diff --git a/mlprec/Makefile b/mlprec/Makefile index cea88400..1196fca5 100644 --- a/mlprec/Makefile +++ b/mlprec/Makefile @@ -8,7 +8,8 @@ FINCLUDES=$(FMFLAG). $(FMFLAG)$(LIBDIR) $(FMFLAG)$(PSBLIBDIR) MODOBJS=mld_base_prec_type.o \ mld_s_prec_type.o mld_d_prec_type.o mld_c_prec_type.o mld_z_prec_type.o \ - mld_prec_type.o mld_prec_mod.o mld_inner_mod.o mld_move_alloc_mod.o + mld_prec_type.o mld_prec_mod.o mld_inner_mod.o mld_move_alloc_mod.o\ + mld_d_ilu_solver.o mld_d_diag_solver.o mld_d_jac_smoother.o mld_d_as_smoother.o MPFOBJS=mld_daggrmat_nosmth_asb.o mld_daggrmat_smth_asb.o mld_daggrmat_minnrg_asb.o MPCOBJS=mld_sslud_interface.o mld_dslud_interface.o mld_cslud_interface.o mld_zslud_interface.o INNEROBJS= mld_dcoarse_bld.o \ @@ -79,7 +80,8 @@ OBJS=$(F90OBJS) $(COBJS) $(MPFOBJS) $(MPCOBJS) $(MODOBJS) LIBMOD=mld_prec_mod$(.mod) LOCAL_MODS=$(LIBMOD) mld_prec_type$(.mod) mld_inner_mod$(.mod) mld_move_alloc_mod$(.mod) \ mld_base_prec_type$(.mod) mld_s_prec_type$(.mod) mld_d_prec_type$(.mod)\ - mld_c_prec_type$(.mod) mld_z_prec_type$(.mod) + mld_c_prec_type$(.mod) mld_z_prec_type$(.mod) mld_d_as_smoother$(.mod) \ + mld_d_jac_smoother$(.mod) mld_d_diag_solver$(.mod) mld_d_ilu_solver$(.mod) LIBNAME=libmld_prec.a lib: mpobjs $(OBJS) @@ -94,6 +96,9 @@ mld_prec_type.o: mld_s_prec_type.o mld_d_prec_type.o mld_c_prec_type.o mld_z_pre mld_prec_mod.o mld_innner_mod.o: mld_prec_type.o mld_inner_mod.o: mld_move_alloc_mod.o mld_move_alloc_mod.o: mld_prec_type.o +mld_d_diag_solver.o mld_d_ilu_solver.o: mld_d_prec_type.o +mld_d_as_smoother.o mld_d_jac_smoother.o: mld_d_prec_type.o +mld_d_jac_smoother.o: mld_d_diag_solver.o $(MODOBJS): $(PSBLIBDIR)/psb_base_mod$(.mod) diff --git a/mlprec/mld_base_prec_type.f90 b/mlprec/mld_base_prec_type.f90 index 6f76b428..ae6319c4 100644 --- a/mlprec/mld_base_prec_type.f90 +++ b/mlprec/mld_base_prec_type.f90 @@ -323,7 +323,7 @@ contains val = mld_diag_ case('BJAC') val = mld_bjac_ - case('PJAC') + case('PJAC', 'JACOBI') val = mld_pjac_ case('AS') val = mld_as_ diff --git a/mlprec/mld_d_as_smoother.f03 b/mlprec/mld_d_as_smoother.f03 new file mode 100644 index 00000000..83b19156 --- /dev/null +++ b/mlprec/mld_d_as_smoother.f03 @@ -0,0 +1,766 @@ +!!$ +!!$ +!!$ MLD2P4 version 2.0 +!!$ MultiLevel Domain Decomposition Parallel Preconditioners Package +!!$ based on PSBLAS (Parallel Sparse BLAS version 3.0) +!!$ +!!$ (C) Copyright 2008,2009, 2010 +!!$ +!!$ Salvatore Filippone University of Rome Tor Vergata +!!$ Alfredo Buttari University of Rome Tor Vergata +!!$ 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_d_as_smoother + + use mld_d_prec_type + + type, extends(mld_d_base_smoother_type) :: mld_d_as_smoother_type + ! The local solver component is inherited from the + ! parent type. + ! class(mld_d_base_solver_type), allocatable :: sv + ! + type(psb_d_sparse_mat) :: nd + type(psb_desc_type) :: desc_data + integer :: novr, sweeps, restr, prol + contains + procedure, pass(sm) :: build => d_as_smoother_bld + procedure, pass(sm) :: apply => d_as_smoother_apply + procedure, pass(sm) :: free => d_as_smoother_free + procedure, pass(sm) :: seti => d_as_smoother_seti + procedure, pass(sm) :: setc => d_as_smoother_setc + procedure, pass(sm) :: setr => d_as_smoother_setr + procedure, pass(sm) :: descr => d_as_smoother_descr + procedure, pass(sm) :: sizeof => d_as_smoother_sizeof + end type mld_d_as_smoother_type + + + private :: d_as_smoother_bld, d_as_smoother_apply, & + & d_as_smoother_free, d_as_smoother_seti, & + & d_as_smoother_setc, d_as_smoother_setr,& + & d_as_smoother_descr, d_as_smoother_sizeof + + + +contains + + subroutine d_as_smoother_apply(alpha,sm,x,beta,y,desc_data,trans,work,info) + use psb_base_mod + type(psb_desc_type), intent(in) :: desc_data + class(mld_d_as_smoother_type), intent(in) :: sm + real(psb_dpk_),intent(in) :: x(:) + real(psb_dpk_),intent(inout) :: y(:) + real(psb_dpk_),intent(in) :: alpha,beta + character(len=1),intent(in) :: trans + real(psb_dpk_),target, intent(inout) :: work(:) + integer, intent(out) :: info + + integer :: n_row,n_col, nrow_d, i + real(psb_dpk_), pointer :: ww(:), aux(:), tx(:),ty(:) + integer :: ictxt,np,me, err_act,isz,int_err(5) + character :: trans_ + character(len=20) :: name='d_as_smoother_apply', ch_err + + call psb_erractionsave(err_act) + + info = 0 + + trans_ = psb_toupper(trans) + select case(trans_) + case('N') + case('T','C') + case default + call psb_errpush(40,name) + goto 9999 + end select + + if (.not.allocated(sm%sv)) then + info = 1121 + call psb_errpush(info,name) + goto 9999 + end if + + n_row = psb_cd_get_local_rows(sm%desc_data) + n_col = psb_cd_get_local_cols(sm%desc_data) + nrow_d = psb_cd_get_local_rows(desc_data) + 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 /= 0) then + call psb_errpush(4025,name,i_err=(/3*isz,0,0,0,0/),& + & a_err='real(psb_dpk_)') + 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 /= 0) then + call psb_errpush(4025,name,i_err=(/4*isz,0,0,0,0/),& + & a_err='real(psb_dpk_)') + goto 9999 + end if + else + allocate(ww(isz),tx(isz),ty(isz),& + &aux(4*isz),stat=info) + if (info /= 0) then + call psb_errpush(4025,name,i_err=(/4*isz,0,0,0,0/),& + & a_err='real(psb_dpk_)') + goto 9999 + end if + + endif + + tx(1:nrow_d) = x(1:nrow_d) + tx(nrow_d+1:isz) = dzero + + + if (sm%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 /=0) then + info=4010 + ch_err='psb_halo' + goto 9999 + end if + else if (sm%restr /= psb_none_) then + call psb_errpush(4001,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 /=0) then + info=4010 + 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 /=0) then + info=4010 + ch_err='psb_ovrl' + goto 9999 + end if + call psb_halo(tx,sm%desc_data,info,work=aux,data=psb_comm_ext_) + if(info /=0) then + info=4010 + ch_err='psb_halo' + goto 9999 + end if + + case default + call psb_errpush(4001,name,a_err='Invalid mld_sub_prol_') + goto 9999 + end select + + + case default + info=40 + int_err(1)=6 + ch_err(2:2)=trans + goto 9999 + end select + + + call sm%sv%apply(done,tx,dzero,ty,sm%desc_data,trans_,aux,info) + + if (info /= 0) then + call psb_errpush(4001,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 /=0) then + info=4010 + ch_err='psb_ovrl' + goto 9999 + end if + + case default + call psb_errpush(4001,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 /=0) then + info=4010 + ch_err='psb_ovrl' + goto 9999 + end if + else if (sm%restr /= psb_none_) then + call psb_errpush(4001,name,a_err='Invalid mld_sub_restr_') + goto 9999 + end if + + case default + info=40 + int_err(1)=6 + ch_err(2:2)=trans + goto 9999 + end select + + + + else if (sm%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 = dzero + do i=1, sm%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 /=0) then + info=4010 + ch_err='psb_halo' + goto 9999 + end if + else if (sm%restr /= psb_none_) then + call psb_errpush(4001,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 /=0) then + info=4010 + 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 /=0) then + info=4010 + ch_err='psb_ovrl' + goto 9999 + end if + call psb_halo(tx,sm%desc_data,info,work=aux,data=psb_comm_ext_) + if(info /=0) then + info=4010 + ch_err='psb_halo' + goto 9999 + end if + + case default + call psb_errpush(4001,name,a_err='Invalid mld_sub_prol_') + goto 9999 + end select + + + case default + info=40 + 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(-done,sm%nd,tx,done,ww,sm%desc_data,info,work=aux,trans=trans_) + + if (info /=0) exit + + call sm%sv%apply(done,ww,dzero,ty,sm%desc_data,trans_,aux,info) + + if (info /=0) 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 /=0) then + info=4010 + ch_err='psb_ovrl' + goto 9999 + end if + + case default + call psb_errpush(4001,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 /=0) then + info=4010 + ch_err='psb_ovrl' + goto 9999 + end if + else if (sm%restr /= psb_none_) then + call psb_errpush(4001,name,a_err='Invalid mld_sub_restr_') + goto 9999 + end if + + case default + info=40 + int_err(1)=6 + ch_err(2:2)=trans + goto 9999 + end select + end do + + if (info /= 0) then + info=4001 + call psb_errpush(info,name,a_err='subsolve with Jacobi sweeps > 1') + goto 9999 + end if + + + else + + info = 10 + call psb_errpush(info,name,& + & i_err=(/2,sm%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) + + + 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 d_as_smoother_apply + + subroutine d_as_smoother_bld(a,desc_a,sm,upd,info,b) + + use psb_base_mod + + Implicit None + + ! Arguments + type(psb_d_sparse_mat), intent(in), target :: a + Type(psb_desc_type), Intent(in) :: desc_a + class(mld_d_as_smoother_type), intent(inout) :: sm + character, intent(in) :: upd + integer, intent(out) :: info + type(psb_d_sparse_mat), intent(in), target, optional :: b + ! Local variables + integer :: n_row,n_col, nrow_a, nztota + real(psb_dpk_), pointer :: ww(:), aux(:), tx(:),ty(:) + integer :: ictxt,np,me,i, err_act, debug_unit, debug_level + character(len=20) :: name='d_as_smoother_bld', ch_err + + info=0 + call psb_erractionsave(err_act) + debug_unit = psb_get_debug_unit() + debug_level = psb_get_debug_level() + ictxt = psb_cd_get_context(desc_a) + call psb_info(ictxt, me, np) + if (debug_level >= psb_debug_outer_) & + & write(debug_unit,*) me,' ',trim(name),' start' + + + n_row = psb_cd_get_local_rows(desc_a) + + nrow_a = a%get_nrows() + nztota = a%get_nzeros() + call a%csclip(sm%nd,info,& + & jmin=nrow_a+1,rscale=.false.,cscale=.false.) + if (info == 0) call sm%nd%cscnv(info,& + & type='csr',dupl=psb_dupl_add_) + if (info == 0) & + & call sm%sv%build(a,desc_a,upd,info,b) + + if (info /= 0) then + call psb_errpush(4010,name,a_err='clip & psb_spcnv csr 4') + goto 9999 + end if + + 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 d_as_smoother_bld + + + subroutine d_as_smoother_seti(sm,what,val,info) + + use psb_base_mod + + Implicit None + + ! Arguments + class(mld_d_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='d_as_smoother_seti' + + info = 0 + call psb_erractionsave(err_act) + + select case(what) + case(mld_smoother_sweeps_) + sm%sweeps = val + case default + 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 + 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 d_as_smoother_seti + + subroutine d_as_smoother_setc(sm,what,val,info) + + use psb_base_mod + + Implicit None + + ! Arguments + class(mld_d_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='d_as_smoother_setc' + + info = 0 + call psb_erractionsave(err_act) + + + call mld_stringval(val,ival,info) + if (info == 0) call sm%set(what,ival,info) + if (info /= 0) then + info = 4010 + 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 d_as_smoother_setc + + subroutine d_as_smoother_setr(sm,what,val,info) + + use psb_base_mod + + Implicit None + + ! Arguments + class(mld_d_as_smoother_type), intent(inout) :: sm + integer, intent(in) :: what + real(psb_dpk_), intent(in) :: val + integer, intent(out) :: info + Integer :: err_act + character(len=20) :: name='d_as_smoother_setr' + + call psb_erractionsave(err_act) + info = 0 + + + 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 d_as_smoother_setr + + subroutine d_as_smoother_free(sm,info) + + use psb_base_mod + + Implicit None + + ! Arguments + class(mld_d_as_smoother_type), intent(inout) :: sm + integer, intent(out) :: info + Integer :: err_act + character(len=20) :: name='d_as_smoother_free' + + call psb_erractionsave(err_act) + info = 0 + + + + if (allocated(sm%sv)) then + call sm%sv%free(info) + if (info == 0) deallocate(sm%sv,stat=info) + if (info /= 0) then + info = 4000 + 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 d_as_smoother_free + + subroutine d_as_smoother_descr(sm,info,iout) + + use psb_base_mod + + Implicit None + + ! Arguments + class(mld_d_as_smoother_type), intent(inout) :: sm + integer, intent(out) :: info + integer, intent(in), optional :: iout + + ! Local variables + integer :: err_act + integer :: ictxt, me, np + character(len=20), parameter :: name='mld_d_as_smoother_descr' + integer :: iout_ + + call psb_erractionsave(err_act) + info = 0 + if (present(iout)) then + iout_ = iout + else + iout_ = 6 + endif + + write(iout_,*) ' Block Jacobi smoother with ',& + & sm%sweeps,' sweeps.' + write(iout_,*) ' Local solver:' + if (allocated(sm%sv)) then + call sm%sv%descr(info,iout_) + 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 d_as_smoother_descr + + function d_as_smoother_sizeof(sm) result(val) + use psb_base_mod + implicit none + ! Arguments + class(mld_d_as_smoother_type), intent(inout) :: 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 d_as_smoother_sizeof + +end module mld_d_as_smoother diff --git a/mlprec/mld_d_diag_solver.f03 b/mlprec/mld_d_diag_solver.f03 new file mode 100644 index 00000000..970feda4 --- /dev/null +++ b/mlprec/mld_d_diag_solver.f03 @@ -0,0 +1,466 @@ +!!$ +!!$ +!!$ MLD2P4 version 2.0 +!!$ MultiLevel Domain Decomposition Parallel Preconditioners Package +!!$ based on PSBLAS (Parallel Sparse BLAS version 3.0) +!!$ +!!$ (C) Copyright 2008,2009, 2010 +!!$ +!!$ Salvatore Filippone University of Rome Tor Vergata +!!$ Alfredo Buttari University of Rome Tor Vergata +!!$ 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_d_diag_solver + + use mld_d_prec_type + + type, extends(mld_d_base_solver_type) :: mld_d_diag_solver_type + real(psb_dpk_), allocatable :: d(:) + contains + procedure, pass(sv) :: build => d_diag_solver_bld + procedure, pass(sv) :: apply => d_diag_solver_apply + procedure, pass(sv) :: free => d_diag_solver_free + procedure, pass(sv) :: seti => d_diag_solver_seti + procedure, pass(sv) :: setc => d_diag_solver_setc + procedure, pass(sv) :: setr => d_diag_solver_setr + procedure, pass(sv) :: descr => d_diag_solver_descr + procedure, pass(sv) :: sizeof => d_diag_solver_sizeof + end type mld_d_diag_solver_type + + + private :: d_diag_solver_bld, d_diag_solver_apply, & + & d_diag_solver_free, d_diag_solver_seti, & + & d_diag_solver_setc, d_diag_solver_setr,& + & d_diag_solver_descr, d_diag_solver_sizeof + + +contains + + subroutine d_diag_solver_apply(alpha,sv,x,beta,y,desc_data,trans,work,info) + use psb_base_mod + type(psb_desc_type), intent(in) :: desc_data + class(mld_d_diag_solver_type), intent(in) :: sv + real(psb_dpk_),intent(in) :: x(:) + real(psb_dpk_),intent(inout) :: y(:) + real(psb_dpk_),intent(in) :: alpha,beta + character(len=1),intent(in) :: trans + real(psb_dpk_),target, intent(inout) :: work(:) + integer, intent(out) :: info + + integer :: n_row,n_col + real(psb_dpk_), pointer :: ww(:), aux(:), tx(:),ty(:) + integer :: ictxt,np,me,i, err_act + character :: trans_ + character(len=20) :: name='d_diag_solver_apply' + + call psb_erractionsave(err_act) + + info = 0 + + trans_ = psb_toupper(trans) + select case(trans_) + case('N') + case('T','C') + case default + call psb_errpush(40,name) + goto 9999 + end select + + n_row = psb_cd_get_local_rows(desc_data) + n_col = psb_cd_get_local_cols(desc_data) + + if (beta == dzero) then + + if (alpha == dzero) then + y(1:n_row) = dzero + else if (alpha == done) then + do i=1, n_row + y(i) = sv%d(i) * x(i) + end do + else if (alpha == -done) then + do i=1, n_row + y(i) = -sv%d(i) * x(i) + end do + else + do i=1, n_row + y(i) = alpha * sv%d(i) * x(i) + end do + end if + + else if (beta == done) then + + if (alpha == dzero) then + !y(1:n_row) = dzero + else if (alpha == done) then + do i=1, n_row + y(i) = sv%d(i) * x(i) + y(i) + end do + else if (alpha == -done) then + do i=1, n_row + y(i) = -sv%d(i) * x(i) + y(i) + end do + else + do i=1, n_row + y(i) = alpha * sv%d(i) * x(i) + y(i) + end do + end if + + else if (beta == -done) then + + if (alpha == dzero) then + y(1:n_row) = -y(1:n_row) + else if (alpha == done) then + do i=1, n_row + y(i) = sv%d(i) * x(i) - y(i) + end do + else if (alpha == -done) then + do i=1, n_row + y(i) = -sv%d(i) * x(i) - y(i) + end do + else + do i=1, n_row + y(i) = alpha * sv%d(i) * x(i) - y(i) + end do + end if + + else + + if (alpha == dzero) then + y(1:n_row) = beta *y(1:n_row) + else if (alpha == done) then + do i=1, n_row + y(i) = sv%d(i) * x(i) + beta*y(i) + end do + else if (alpha == -done) then + do i=1, n_row + y(i) = -sv%d(i) * x(i) + beta*y(i) + end do + else + do i=1, n_row + y(i) = alpha * sv%d(i) * x(i) + beta*y(i) + end do + end if + + 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 d_diag_solver_apply + + subroutine d_diag_solver_bld(a,desc_a,sv,upd,info,b) + + use psb_base_mod + + Implicit None + + ! Arguments + type(psb_d_sparse_mat), intent(in), target :: a + Type(psb_desc_type), Intent(in) :: desc_a + class(mld_d_diag_solver_type), intent(inout) :: sv + character, intent(in) :: upd + integer, intent(out) :: info + type(psb_d_sparse_mat), intent(in), target, optional :: b + ! Local variables + integer :: n_row,n_col, nrow_a, nztota + real(psb_dpk_), pointer :: ww(:), aux(:), tx(:),ty(:) + integer :: ictxt,np,me,i, err_act, debug_unit, debug_level + character(len=20) :: name='d_diag_solver_bld', ch_err + + info=0 + call psb_erractionsave(err_act) + debug_unit = psb_get_debug_unit() + debug_level = psb_get_debug_level() + ictxt = psb_cd_get_context(desc_a) + call psb_info(ictxt, me, np) + if (debug_level >= psb_debug_outer_) & + & write(debug_unit,*) me,' ',trim(name),' start' + + + n_row = psb_cd_get_local_rows(desc_a) + nrow_a = a%get_nrows() + if (allocated(sv%d)) then + if (size(sv%d) < n_row) then + deallocate(sv%d) + endif + endif + if (.not.allocated(sv%d)) then + allocate(sv%d(n_row),stat=info) + if (info /= 0) then + call psb_errpush(4010,name,a_err='Allocate') + goto 9999 + end if + + endif + + call a%get_diag(sv%d,info) + if (present(b)) then + if (info ==0) call b%get_diag(sv%d(nrow_a+1:), info) + end if + if (info /= 0) then + call psb_errpush(4010,name,a_err='get_diag') + goto 9999 + end if + + do i=1,n_row + if (sv%d(i) == dzero) then + sv%d(i) = done + else + sv%d(i) = done/sv%d(i) + end if + end do + + + 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 d_diag_solver_bld + + + subroutine d_diag_solver_seti(sv,what,val,info) + + use psb_base_mod + + Implicit None + + ! Arguments + class(mld_d_diag_solver_type), intent(inout) :: sv + integer, intent(in) :: what + integer, intent(in) :: val + integer, intent(out) :: info + Integer :: err_act + character(len=20) :: name='d_diag_solver_seti' + + info = 0 +!!$ call psb_erractionsave(err_act) +!!$ +!!$ select case(what) +!!$ case(mld_sub_solve_) +!!$ sv%fact_type = val +!!$ case(mld_sub_fillin_) +!!$ sv%fill_in = val +!!$ case default +!!$ write(0,*) name,': Error: invalid WHAT' +!!$ info = -2 +!!$ 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 d_diag_solver_seti + + subroutine d_diag_solver_setc(sv,what,val,info) + + use psb_base_mod + + Implicit None + + ! Arguments + class(mld_d_diag_solver_type), intent(inout) :: sv + integer, intent(in) :: what + character(len=*), intent(in) :: val + integer, intent(out) :: info + Integer :: err_act, ival + character(len=20) :: name='d_diag_solver_setc' + + info = 0 +!!$ call psb_erractionsave(err_act) +!!$ +!!$ +!!$ call mld_stringval(val,ival,info) +!!$ if (info == 0) call sv%set(what,ival,info) +!!$ if (info /= 0) then +!!$ info = 4010 +!!$ 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 d_diag_solver_setc + + subroutine d_diag_solver_setr(sv,what,val,info) + + use psb_base_mod + + Implicit None + + ! Arguments + class(mld_d_diag_solver_type), intent(inout) :: sv + integer, intent(in) :: what + real(psb_dpk_), intent(in) :: val + integer, intent(out) :: info + Integer :: err_act + character(len=20) :: name='d_diag_solver_setr' + + info = 0 +!!$ call psb_erractionsave(err_act) +!!$ +!!$ select case(what) +!!$ case(mld_sub_iluthrs_) +!!$ sv%thresh = val +!!$ case default +!!$ write(0,*) name,': Error: invalid WHAT' +!!$ info = -2 +!!$ goto 9999 +!!$ 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 d_diag_solver_setr + + subroutine d_diag_solver_free(sv,info) + + use psb_base_mod + + Implicit None + + ! Arguments + class(mld_d_diag_solver_type), intent(inout) :: sv + integer, intent(out) :: info + Integer :: err_act + character(len=20) :: name='d_diag_solver_free' + + call psb_erractionsave(err_act) + info = 0 + + if (allocated(sv%d)) then + deallocate(sv%d,stat=info) + if (info /= 0) then + info = 4000 + call psb_errpush(info,name) + goto 9999 + end if + 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 d_diag_solver_free + + subroutine d_diag_solver_descr(sv,info,iout) + + use psb_base_mod + + Implicit None + + ! Arguments + class(mld_d_diag_solver_type), intent(inout) :: sv + integer, intent(out) :: info + integer, intent(in), optional :: iout + + ! Local variables + integer :: err_act + integer :: ictxt, me, np + character(len=20), parameter :: name='mld_d_diag_solver_descr' + integer :: iout_ + + info = 0 + if (present(iout)) then + iout_ = iout + else + iout_ = 6 + endif + + write(iout_,*) ' Diagonal local solver ' + + return + + end subroutine d_diag_solver_descr + + function d_diag_solver_sizeof(sv) result(val) + use psb_base_mod + implicit none + ! Arguments + class(mld_d_diag_solver_type), intent(inout) :: sv + integer(psb_long_int_k_) :: val + integer :: i + + val = 0 + if (allocated(sv%d)) val = val + psb_sizeof_dp * size(sv%d) + + return + end function d_diag_solver_sizeof + +end module mld_d_diag_solver diff --git a/mlprec/mld_d_ilu_solver.f03 b/mlprec/mld_d_ilu_solver.f03 new file mode 100644 index 00000000..cb59783a --- /dev/null +++ b/mlprec/mld_d_ilu_solver.f03 @@ -0,0 +1,605 @@ +!!$ +!!$ +!!$ MLD2P4 version 2.0 +!!$ MultiLevel Domain Decomposition Parallel Preconditioners Package +!!$ based on PSBLAS (Parallel Sparse BLAS version 3.0) +!!$ +!!$ (C) Copyright 2008,2009, 2010 +!!$ +!!$ Salvatore Filippone University of Rome Tor Vergata +!!$ Alfredo Buttari University of Rome Tor Vergata +!!$ 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_d_ilu_solver + + use mld_d_prec_type + + type, extends(mld_d_base_solver_type) :: mld_d_ilu_solver_type + type(psb_d_sparse_mat) :: l, u + real(psb_dpk_), allocatable :: d(:) + integer :: fact_type, fill_in + real(psb_dpk_) :: thresh + contains + procedure, pass(sv) :: build => d_ilu_solver_bld + procedure, pass(sv) :: apply => d_ilu_solver_apply + procedure, pass(sv) :: free => d_ilu_solver_free + procedure, pass(sv) :: seti => d_ilu_solver_seti + procedure, pass(sv) :: setc => d_ilu_solver_setc + procedure, pass(sv) :: setr => d_ilu_solver_setr + procedure, pass(sv) :: descr => d_ilu_solver_descr + procedure, pass(sv) :: sizeof => d_ilu_solver_sizeof + end type mld_d_ilu_solver_type + + + private :: d_ilu_solver_bld, d_ilu_solver_apply, & + & d_ilu_solver_free, d_ilu_solver_seti, & + & d_ilu_solver_setc, d_ilu_solver_setr,& + & d_ilu_solver_descr, d_ilu_solver_sizeof + + + interface mld_ilu0_fact + subroutine mld_dilu0_fact(ialg,a,l,u,d,info,blck,upd) + use psb_base_mod, only : psb_d_sparse_mat, psb_dpk_ + integer, intent(in) :: ialg + integer, intent(out) :: info + type(psb_d_sparse_mat),intent(in) :: a + type(psb_d_sparse_mat),intent(inout) :: l,u + type(psb_d_sparse_mat),intent(in), optional, target :: blck + character, intent(in), optional :: upd + real(psb_dpk_), intent(inout) :: d(:) + end subroutine mld_dilu0_fact + end interface + + interface mld_iluk_fact + subroutine mld_diluk_fact(fill_in,ialg,a,l,u,d,info,blck) + use psb_base_mod, only : psb_d_sparse_mat, psb_dpk_ + integer, intent(in) :: fill_in,ialg + integer, intent(out) :: info + type(psb_d_sparse_mat),intent(in) :: a + type(psb_d_sparse_mat),intent(inout) :: l,u + type(psb_d_sparse_mat),intent(in), optional, target :: blck + real(psb_dpk_), intent(inout) :: d(:) + end subroutine mld_diluk_fact + end interface + + interface mld_ilut_fact + subroutine mld_dilut_fact(fill_in,thres,a,l,u,d,info,blck) + use psb_base_mod, only : psb_d_sparse_mat, psb_dpk_ + integer, intent(in) :: fill_in + real(psb_dpk_), intent(in) :: thres + integer, intent(out) :: info + type(psb_d_sparse_mat),intent(in) :: a + type(psb_d_sparse_mat),intent(inout) :: l,u + type(psb_d_sparse_mat),intent(in), optional, target :: blck + real(psb_dpk_), intent(inout) :: d(:) + end subroutine mld_dilut_fact + end interface + + character(len=15), parameter, private :: & + & fact_names(0:3)=(/'none ','ILU(n) ',& + & 'MILU(n) ','ILU(t,n) '/) + + +contains + + subroutine d_ilu_solver_apply(alpha,sv,x,beta,y,desc_data,trans,work,info) + use psb_base_mod + type(psb_desc_type), intent(in) :: desc_data + class(mld_d_ilu_solver_type), intent(in) :: sv + real(psb_dpk_),intent(in) :: x(:) + real(psb_dpk_),intent(inout) :: y(:) + real(psb_dpk_),intent(in) :: alpha,beta + character(len=1),intent(in) :: trans + real(psb_dpk_),target, intent(inout) :: work(:) + integer, intent(out) :: info + + integer :: n_row,n_col + real(psb_dpk_), pointer :: ww(:), aux(:), tx(:),ty(:) + integer :: ictxt,np,me,i, err_act + character :: trans_ + character(len=20) :: name='d_ilu_solver_apply' + + call psb_erractionsave(err_act) + + info = 0 + + trans_ = psb_toupper(trans) + select case(trans_) + case('N') + case('T','C') + case default + call psb_errpush(40,name) + goto 9999 + end select + + n_row = psb_cd_get_local_rows(desc_data) + n_col = psb_cd_get_local_cols(desc_data) + + if (n_col <= size(work)) then + ww => work(1:n_col) + if ((4*n_col+n_col) <= size(work)) then + aux => work(n_col+1:) + else + allocate(aux(4*n_col),stat=info) + if (info /= 0) then + info=4025 + call psb_errpush(info,name,i_err=(/4*n_col,0,0,0,0/),& + & a_err='real(psb_dpk_)') + goto 9999 + end if + endif + else + allocate(ww(n_col),aux(4*n_col),stat=info) + if (info /= 0) then + info=4025 + call psb_errpush(info,name,i_err=(/5*n_col,0,0,0,0/),& + & a_err='real(psb_dpk_)') + goto 9999 + end if + endif + + select case(trans_) + case('N') + call psb_spsm(done,sv%l,x,dzero,ww,desc_data,info,& + & trans=trans_,scale='L',diag=sv%d,choice=psb_none_,work=aux) + + if (info == 0) call psb_spsm(alpha,sv%u,ww,beta,y,desc_data,info,& + & trans=trans_,scale='U',choice=psb_none_, work=aux) + + case('T','C') + call psb_spsm(done,sv%u,x,dzero,ww,desc_data,info,& + & trans=trans_,scale='L',diag=sv%d,choice=psb_none_,work=aux) + if (info == 0) call psb_spsm(alpha,sv%l,ww,beta,y,desc_data,info,& + & trans=trans_,scale='U',choice=psb_none_,work=aux) + case default + call psb_errpush(4001,name,a_err='Invalid TRANS in ILU subsolve') + goto 9999 + end select + + + if (info /= 0) then + + call psb_errpush(4001,name,a_err='Error in subsolve') + goto 9999 + endif + + if (n_col <= size(work)) then + if ((4*n_col+n_col) <= size(work)) then + else + deallocate(aux) + endif + else + deallocate(ww,aux) + 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 d_ilu_solver_apply + + subroutine d_ilu_solver_bld(a,desc_a,sv,upd,info,b) + + use psb_base_mod + + Implicit None + + ! Arguments + type(psb_d_sparse_mat), intent(in), target :: a + Type(psb_desc_type), Intent(in) :: desc_a + class(mld_d_ilu_solver_type), intent(inout) :: sv + character, intent(in) :: upd + integer, intent(out) :: info + type(psb_d_sparse_mat), intent(in), target, optional :: b + ! Local variables + integer :: n_row,n_col, nrow_a, nztota + real(psb_dpk_), pointer :: ww(:), aux(:), tx(:),ty(:) + integer :: ictxt,np,me,i, err_act, debug_unit, debug_level + character(len=20) :: name='d_ilu_solver_bld', ch_err + + info=0 + call psb_erractionsave(err_act) + debug_unit = psb_get_debug_unit() + debug_level = psb_get_debug_level() + ictxt = psb_cd_get_context(desc_a) + call psb_info(ictxt, me, np) + if (debug_level >= psb_debug_outer_) & + & write(debug_unit,*) me,' ',trim(name),' start' + + + n_row = psb_cd_get_local_rows(desc_a) + + if (psb_toupper(upd) == 'F') then + nrow_a = a%get_nrows() + nztota = a%get_nzeros() + if (present(b)) then + nztota = nztota + b%get_nzeros() + end if + + call sv%l%csall(n_row,n_row,info,nztota) + if (info == 0) call sv%u%csall(n_row,n_row,info,nztota) + if(info/=0) then + info=4010 + ch_err='psb_sp_all' + call psb_errpush(info,name,a_err=ch_err) + goto 9999 + end if + + if (allocated(sv%d)) then + if (size(sv%d) < n_row) then + deallocate(sv%d) + endif + endif + if (.not.allocated(sv%d)) then + allocate(sv%d(n_row),stat=info) + if (info /= 0) then + call psb_errpush(4010,name,a_err='Allocate') + goto 9999 + end if + + endif + + + select case(sv%fact_type) + + case (mld_ilu_t_) + ! + ! ILU(k,t) + ! + select case(sv%fill_in) + + case(:-1) + ! Error: fill-in <= -1 + call psb_errpush(30,name,i_err=(/3,sv%fill_in,0,0,0/)) + goto 9999 + + case(0:) + ! Fill-in >= 0 + call mld_ilut_fact(sv%fill_in,sv%thresh,& + & a, sv%l,sv%u,sv%d,info,blck=b) + end select + if(info/=0) then + info=4010 + ch_err='mld_ilut_fact' + call psb_errpush(info,name,a_err=ch_err) + goto 9999 + end if + + case(mld_ilu_n_,mld_milu_n_) + ! + ! ILU(k) and MILU(k) + ! + select case(sv%fill_in) + case(:-1) + ! Error: fill-in <= -1 + call psb_errpush(30,name,i_err=(/3,sv%fill_in,0,0,0/)) + goto 9999 + case(0) + ! Fill-in 0 + ! Separate implementation of ILU(0) for better performance. + ! There seems to be a problem with the separate implementation of MILU(0), + ! contained into mld_ilu0_fact. This must be investigated. For the time being, + ! resort to the implementation of MILU(k) with k=0. + if (sv%fact_type == mld_ilu_n_) then + call mld_ilu0_fact(sv%fact_type,a,sv%l,sv%u,& + & sv%d,info,blck=b,upd=upd) + else + call mld_iluk_fact(sv%fill_in,sv%fact_type,& + & a,sv%l,sv%u,sv%d,info,blck=b) + endif + case(1:) + ! Fill-in >= 1 + ! The same routine implements both ILU(k) and MILU(k) + call mld_iluk_fact(sv%fill_in,sv%fact_type,& + & a,sv%l,sv%u,sv%d,info,blck=b) + end select + if (info/=0) then + info=4010 + ch_err='mld_iluk_fact' + call psb_errpush(info,name,a_err=ch_err) + goto 9999 + end if + + case default + ! If we end up here, something was wrong up in the call chain. + call psb_errpush(4000,name) + goto 9999 + + end select + else + ! Here we should add checks for reuse of L and U. + ! For the time being just throw an error. + info = 31 + call psb_errpush(info, name, i_err=(/3,0,0,0,0/),a_err=upd) + goto 9999 + + ! + ! What is an update of a factorization?? + ! A first attempt could be to reuse EXACTLY the existing indices + ! as if it was an ILU(0) (since, effectively, the sparsity pattern + ! should not grow beyond what is already there). + ! + call mld_ilu0_fact(sv%fact_type,a,& + & sv%l,sv%u,& + & sv%d,info,blck=b,upd=upd) + + end if + + call sv%l%set_asb() + call sv%l%trim() + call sv%u%set_asb() + call sv%u%trim() + + 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 d_ilu_solver_bld + + + subroutine d_ilu_solver_seti(sv,what,val,info) + + use psb_base_mod + + Implicit None + + ! Arguments + class(mld_d_ilu_solver_type), intent(inout) :: sv + integer, intent(in) :: what + integer, intent(in) :: val + integer, intent(out) :: info + Integer :: err_act + character(len=20) :: name='d_ilu_solver_seti' + + info = 0 + call psb_erractionsave(err_act) + + select case(what) + case(mld_sub_solve_) + sv%fact_type = val + case(mld_sub_fillin_) + sv%fill_in = val + case default + write(0,*) name,': Error: invalid WHAT' +!!$ info = -2 + 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 d_ilu_solver_seti + + subroutine d_ilu_solver_setc(sv,what,val,info) + + use psb_base_mod + + Implicit None + + ! Arguments + class(mld_d_ilu_solver_type), intent(inout) :: sv + integer, intent(in) :: what + character(len=*), intent(in) :: val + integer, intent(out) :: info + Integer :: err_act, ival + character(len=20) :: name='d_ilu_solver_setc' + + info = 0 + call psb_erractionsave(err_act) + + + call mld_stringval(val,ival,info) + if (info == 0) call sv%set(what,ival,info) + if (info /= 0) then + info = 4010 + 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 d_ilu_solver_setc + + subroutine d_ilu_solver_setr(sv,what,val,info) + + use psb_base_mod + + Implicit None + + ! Arguments + class(mld_d_ilu_solver_type), intent(inout) :: sv + integer, intent(in) :: what + real(psb_dpk_), intent(in) :: val + integer, intent(out) :: info + Integer :: err_act + character(len=20) :: name='d_ilu_solver_setr' + + call psb_erractionsave(err_act) + info = 0 + + select case(what) + case(mld_sub_iluthrs_) + sv%thresh = val + case default + write(0,*) name,': Error: invalid WHAT' +!!$ info = -2 +!!