np) trans_ = psb_toupper(trans) select case(trans_) case('N') case('T','C') case default call psb_errpush(psb_err_iarg_invalid_i_,name) goto 9999 end select if (.not.allocated(sm%sv)) then info = 1121 call psb_errpush(info,name) goto 9999 end if n_row = sm%desc_data%get_local_rows() n_col = sm%desc_data%get_local_cols() nrow_d = desc_data%get_local_rows() isz=max(n_row,N_COL) if ((6*isz) <= size(work)) then ww => work(1:isz) tx => work(isz+1:2*isz) ty => work(2*isz+1:3*isz) aux => work(3*isz+1:) else if ((4*isz) <= size(work)) then aux => work(1:) allocate(ww(isz),tx(isz),ty(isz),stat=info) if (info /= psb_success_) then call psb_errpush(psb_err_alloc_request_,name,i_err=(/3*isz,0,0,0,0/),& & a_err='real(psb_spk_)') goto 9999 end if else if ((3*isz) <= size(work)) then ww => work(1:isz) tx => work(isz+1:2*isz) ty => work(2*isz+1:3*isz) allocate(aux(4*isz),stat=info) if (info /= psb_success_) then call psb_errpush(psb_err_alloc_request_,name,i_err=(/4*isz,0,0,0,0/),& & a_err='real(psb_spk_)') goto 9999 end if else allocate(ww(isz),tx(isz),ty(isz),& &aux(4*isz),stat=info) if (info /= psb_success_) then call psb_errpush(psb_err_alloc_request_,name,i_err=(/4*isz,0,0,0,0/),& & a_err='real(psb_spk_)') goto 9999 end if endif if ((sm%novr == 0).and.(sweeps == 1)) then ! ! Shortcut: in this case it's just the same ! as Block Jacobi. ! call sm%sv%apply(alpha,x,beta,y,desc_data,trans_,aux,info) if (info /= psb_success_) then call psb_errpush(psb_err_internal_error_,name,& & a_err='Error in sub_aply Jacobi Sweeps = 1') goto 9999 endif else tx(1:nrow_d) = x(1:nrow_d) tx(nrow_d+1:isz) = szero if (sweeps == 1) then select case(trans_) case('N') ! ! Get the overlap entries of tx (tx == x) ! if (sm%restr == psb_halo_) then call psb_halo(tx,sm%desc_data,info,work=aux,data=psb_comm_ext_) if(info /= psb_success_) then info=psb_err_from_subroutine_ ch_err='psb_halo' goto 9999 end if else if (sm%restr /= psb_none_) then call psb_errpush(psb_err_internal_error_,name,a_err='Invalid mld_sub_restr_') goto 9999 end if case('T','C') ! ! With transpose, we have to do it here ! select case (sm%prol) case(psb_none_) ! ! Do nothing case(psb_sum_) ! ! The transpose of sum is halo ! call psb_halo(tx,sm%desc_data,info,work=aux,data=psb_comm_ext_) if(info /= psb_success_) then info=psb_err_from_subroutine_ ch_err='psb_halo' goto 9999 end if case(psb_avg_) ! ! Tricky one: first we have to scale the overlap entries, ! which we can do by assignind mode=0, i.e. no communication ! (hence only scaling), then we do the halo ! call psb_ovrl(tx,sm%desc_data,info,& & update=psb_avg_,work=aux,mode=0) if(info /= psb_success_) then info=psb_err_from_subroutine_ ch_err='psb_ovrl' goto 9999 end if call psb_halo(tx,sm%desc_data,info,work=aux,data=psb_comm_ext_) if(info /= psb_success_) then info=psb_err_from_subroutine_ ch_err='psb_halo' goto 9999 end if case default call psb_errpush(psb_err_internal_error_,name,a_err='Invalid mld_sub_prol_') goto 9999 end select case default info=psb_err_iarg_invalid_i_ int_err(1)=6 ch_err(2:2)=trans goto 9999 end select call sm%sv%apply(sone,tx,szero,ty,sm%desc_data,trans_,aux,info) if (info /= psb_success_) then call psb_errpush(psb_err_internal_error_,name,& & a_err='Error in sub_aply Jacobi Sweeps = 1') goto 9999 endif select case(trans_) case('N') select case (sm%prol) case(psb_none_) ! ! Would work anyway, but since it is supposed to do nothing ... ! call psb_ovrl(ty,sm%desc_data,info,& ! & update=sm%prol,work=aux) case(psb_sum_,psb_avg_) ! ! Update the