$ goto 9999 + 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 d_ilu_solver_setr + + subroutine d_ilu_solver_free(sv,info) + + use psb_base_mod + + Implicit None + + ! Arguments + class(mld_d_ilu_solver_type), intent(inout) :: sv + integer, intent(out) :: info + Integer :: err_act + character(len=20) :: name='d_ilu_solver_free' + + call psb_erractionsave(err_act) + info = 0 + + if (allocated(sv%d)) then + deallocate(sv%d,stat=info) + if (info /= 0) then + info = 4000 + call psb_errpush(info,name) + goto 9999 + end if + end if + call sv%l%free() + call sv%u%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 d_ilu_solver_free + + subroutine d_ilu_solver_descr(sv,info,iout) + + use psb_base_mod + + Implicit None + + ! Arguments + class(mld_d_ilu_solver_type), intent(inout) :: sv + integer, intent(out) :: info + integer, intent(in), optional :: iout + + ! Local variables + integer :: err_act + integer :: ictxt, me, np + character(len=20), parameter :: name='mld_d_ilu_solver_descr' + integer :: iout_ + + call psb_erractionsave(err_act) + info = 0 + if (present(iout)) then + iout_ = iout + else + iout_ = 6 + endif + + write(iout_,*) ' Incomplete factorization solver: ',& + & fact_names(sv%fact_type) + select case(sv%fact_type) + case(mld_ilu_n_,mld_milu_n_) + write(iout_,*) ' Fill level:',sv%fill_in + case(mld_ilu_t_) + write(iout_,*) ' Fill level:',sv%fill_in + write(iout_,*) ' Fill threshold :',sv%thresh + 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 d_ilu_solver_descr + + function d_ilu_solver_sizeof(sv) result(val) + use psb_base_mod + implicit none + ! Arguments + class(mld_d_ilu_solver_type), intent(inout) :: sv + integer(psb_long_int_k_) :: val + integer :: i + + val = 2*psb_sizeof_int + psb_sizeof_dp + if (allocated(sv%d)) val = val + psb_sizeof_dp * size(sv%d) + val = val + psb_sizeof(sv%l) + val = val + psb_sizeof(sv%u) + + return + end function d_ilu_solver_sizeof + +end module mld_d_ilu_solver diff --git a/mlprec/mld_d_jac_smoother.f03 b/mlprec/mld_d_jac_smoother.f03 new file mode 100644 index 00000000..40221117 --- /dev/null +++ b/mlprec/mld_d_jac_smoother.f03 @@ -0,0 +1,510 @@ +!!$ +!!$ +!!$ MLD2P4 version 2.0 +!!$ MultiLevel Domain Decomposition Parallel Preconditioners Package +!!$ based on PSBLAS (Parallel Sparse BLAS version 3.0) +!!$ +!!$ (C) Copyright 2008,2009, 2010 +!!$ +!!$ Salvatore Filippone University of Rome Tor Vergata +!!$ Alfredo Buttari University of Rome Tor Vergata +!!$ 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_d_jac_smoother + + use mld_d_prec_type + + type, extends(mld_d_base_smoother_type) :: mld_d_jac_smoother_type + ! The local solver component is inherited from the + ! parent type. + ! class(mld_d_base_solver_type), allocatable :: sv + ! + type(psb_d_sparse_mat) :: nd + integer :: sweeps + contains + procedure, pass(sm) :: build => d_jac_smoother_bld + procedure, pass(sm) :: apply => d_jac_smoother_apply + procedure, pass(sm) :: free => d_jac_smoother_free + procedure, pass(sm) :: seti => d_jac_smoother_seti + procedure, pass(sm) :: setc => d_jac_smoother_setc + procedure, pass(sm) :: setr => d_jac_smoother_setr + procedure, pass(sm) :: descr => d_jac_smoother_descr + procedure, pass(sm) :: sizeof => d_jac_smoother_sizeof + end type mld_d_jac_smoother_type + + + private :: d_jac_smoother_bld, d_jac_smoother_apply, & + & d_jac_smoother_free, d_jac_smoother_seti, & + & d_jac_smoother_setc, d_jac_smoother_setr,& + & d_jac_smoother_descr, d_jac_smoother_sizeof + + + +contains + + subroutine d_jac_smoother_apply(alpha,sm,x,beta,y,desc_data,trans,work,info) + use psb_base_mod + type(psb_desc_type), intent(in) :: desc_data + class(mld_d_jac_smoother_type), intent(in) :: sm + real(psb_dpk_),intent(in) :: x(:) + real(psb_dpk_),intent(inout) :: y(:) + real(psb_dpk_),intent(in) :: alpha,beta + character(len=1),intent(in) :: trans + real(psb_dpk_),target, intent(inout) :: work(:) + integer, intent(out) :: info + + integer :: n_row,n_col + real(psb_dpk_), pointer :: ww(:), aux(:), tx(:),ty(:) + integer :: ictxt,np,me,i, err_act + character :: trans_ + character(len=20) :: name='d_jac_smoother_apply' + + call psb_erractionsave(err_act) + + info = 0 + + trans_ = psb_toupper(trans) + select case(trans_) + case('N') + case('T','C') + case default + call psb_errpush(40,name) + goto 9999 + end select + + if (.not.allocated(sm%sv)) then + info = 1121 + call psb_errpush(info,name) + goto 9999 + end if + + n_row = psb_cd_get_local_rows(desc_data) + n_col = psb_cd_get_local_cols(desc_data) + + if (n_col <= size(work)) then + ww => work(1:n_col) + if ((4*n_col+n_col) <= size(work)) then + aux => work(n_col+1:) + else + allocate(aux(4*n_col),stat=info) + if (info /= 0) then + info=4025 + call psb_errpush(info,name,i_err=(/4*n_col,0,0,0,0/),& + & a_err='real(psb_dpk_)') + goto 9999 + end if + endif + else + allocate(ww(n_col),aux(4*n_col),stat=info) + if (info /= 0) then + info=4025 + call psb_errpush(info,name,i_err=(/5*n_col,0,0,0,0/),& + & a_err='real(psb_dpk_)') + goto 9999 + end if + endif + + if (sm%sweeps == 1) then + + call sm%sv%apply(alpha,x,beta,y,desc_data,trans_,aux,info) + + if (info /= 0) then + call psb_errpush(4001,name,a_err='Error in sub_aply Jacobi Sweeps = 1') + goto 9999 + endif + + else if (sm%sweeps > 1) then + + ! + ! + ! Apply prec%iprcparm(mld_smoother_sweeps_) sweeps of a block-Jacobi solver + ! to compute an approximate solution of a linear system. + ! + ! + allocate(tx(n_col),ty(n_col),stat=info) + if (info /= 0) then + info=4025 + call psb_errpush(info,name,i_err=(/2*n_col,0,0,0,0/),& + & a_err='real(psb_dpk_)') + goto 9999 + end if + + tx = dzero + ty = dzero + do i=1, sm%sweeps + ! + ! 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. + ! + ty(1:n_row) = x(1:n_row) + call psb_spmm(-done,sm%nd,tx,done,ty,desc_data,info,work=aux,trans=trans_) + + if (info /=0) exit + + call sm%sv%apply(done,ty,dzero,tx,desc_data,trans_,aux,info) + + if (info /=0) exit + end do + + if (info == 0) call psb_geaxpby(alpha,tx,beta,y,desc_data,info) + + if (info /= 0) then + info=4001 + call psb_errpush(info,name,a_err='subsolve with Jacobi sweeps > 1') + goto 9999 + end if + + deallocate(tx,ty,stat=info) + if (info /= 0) then + info=4001 + call psb_errpush(info,name,a_err='final cleanup with Jacobi sweeps > 1') + goto 9999 + end if + + else + + info = 10 + call psb_errpush(info,name,& + & i_err=(/2,sm%sweeps,0,0,0/)) + goto 9999 + + endif + + + if (n_col <= size(work)) then + if ((4*n_col+n_col) <= size(work)) then + else + deallocate(aux) + endif + else + deallocate(ww,aux) + 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 d_jac_smoother_apply + + subroutine d_jac_smoother_bld(a,desc_a,sm,upd,info,b) + + use psb_base_mod + use mld_d_diag_solver + Implicit None + + ! Arguments + type(psb_d_sparse_mat), intent(in), target :: a + Type(psb_desc_type), Intent(in) :: desc_a + class(mld_d_jac_smoother_type), intent(inout) :: sm + character, intent(in) :: upd + integer, intent(out) :: info + type(psb_d_sparse_mat), intent(in), target, optional :: b + ! Local variables + integer :: n_row,n_col, nrow_a, nztota + real(psb_dpk_), pointer :: ww(:), aux(:), tx(:),ty(:) + integer :: ictxt,np,me,i, err_act, debug_unit, debug_level + character(len=20) :: name='d_jac_smoother_bld', ch_err + + info=0 + call psb_erractionsave(err_act) + debug_unit = psb_get_debug_unit() + debug_level = psb_get_debug_level() + ictxt = psb_cd_get_context(desc_a) + call psb_info(ictxt, me, np) + if (debug_level >= psb_debug_outer_) & + & write(debug_unit,*) me,' ',trim(name),' start' + + + n_row = psb_cd_get_local_rows(desc_a) + + nrow_a = a%get_nrows() + nztota = a%get_nzeros() + select type (smsv => sm%sv) + type is (mld_d_diag_solver_type) + call a%clip_diag(sm%nd,info) + class default + call a%csclip(sm%nd,info,& + & jmin=nrow_a+1,rscale=.false.,cscale=.false.) + end select + if (info == 0) call sm%nd%cscnv(info,& + & type='csr',dupl=psb_dupl_add_) + if (info == 0) & + & call sm%sv%build(a,desc_a,upd,info,b) + if (info /= 0) then + call psb_errpush(4010,name,a_err='clip & psb_spcnv csr 4') + goto 9999 + end if + + 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 d_jac_smoother_bld + + + subroutine d_jac_smoother_seti(sm,what,val,info) + + use psb_base_mod + + Implicit None + + ! Arguments + class(mld_d_jac_smoother_type), intent(inout) :: sm + integer, intent(in) :: what + integer, intent(in) :: val + integer, intent(out) :: info + Integer :: err_act + character(len=20) :: name='d_jac_smoother_seti' + + info = 0 + call psb_erractionsave(err_act) + + select case(what) + case(mld_smoother_sweeps_) + sm%sweeps = val + case default + 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 + 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 d_jac_smoother_seti + + subroutine d_jac_smoother_setc(sm,what,val,info) + + use psb_base_mod + + Implicit None + + ! Arguments + class(mld_d_jac_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='d_jac_smoother_setc' + + info = 0 + call psb_erractionsave(err_act) + + + call mld_stringval(val,ival,info) + if (info == 0) call sm%set(what,ival,info) + if (info /= 0) then + info = 4010 + 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 d_jac_smoother_setc + + subroutine d_jac_smoother_setr(sm,what,val,info) + + use psb_base_mod + + Implicit None + + ! Arguments + class(mld_d_jac_smoother_type), intent(inout) :: sm + integer, intent(in) :: what + real(psb_dpk_), intent(in) :: val + integer, intent(out) :: info + Integer :: err_act + character(len=20) :: name='d_jac_smoother_setr' + + call psb_erractionsave(err_act) + info = 0 + + + 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 d_jac_smoother_setr + + subroutine d_jac_smoother_free(sm,info) + + use psb_base_mod + + Implicit None + + ! Arguments + class(mld_d_jac_smoother_type), intent(inout) :: sm + integer, intent(out) :: info + Integer :: err_act + character(len=20) :: name='d_jac_smoother_free' + + call psb_erractionsave(err_act) + info = 0 + + + + if (allocated(sm%sv)) then + call sm%sv%free(info) + if (info == 0) deallocate(sm%sv,stat=info) + if (info /= 0) then + info = 4000 + 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 d_jac_smoother_free + + subroutine d_jac_smoother_descr(sm,info,iout) + + use psb_base_mod + + Implicit None + + ! Arguments + class(mld_d_jac_smoother_type), intent(inout) :: sm + integer, intent(out) :: info + integer, intent(in), optional :: iout + + ! Local variables + integer :: err_act + integer :: ictxt, me, np + character(len=20), parameter :: name='mld_d_jac_smoother_descr' + integer :: iout_ + + call psb_erractionsave(err_act) + info = 0 + if (present(iout)) then + iout_ = iout + else + iout_ = 6 + endif + + write(iout_,*) ' Block Jacobi smoother with ',& + & sm%sweeps,' sweeps.' + write(iout_,*) ' Local solver:' + if (allocated(sm%sv)) then + call sm%sv%descr(info,iout_) + 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 d_jac_smoother_descr + + function d_jac_smoother_sizeof(sm) result(val) + use psb_base_mod + implicit none + ! Arguments + class(mld_d_jac_smoother_type), intent(inout) :: 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 d_jac_smoother_sizeof + +end module mld_d_jac_smoother diff --git a/mlprec/mld_d_prec_type.f03 b/mlprec/mld_d_prec_type.f03 index 3e5d600c..4ba371fe 100644 --- a/mlprec/mld_d_prec_type.f03 +++ b/mlprec/mld_d_prec_type.f03 @@ -179,7 +179,13 @@ module mld_d_prec_type contains procedure, pass(sv) :: build => d_base_solver_bld procedure, pass(sv) :: apply => d_base_solver_apply - procedure, pass(sv) :: apply => d_base_solver_free + procedure, pass(sv) :: free => d_base_solver_free + procedure, pass(sv) :: seti => d_base_solver_seti + procedure, pass(sv) :: setc => d_base_solver_setc + procedure, pass(sv) :: setr => d_base_solver_setr + generic, public :: set => seti, setc, setr + procedure, pass(sv) :: descr => d_base_solver_descr + procedure, pass(sv) :: sizeof => d_base_solver_sizeof end type mld_d_base_solver_type type mld_d_base_smoother_type @@ -187,10 +193,16 @@ module mld_d_prec_type contains procedure, pass(sm) :: build => d_base_smoother_bld procedure, pass(sm) :: apply => d_base_smoother_apply - procedure, pass(sm) :: apply => d_base_smoother_free + procedure, pass(sm) :: free => d_base_smoother_free + procedure, pass(sm) :: seti => d_base_smoother_seti + procedure, pass(sm) :: setc => d_base_smoother_setc + procedure, pass(sm) :: setr => d_base_smoother_setr + generic, public :: set => seti, setc, setr + procedure, pass(sm) :: descr => d_base_smoother_descr + procedure, pass(sm) :: sizeof => d_base_smoother_sizeof end type mld_d_base_smoother_type - type, extends(psb_d_base_prec_type) :: mld_dbaseprec_type + type, extends(psb_d_base_prec_type) :: mld_dbaseprec_type type(psb_d_sparse_mat), allocatable :: av(:) real(psb_dpk_), allocatable :: d(:) type(psb_desc_type) :: desc_data @@ -211,13 +223,23 @@ module mld_d_prec_type type(psb_dlinmap_type) :: map end type mld_donelev_type - type, extends(psb_dprec_type) :: mld_dprec_type + type, extends(psb_dprec_type) :: mld_dprec_type type(mld_donelev_type), allocatable :: precv(:) contains procedure, pass(prec) :: d_apply2v => mld_d_apply2v procedure, pass(prec) :: d_apply1v => mld_d_apply1v end type mld_dprec_type + private :: d_base_solver_bld, d_base_solver_apply, & + & d_base_solver_free, d_base_solver_seti, & + & d_base_solver_setc, d_base_solver_setr, & + & d_base_solver_descr, d_base_solver_sizeof, & + & d_base_smoother_bld, d_base_smoother_apply, & + & d_base_smoother_free, d_base_smoother_seti, & + & d_base_smoother_setc, d_base_smoother_setr,& + & d_base_smoother_descr, d_base_smoother_sizeof + + ! ! Interfaces to routines for checking the definition of the preconditioner, ! for printing its description and for deallocating its data structure @@ -247,22 +269,22 @@ module mld_d_prec_type subroutine mld_dprecaply(prec,x,y,desc_data,info,trans,work) use psb_base_mod, only : psb_d_sparse_mat, psb_desc_type, psb_dpk_ import mld_dprec_type - type(psb_desc_type),intent(in) :: desc_data - type(mld_dprec_type), intent(in) :: prec - real(psb_dpk_),intent(in) :: x(:) - real(psb_dpk_),intent(inout) :: y(:) - integer, intent(out) :: info - character(len=1), optional :: trans + type(psb_desc_type),intent(in) :: desc_data + type(mld_dprec_type), intent(in) :: prec + real(psb_dpk_),intent(in) :: x(:) + real(psb_dpk_),intent(inout) :: y(:) + integer, intent(out) :: info + character(len=1), optional :: trans real(psb_dpk_),intent(inout), optional, target :: work(:) end subroutine mld_dprecaply subroutine mld_dprecaply1(prec,x,desc_data,info,trans) use psb_base_mod, only : psb_d_sparse_mat, psb_desc_type, psb_dpk_ import mld_dprec_type - type(psb_desc_type),intent(in) :: desc_data - type(mld_dprec_type), intent(in) :: prec - real(psb_dpk_),intent(inout) :: x(:) - integer, intent(out) :: info - character(len=1), optional :: trans + type(psb_desc_type),intent(in) :: desc_data + type(mld_dprec_type), intent(in) :: prec + real(psb_dpk_),intent(inout) :: x(:) + integer, intent(out) :: info + character(len=1), optional :: trans end subroutine mld_dprecaply1 end interface @@ -424,7 +446,8 @@ contains do ilev = 2, nlev if (.not.allocated(p%precv(ilev)%iprcparm)) then info = 3111 - write(iout_,*) ' ',name,': error: inconsistent MLPREC part, should call MLD_PRECINIT' + write(iout_,*) ' ',name,& + & ': error: inconsistent MLPREC part, should call MLD_PRECINIT' return endif end do @@ -432,7 +455,8 @@ contains write(iout_,*) ' Number of levels: ',nlev ! - ! Currently, all the preconditioner parameters must have the same value at levels + ! Currently, all the preconditioner parameters must have + ! the same value at levels ! 