overlap of ty ! call psb_ovrl(ty,sm%desc_data,info,& & update=sm%prol,work=aux) if(info /= psb_success_) then info=psb_err_from_subroutine_ ch_err='psb_ovrl' goto 9999 end if case default call psb_errpush(psb_err_internal_error_,name,a_err='Invalid mld_sub_prol_') goto 9999 end select case('T','C') ! ! With transpose, we have to do it here ! if (sm%restr == psb_halo_) then call psb_ovrl(ty,sm%desc_data,info,& & update=psb_sum_,work=aux) if(info /= psb_success_) then info=psb_err_from_subroutine_ ch_err='psb_ovrl' goto 9999 end if else if (sm%restr /= psb_none_) then call psb_errpush(psb_err_internal_error_,name,a_err='Invalid mld_sub_restr_') goto 9999 end if case default info=psb_err_iarg_invalid_i_ int_err(1)=6 ch_err(2:2)=trans goto 9999 end select else if (sweeps > 1) then ! ! ! Apply prec%iprcparm(mld_smoother_sweeps_) sweeps of a block-Jacobi solver ! to compute an approximate solution of a linear system. ! ! ty = szero do i=1, sweeps select case(trans_) case('N') ! ! Get the overlap entries of tx (tx == x) ! if (sm%restr == psb_halo_) then call psb_halo(tx,sm%desc_data,info,work=aux,data=psb_comm_ext_) if(info /= psb_success_) then info=psb_err_from_subroutine_ ch_err='psb_halo' goto 9999 end if else if (sm%restr /= psb_none_) then call psb_errpush(psb_err_internal_error_,name,a_err='Invalid mld_sub_restr_') goto 9999 end if case('T','C') ! ! With transpose, we have to do it here ! select case (sm%prol) case(psb_none_) ! ! Do nothing case(psb_sum_) ! ! The transpose of sum is halo ! call psb_halo(tx,sm%desc_data,info,work=aux,data=psb_comm_ext_) if(info /= psb_success_) then info=psb_err_from_subroutine_ ch_err='psb_halo' goto 9999 end if case(psb_avg_) ! ! Tricky one: first we have to scale the overlap entries, ! which we can do by assignind mode=0, i.e. no communication ! (hence only scaling), then we do the halo ! call psb_ovrl(tx,sm%desc_data,info,& & update=psb_avg_,work=aux,mode=0) if(info /= psb_success_) then info=psb_err_from_subroutine_ ch_err='psb_ovrl' goto 9999 end if call psb_halo(tx,sm%desc_data,info,work=aux,data=psb_comm_ext_) if(info /= psb_success_) then info=psb_err_from_subroutine_ ch_err='psb_halo' goto 9999 end if case default call psb_errpush(psb_err_internal_error_,name,a_err='Invalid mld_sub_prol_') goto 9999 end select case default info=psb_err_iarg_invalid_i_ int_err(1)=6 ch_err(2:2)=trans goto 9999 end select ! ! Compute Y(j+1) = D^(-1)*(X-ND*Y(j)), where D and ND are the ! block diagonal part and the remaining part of the local matrix ! and Y(j) is the approximate solution at sweep j. ! ww(1:n_row) = tx(1:n_row) call psb_spmm(-sone,sm%nd,ty,sone,ww,sm%desc_data,info,work=aux,trans=trans_) if (info /= psb_success_) exit call sm%sv%apply(sone,ww,szero,ty,sm%desc_data,trans_,aux,info) if (info /= psb_success_) exit select case(trans_) case('N') select case (sm%prol) case(psb_none_) ! ! Would work anyway, but since it is supposed to do nothing ... ! call psb_ovrl(ty,sm%desc_data,info,& ! & update=sm%prol,work=aux) case(psb_sum_,psb_avg_) ! ! Update the overlap of ty ! call psb_ovrl(ty,sm%desc_data,info,& & update=sm%prol,work=aux) if(info /= psb_success_) then info=psb_err_from_subroutine_ ch_err='psb_ovrl' goto 9999 end if case default call psb_errpush(psb_err_internal_error_,name,a_err='Invalid mld_sub_prol_') goto 9999 end select case('T','C') ! ! With transpose, we have to do it here ! if (sm%restr == psb_halo_) then call psb_ovrl(ty,sm%desc_data,info,& & update=psb_sum_,work=aux) if(info /= psb_success_) then