2,...,nlev-1, hence only the values at level 2 are printed ! @@ -646,24 +670,30 @@ contains subroutine d_base_smoother_apply(alpha,sm,x,beta,y,desc_data,trans,work,info) use psb_base_mod - type(psb_desc_type), intent(in) :: desc_data + type(psb_desc_type), intent(in) :: desc_data class(mld_d_base_smoother_type), intent(in) :: sm - real(psb_dpk_),intent(in) :: x(:) - real(psb_dpk_),intent(inout) :: y(:) - real(psb_dpk_),intent(in) :: alpha,beta - character(len=1),intent(in) :: trans - real(psb_dpk_),target, intent(inout) :: work(:) - integer, intent(out) :: info + real(psb_dpk_),intent(in) :: x(:) + real(psb_dpk_),intent(inout) :: y(:) + real(psb_dpk_),intent(in) :: alpha,beta + character(len=1),intent(in) :: trans + real(psb_dpk_),target, intent(inout) :: work(:) + integer, intent(out) :: info - Integer :: err_act - character(len=20) :: name='d_base_smoother_apply' + Integer :: err_act + character(len=20) :: name='d_base_smoother_apply' call psb_erractionsave(err_act) - - info = 700 - call psb_errpush(info,name) - goto 9999 - + info = 0 + if (allocated(sm%sv)) then + call sm%sv%apply(alpha,x,beta,y,desc_data,trans,work,info) + else + info = 1121 + endif + if (info /= 0) then + call psb_errpush(info,name) + goto 9999 + end if + call psb_erractionrestore(err_act) return @@ -677,26 +707,136 @@ contains end subroutine d_base_smoother_apply - subroutine d_base_smoother_bld(a,desc_a,sm,upd,info) + subroutine d_base_smoother_seti(sm,what,val,info) + + use psb_base_mod + + Implicit None + + ! Arguments + class(mld_d_base_smoother_type), intent(inout) :: sm + integer, intent(in) :: what + integer, intent(in) :: val + integer, intent(out) :: info + Integer :: err_act + character(len=20) :: name='d_base_smoother_seti' + + call psb_erractionsave(err_act) + info = 0 + + if (allocated(sm%sv)) then + call sm%sv%set(what,val,info) + end if + if (info /= 0) 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 d_base_smoother_seti + + subroutine d_base_smoother_setc(sm,what,val,info) use psb_base_mod Implicit None ! Arguments - type(psb_d_sparse_mat), intent(in), target :: a - Type(psb_desc_type), Intent(in) :: desc_a class(mld_d_base_smoother_type), intent(inout) :: sm - character, intent(in) :: upd - integer, intent(out) :: info + integer, intent(in) :: what + character(len=*), intent(in) :: val + integer, intent(out) :: info + Integer :: err_act + character(len=20) :: name='d_base_smoother_setc' + + call psb_erractionsave(err_act) + + info = 0 + + if (allocated(sm%sv)) then + call sm%sv%set(what,val,info) + end if + if (info /= 0) 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 d_base_smoother_setc + + subroutine d_base_smoother_setr(sm,what,val,info) + + use psb_base_mod + + Implicit None + + ! Arguments + class(mld_d_base_smoother_type), intent(inout) :: sm + integer, intent(in) :: what + real(psb_dpk_), intent(in) :: val + integer, intent(out) :: info Integer :: err_act - character(len=20) :: name='d_base_smoother_bld' + character(len=20) :: name='d_base_smoother_setr' call psb_erractionsave(err_act) - info = 700 - call psb_errpush(info,name) - goto 9999 + + info = 0 + + if (allocated(sm%sv)) then + call sm%sv%set(what,val,info) + end if + if (info /= 0) 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 d_base_smoother_setr + + subroutine d_base_smoother_bld(a,desc_a,sm,upd,info,b) + + use psb_base_mod + + Implicit None + + ! Arguments + type(psb_d_sparse_mat), intent(in), target :: a + Type(psb_desc_type), Intent(in) :: desc_a + class(mld_d_base_smoother_type), intent(inout) :: sm + character, intent(in) :: upd + integer, intent(out) :: info + type(psb_d_sparse_mat), intent(in), target, optional :: b + Integer :: err_act + character(len=20) :: name='d_base_smoother_bld' + + call psb_erractionsave(err_act) + + info = 0 + if (allocated(sm%sv)) then + call sm%sv%build(a,desc_a,upd,info,b) + else + info = 1121 + call psb_errpush(info,name) + endif + if (info /= 0) goto 9999 call psb_erractionrestore(err_act) return @@ -718,17 +858,71 @@ contains Implicit None ! Arguments - class(mld_d_base_smother_type), intent(inout) :: sm - integer, intent(out) :: info - Integer :: err_act - character(len=20) :: name='d_base_smoother_free' + class(mld_d_base_smoother_type), intent(inout) :: sm + integer, intent(out) :: info + Integer :: err_act + character(len=20) :: name='d_base_smoother_free' call psb_erractionsave(err_act) + info = 0 + + if (allocated(sm%sv)) then + call sm%sv%free(info) + end if + if (info == 0) deallocate(sm%sv,stat=info) + if (info /= 0) then + info = 4000 + call psb_errpush(info,name) + goto 9999 + end if + call psb_erractionrestore(err_act) + return - info = 700 - call psb_errpush(info,name) - goto 9999 +9999 continue + call psb_erractionrestore(err_act) + if (err_act == psb_act_abort_) then + call psb_error() + return + end if + return + end subroutine d_base_smoother_free + subroutine d_base_smoother_descr(sm,info,iout) + + use psb_base_mod + + Implicit None + + ! Arguments + class(mld_d_base_smoother_type), intent(inout) :: sm + integer, intent(out) :: info + integer, intent(in), optional :: iout + + ! Local variables + integer :: err_act + integer :: ictxt, me, np + character(len=20), parameter :: name='mld_d_base_smoother_descr' + integer :: iout_ + + + call psb_erractionsave(err_act) + info = 0 + + if (present(iout)) then + iout_ = iout + else + iout_ = 6 + end if + + write(iout_,*) 'Base smoother with local solver' + if (allocated(sm%sv)) then + call sm%sv%descr(info,iout) + if (info /= 0) then + info = 4010 + call psb_errpush(info,name,a_err='Local solver') + goto 9999 + end if + end if call psb_erractionrestore(err_act) return @@ -739,19 +933,35 @@ contains return end if return - end subroutine d_base_smoother_free + end subroutine d_base_smoother_descr + + function d_base_smoother_sizeof(sm) result(val) + implicit none + ! Arguments + class(mld_d_base_smoother_type), intent(inout) :: sm + integer(psb_long_int_k_) :: val + integer :: i + + val = 0 + if (allocated(sm%sv)) then + val = sm%sv%sizeof() + end if + + return + end function d_base_smoother_sizeof + subroutine d_base_solver_apply(alpha,sv,x,beta,y,desc_data,trans,work,info) use psb_base_mod - type(psb_desc_type), intent(in) :: desc_data + type(psb_desc_type), intent(in) :: desc_data class(mld_d_base_solver_type), intent(in) :: sv - real(psb_dpk_),intent(in) :: x(:) - real(psb_dpk_),intent(inout) :: y(:) - real(psb_dpk_),intent(in) :: alpha,beta - character(len=1),intent(in) :: trans - real(psb_dpk_),target, intent(inout) :: work(:) - integer, intent(out) :: info + real(psb_dpk_),intent(in) :: x(:) + real(psb_dpk_),intent(inout) :: y(:) + real(psb_dpk_),intent(in) :: alpha,beta + character(len=1),intent(in) :: trans + real(psb_dpk_),target, intent(inout) :: work(:) + integer, intent(out) :: info Integer :: err_act character(len=20) :: name='d_base_solver_apply' @@ -775,19 +985,19 @@ contains end subroutine d_base_solver_apply - subroutine d_base_solver_bld(a,desc_a,sv,upd,info) + subroutine d_base_solver_bld(a,desc_a,sv,upd,info,b) use psb_base_mod Implicit None ! Arguments - type(psb_d_sparse_mat), intent(in), target :: a - Type(psb_desc_type), Intent(in) :: desc_a + type(psb_d_sparse_mat), intent(in), target :: a + Type(psb_desc_type), Intent(in) :: desc_a class(mld_d_base_solver_type), intent(inout) :: sv - - character, intent(in) :: upd - integer, intent(out) :: info + character, intent(in) :: upd + integer, intent(out) :: info + type(psb_d_sparse_mat), intent(in), target, optional :: b Integer :: err_act character(len=20) :: name='d_base_solver_bld' @@ -810,6 +1020,102 @@ contains end subroutine d_base_solver_bld + subroutine d_base_solver_seti(sv,what,val,info) + + use psb_base_mod + + Implicit None + + ! Arguments + class(mld_d_base_solver_type), intent(inout) :: sv + integer, intent(in) :: what + integer, intent(in) :: val + integer, intent(out) :: info + Integer :: err_act + character(len=20) :: name='d_base_solver_seti' + + call psb_erractionsave(err_act) + + info = 700 + call psb_errpush(info,name) + 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 d_base_solver_seti + + subroutine d_base_solver_setc(sv,what,val,info) + + use psb_base_mod + + Implicit None + + ! Arguments + class(mld_d_base_solver_type), intent(inout) :: sv + integer, intent(in) :: what + character(len=*), intent(in) :: val + integer, intent(out) :: info + Integer :: err_act + character(len=20) :: name='d_base_solver_setc' + + call psb_erractionsave(err_act) + + info = 700 + call psb_errpush(info,name) + 