info=psb_err_from_subroutine_ ch_err='psb_ovrl' goto 9999 end if else if (sm%restr /= psb_none_) then call psb_errpush(psb_err_internal_error_,name,a_err='Invalid mld_sub_restr_') goto 9999 end if case default info=psb_err_iarg_invalid_i_ int_err(1)=6 ch_err(2:2)=trans goto 9999 end select end do if (info /= psb_success_) then info=psb_err_internal_error_ call psb_errpush(info,name,a_err='subsolve with Jacobi sweeps > 1') goto 9999 end if else info = psb_err_iarg_neg_ call psb_errpush(info,name,& & i_err=(/2,sweeps,0,0,0/)) goto 9999 end if ! ! Compute y = beta*y + alpha*ty (ty == K^(-1)*tx) ! call psb_geaxpby(alpha,ty,beta,y,desc_data,info) end if if ((6*isz) <= size(work)) then else if ((4*isz) <= size(work)) then deallocate(ww,tx,ty) else if ((3*isz) <= size(work)) then deallocate(aux) else deallocate(ww,aux,tx,ty) endif call psb_erractionrestore(err_act) return 9999 continue call psb_erractionrestore(err_act) if (err_act == psb_act_abort_) then call psb_error() return end if return end subroutine s_as_smoother_apply subroutine s_as_smoother_bld(a,desc_a,sm,upd,info) use psb_base_mod Implicit None ! Arguments type(psb_sspmat_type), intent(in), target :: a Type(psb_desc_type), Intent(in) :: desc_a class(mld_s_as_smoother_type), intent(inout) :: sm character, intent(in) :: upd integer, intent(out) :: info ! Local variables type(psb_sspmat_type) :: blck, atmp integer :: n_row,n_col, nrow_a, nhalo, novr, data_, nzeros real(psb_spk_), pointer :: ww(:), aux(:), tx(:),ty(:) integer :: ictxt,np,me,i, err_act, debug_unit, debug_level character(len=20) :: name='s_as_smoother_bld', ch_err info=psb_success_ call psb_erractionsave(err_act) debug_unit = psb_get_debug_unit() debug_level = psb_get_debug_level() ictxt = desc_a%get_context() call psb_info(ictxt, me, np) if (debug_level >= psb_debug_outer_) & & write(debug_unit,*) me,' ',trim(name),' start' novr = sm%novr if (novr < 0) then info=psb_err_invalid_ovr_num_ call psb_errpush(info,name,i_err=(/novr,0,0,0,0,0/)) goto 9999 endif if ((novr == 0).or.(np == 1)) then if (psb_toupper(upd) == 'F') then call psb_cdcpy(desc_a,sm%desc_data,info) If(debug_level >= psb_debug_outer_) & & write(debug_unit,*) me,' ',trim(name),& & ' done cdcpy' if(info /= psb_success_) then info=psb_err_from_subroutine_ ch_err='psb_cdcpy' call psb_errpush(info,name,a_err=ch_err) goto 9999 end if if (debug_level >= psb_debug_outer_) & & write(debug_unit,*) me,' ',trim(name),& & 'Early return: P>=3 N_OVR=0' endif call blck%csall(0,0,info,1) else If (psb_toupper(upd) == 'F') Then ! ! Build the auxiliary descriptor desc_p%matrix_data(psb_n_row_). ! This is done by psb_cdbldext (interface to psb_cdovr), which is ! independent of CSR, and has been placed in the tools directory ! of PSBLAS, instead of the mlprec directory of MLD2P4, because it ! might be used independently of the AS preconditioner, to build ! a descriptor for an extended stencil in a PDE solver. ! call psb_cdbldext(a,desc_a,novr,sm%desc_data,info,extype=psb_ovt_asov_) if(debug_level >= psb_debug_outer_) & & write(debug_unit,*) me,' ',trim(name),& & ' From cdbldext _:',sm%desc_data%get_local_rows(),& & sm%desc_data%get_local_cols() if (info /= psb_success_) then info=psb_err_from_subroutine_ ch_err='psb_cdbldext' call psb_errpush(info,name,a_err=ch_err) goto 9999 end if Endif if (debug_level >= psb_debug_outer_) & & write(debug_unit,*) me,' ',trim(name),& & 'Before sphalo ' ! ! Retrieve the remote sparse matrix rows required for the AS extended ! matrix data_ = psb_comm_ext_ Call psb_sphalo(a,sm%desc_data,blck,info,data=data_,rowscale=.true.) if (info /= psb_success_) then info=psb_err_from_subroutine_ ch_err='psb_sphalo' call psb_errpush(info,name,a_err=ch_err) goto 9999 end if if (debug_level >=psb_debug_outer_) & & write(debug_unit,*) me,' ',trim(name),& & 'After psb_sphalo ',& & blck%get_nrows(), blck%get_nzeros() End if if (info == psb_success_) & & call sm%sv%build(a,sm%desc_data,upd,info,blck) nrow_a = a%get_nrows() n_row = sm%desc_data%get_local_rows() n_col = sm%desc_data%get_local_cols() if (info == psb_success_) call a%csclip(sm%nd,info,& & jmin=nrow_a+1,rscale=.false.,cscale=.false.) if (info == psb_success_) call blck%csclip(atmp,info,& & jmin=nrow_a+1,rscale=.false.,cscale=.false.) if (info == psb_success_) call psb_rwextd(n_row,sm%nd,info,b=atmp) if (info == psb_success_) call sm%nd%cscnv(info,& & type='csr',dupl=psb_dupl_add_) if (info /= psb_success_) then call psb_errpush(psb_err_from_subroutine_,name,a_err='clip & psb_spcnv csr 4') goto 9999 end if nzeros = sm%nd%get_nzeros() !!$ write(0,*) me,' ND nzeors ',nzeros call psb_sum(ictxt,nzeros) sm%nd_nnz_tot = nzeros if (debug_level >= psb_debug_outer_) & & write(debug_unit,*) me,' ',trim(name),' end' call psb_erractionrestore(err_act) return 9999 continue call psb_erractionrestore(err_act) if (err_act == psb_act_abort_) then call psb_error() return end if return end subroutine s_as_smoother_bld subroutine s_as_smoother_seti(sm,what,val,info) use psb_base_mod Implicit None ! Arguments class(mld_s_as_smoother_type), intent(inout) :: sm integer, intent(in) :: what integer, intent(in) :: val integer, intent(out) :: info Integer :: err_act character(len=20) :: name='s_as_smoother_seti' info = psb_success_ call psb_erractionsave(err_act) select case(what) !!$ case(mld_smoother_sweeps_) !!$ sm%sweeps = val case(mld_sub_ovr_) sm%novr = val case(mld_sub_restr_) sm%restr = val case(mld_sub_prol_) sm%prol = val case default if (allocated(sm%sv)) then call sm%sv%set(what,val,info) end if end select call psb_erractionrestore(err_act) return 9999 continue call psb_erractionrestore(err_act) if (err_act == psb_act_abort_) then call psb_error() return end if return end subroutine s_as_smoother_seti subroutine s_as_smoother_setc(sm,what,val,info) use psb_base_mod Implicit None ! Arguments class(mld_s_as_smoother_type), intent(inout) :: sm integer, intent(in) :: what character(len=*), intent(in) :: val integer, intent(out) :: info Integer :: err_act, ival character(len=20) :: name='s_as_smoother_setc' info = psb_success_ call psb_erractionsave(err_act) call mld_stringval(val,ival,info) if (info == psb_success_) call sm%set(what,ival,info) if (info /= psb_success_) then info = psb_err_from_subroutine_ call psb_errpush(info, name) goto 9999 end if call psb_erractionrestore(err_act) return 9999 continue call psb_erractionrestore(err_act) if (err_act == psb_act_abort_) then call psb_error() return end if return end subroutine s_as_smoother_setc subroutine s_as_smoother_setr(sm,what,val,info) use psb_base_mod Implicit None ! Arguments class(mld_s_as_smoother_type), intent(inout) :: sm integer, intent(in) :: what real(psb_spk_), intent(in) :: val integer, intent(out) :: info Integer :: err_act character(len=20) :: name='s_as_smoother_setr' call psb_erractionsave(err_act) info = psb_success_ if (allocated(sm%sv)) then call sm%sv%set(what,val,info) else !!$ write(0,*) trim(name),' Missing component, not setting!' !!$ info = 1121 end if call psb_erractionrestore(err_act) return 9999 continue call psb_erractionrestore(err_act) if (err_act == psb_act_abort_) then call psb_error() return end if return end subroutine s_as_smoother_setr subroutine s_as_smoother_free(sm,info) use psb_base_mod Implicit None ! Arguments class(mld_s_as_smoother_type), intent(inout) :: sm integer, intent(out) :: info Integer :: err_act character(len=20) :: name='s_as_smoother_free' call psb_erractionsave(err_act) info = psb_success_ if (allocated(sm%sv)) then call sm%sv%free(info) if (info == psb_success_) deallocate(sm%sv,stat=info) if (info /= psb_success_) then info = psb_err_alloc_dealloc_ call psb_errpush(info,name) goto 9999 end if end if call sm%nd%free() call psb_erractionrestore(err_act) return 9999 continue call psb_erractionrestore(err_act) if (err_act == psb_act_abort_) then call psb_error() return end if return end subroutine s_as_smoother_free subroutine s_as_smoother_descr(sm,info,iout,coarse) use psb_base_mod Implicit None ! Arguments class(mld_s_as_smoother_type), intent(in) :: sm integer, intent(out) :: info integer, intent(in), optional :: iout logical, intent(in), optional :: coarse ! Local variables integer :: err_act integer :: ictxt, me, np character(len=20), parameter :: name='mld_s_as_smoother_descr' integer :: iout_ logical :: coarse_ call psb_erractionsave(err_act) info = psb_success_ if (present(coarse)) then coarse_ = coarse else coarse_ = .false. end if if (present(iout)) then iout_ = iout else iout_ = 6 endif if (.not.coarse_) then write(iout_,*) ' Additive Schwarz with ',& & sm%novr, ' overlap layers.' write(iout_,*) ' Restrictor: ',restrict_names(sm%restr) write(iout_,*) ' Prolongator: ',prolong_names(sm%prol) write(iout_,*) ' Local solver:' endif if (allocated(sm%sv)) then call sm%sv%descr(info,iout_,coarse=coarse) end if call psb_erractionrestore(err_act) return 9999 continue call psb_erractionrestore(err_act) if (err_act == psb_act_abort_) then call psb_error() return end if return end subroutine s_as_smoother_descr function s_as_smoother_sizeof(sm) result(val) use psb_base_mod implicit none ! Arguments class(mld_s_as_smoother_type), intent(in) :: sm integer(psb_long_int_k_) :: val integer :: i val = psb_sizeof_int if (allocated(sm%sv)) val = val + sm%sv%sizeof() val = val + sm%nd%sizeof() return end function s_as_smoother_sizeof subroutine s_as_smoother_dmp(sm,ictxt,level,info,prefix,head,smoother,solver) use psb_base_mod implicit none class(mld_s_as_smoother_type), intent(in) :: sm integer, intent(in) :: ictxt,level integer, intent(out) :: info character(len=*), intent(in), optional :: prefix, head logical, optional, intent(in) :: smoother, solver integer :: i, j, il1, iln, lname, lev integer :: icontxt,iam, np character(len=80) :: prefix_ character(len=120) :: fname ! len should be at least 20 more than logical :: smoother_ ! len of prefix_ info = 0 if (present(prefix)) then prefix_ = trim(prefix(1:min(len(prefix),len(prefix_)))) else prefix_ = "dump_smth_s" end if call psb_info(ictxt,iam,np) if (present(smoother)) then smoother_ = smoother else smoother_ = .false. end if lname = len_trim(prefix_) fname = trim(prefix_) write(fname(lname+1:lname+5),'(a,i3.3)') '_p',iam lname = lname + 5 if (smoother_) then write(fname(lname+1:),'(a,i3.3,a)')'_l',level,'_nd.mtx' if (sm%nd%is_asb()) & & call sm%nd%print(fname,head=head) end if ! At base level do nothing for the smoother if (allocated(sm%sv)) & & call sm%sv%dump(ictxt,level,info,solver=solver) end subroutine s_as_smoother_dmp end module mld_s_as_smoother