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 d_base_solver_setc + + subroutine d_base_solver_setr(sv,what,val,info) + + use psb_base_mod + + Implicit None + + ! Arguments + class(mld_d_base_solver_type), intent(inout) :: sv + integer, intent(in) :: what + real(psb_dpk_), intent(in) :: val + integer, intent(out) :: info + Integer :: err_act + character(len=20) :: name='d_base_solver_setr' + + call psb_erractionsave(err_act) + + info = 700 + call psb_errpush(info,name) + 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 d_base_solver_setr + subroutine d_base_solver_free(sv,info) use psb_base_mod @@ -818,9 +1124,9 @@ contains ! Arguments class(mld_d_base_solver_type), intent(inout) :: sv - integer, intent(out) :: info - Integer :: err_act - character(len=20) :: name='d_base_solver_free' + integer, intent(out) :: info + Integer :: err_act + character(len=20) :: name='d_base_solver_free' call psb_erractionsave(err_act) @@ -840,18 +1146,65 @@ contains return end subroutine d_base_solver_free + subroutine d_base_solver_descr(sv,info,iout) + + use psb_base_mod + + Implicit None + + ! Arguments + class(mld_d_base_solver_type), intent(inout) :: sv + integer, intent(out) :: info + integer, intent(in), optional :: iout + + ! Local variables + integer :: err_act + integer :: ictxt, me, np + character(len=20), parameter :: name='mld_d_base_solver_descr' + integer :: iout_ + + + call psb_erractionsave(err_act) + + info = 700 + call psb_errpush(info,name) + 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 d_base_solver_descr + + function d_base_solver_sizeof(sv) result(val) + implicit none + ! Arguments + class(mld_d_base_solver_type), intent(inout) :: sv + integer(psb_long_int_k_) :: val + integer :: i + val = 0 + + return + end function d_base_solver_sizeof + subroutine mld_d_apply2v(prec,x,y,desc_data,info,trans,work) use psb_base_mod type(psb_desc_type),intent(in) :: desc_data - class(mld_dprec_type), intent(in) :: prec - real(psb_dpk_),intent(in) :: x(:) - real(psb_dpk_),intent(inout) :: y(:) + class(mld_dprec_type), intent(in) :: prec + real(psb_dpk_),intent(in) :: x(:) + real(psb_dpk_),intent(inout) :: y(:) integer, intent(out) :: info character(len=1), optional :: trans real(psb_dpk_),intent(inout), optional, target :: work(:) - Integer :: err_act - character(len=20) :: name='d_prec_apply' + Integer :: err_act + character(len=20) :: name='d_prec_apply' call psb_erractionsave(err_act) @@ -880,12 +1233,12 @@ contains subroutine mld_d_apply1v(prec,x,desc_data,info,trans) use psb_base_mod type(psb_desc_type),intent(in) :: desc_data - class(mld_dprec_type), intent(in) :: prec - real(psb_dpk_),intent(inout) :: x(:) + class(mld_dprec_type), intent(in) :: prec + real(psb_dpk_),intent(inout) :: x(:) integer, intent(out) :: info character(len=1), optional :: trans - Integer :: err_act - character(len=20) :: name='d_prec_apply' + Integer :: err_act + character(len=20) :: name='d_prec_apply' call psb_erractionsave(err_act) diff --git a/mlprec/mld_dprecinit.F90 b/mlprec/mld_dprecinit.F90 index 3584152f..9f197f68 100644 --- a/mlprec/mld_dprecinit.F90 +++ b/mlprec/mld_dprecinit.F90 @@ -94,14 +94,14 @@ subroutine mld_dprecinit(p,ptype,info,nlev) implicit none ! Arguments - type(mld_dprec_type), intent(inout) :: p - character(len=*), intent(in) :: ptype - integer, intent(out) :: info - integer, optional, intent(in) :: nlev + type(mld_dprec_type), intent(inout) :: p + character(len=*), intent(in) :: ptype + integer, intent(out) :: info + integer, optional, intent(in) :: nlev ! Local variables - integer :: nlev_, ilev_ - character(len=*), parameter :: name='mld_precinit' + integer :: nlev_, ilev_ + character(len=*), parameter :: name='mld_precinit' info = 0 if (allocated(p%precv)) then diff --git a/mlprec/mld_dprecset.f90 b/mlprec/mld_dprecset.f90 index fa0a8757..e70b5684 100644 --- a/mlprec/mld_dprecset.f90 +++ b/mlprec/mld_dprecset.f90 @@ -98,7 +98,8 @@ subroutine mld_dprecseti(p,what,val,info,ilev) if (.not.allocated(p%precv)) then info = 3111 - write(0,*) name,': Error: uninitialized preconditioner, should call MLD_PRECINIT' + write(0,*) name,': Error: uninitialized preconditioner,',& + &' should call MLD_PRECINIT' return endif nlev_ = size(p%precv) @@ -117,13 +118,15 @@ subroutine mld_dprecseti(p,what,val,info,ilev) if (.not.allocated(p%precv(ilev_)%iprcparm)) then info = 3111 write(0,*) name,& - &': Error: uninitialized preconditioner component, should call MLD_PRECINIT' + &': Error: uninitialized preconditioner component,',& + &' should call MLD_PRECINIT' return endif if (.not.allocated(p%precv(ilev_)%prec%iprcparm)) then info = 3111 write(0,*) name,& - &': Error: uninitialized preconditioner component, should call MLD_PRECINIT' + &': Error: uninitialized preconditioner component,',& + &' should call MLD_PRECINIT' return endif @@ -223,7 +226,8 @@ subroutine mld_dprecseti(p,what,val,info,ilev) do ilev_=1,max(1,nlev_-1) if (.not.allocated(p%precv(ilev_)%iprcparm)) then write(0,*) name,& - &': Error: uninitialized preconditioner component, should call MLD_PRECINIT' + &': Error: uninitialized preconditioner component,',& + &' should call MLD_PRECINIT' info = -1 return endif @@ -234,7 +238,8 @@ subroutine mld_dprecseti(p,what,val,info,ilev) do ilev_=1,nlev_ if (.not.allocated(p%precv(ilev_)%iprcparm)) then write(0,*) name,& - &': Error: uninitialized preconditioner component, should call MLD_PRECINIT' + &': Error: uninitialized preconditioner component,',& + &' should call MLD_PRECINIT' info = -1 return endif @@ -244,7 +249,8 @@ subroutine mld_dprecseti(p,what,val,info,ilev) case(mld_coarse_mat_) if (.not.allocated(p%precv(nlev_)%iprcparm)) then write(0,*) name,& - & ': Error: uninitialized preconditioner component, should call MLD_PRECINIT' + & ': Error: uninitialized preconditioner component,',& + & ' should call MLD_PRECINIT' info = -1 return endif @@ -252,7 +258,8 @@ subroutine mld_dprecseti(p,what,val,info,ilev) case(mld_coarse_solve_) if (.not.allocated(p%precv(nlev_)%iprcparm)) then write(0,*) name,& - &': Error: uninitialized preconditioner component, should call MLD_PRECINIT' + &': Error: uninitialized preconditioner component,',& + &' should call MLD_PRECINIT' info = -1 return endif @@ -272,7 +279,8 @@ subroutine mld_dprecseti(p,what,val,info,ilev) case(mld_coarse_subsolve_) if (.not.allocated(p%precv(nlev_)%iprcparm)) then write(0,*) name,& - &': Error: uninitialized preconditioner component, should call MLD_PRECINIT' + &': Error: uninitialized preconditioner component,',& + &' should call MLD_PRECINIT' info = -1 return end if @@ -281,7 +289,8 @@ subroutine mld_dprecseti(p,what,val,info,ilev) case(mld_coarse_sweeps_) if (.not.allocated(p%precv(nlev_)%iprcparm)) then write(0,*) name,& - &': Error: uninitialized preconditioner component, should call MLD_PRECINIT' + &': Error: uninitialized preconditioner component,',& + &' should call MLD_PRECINIT' info = -1 return endif @@ -289,7 +298,8 @@ subroutine mld_dprecseti(p,what,val,info,ilev) case(mld_coarse_fillin_) if (.not.allocated(p%precv(nlev_)%iprcparm)) then write(0,*) name,& - &': Error: uninitialized preconditioner component, should call MLD_PRECINIT' + &': Error: uninitialized preconditioner component,',& + &' should call MLD_PRECINIT' info = -1 return endif @@ -380,7 +390,8 @@ subroutine mld_dprecsetc(p,what,string,info,ilev) return endif if (.not.allocated(p%precv(ilev_)%iprcparm)) then - write(0,*) name,': Error: uninitialized preconditioner component, should call MLD_PRECINIT' + write(0,*) name,': Error: uninitialized preconditioner component,',& + &' should call MLD_PRECINIT' info = 3111 return endif @@ -458,19 +469,22 @@ subroutine mld_dprecsetr(p,what,val,info,ilev) end if if (.not.allocated(p%precv)) then - write(0,*) name,': Error: uninitialized preconditioner, should call MLD_PRECINIT' + write(0,*) name,': Error: uninitialized preconditioner,',& + &' should call MLD_PRECINIT' info = 3111 return endif nlev_ = size(p%precv) if ((ilev_<1).or.(ilev_ > nlev_)) then - write(0,*) name,': Error: invalid ILEV/NLEV combination',ilev_, nlev_ + write(0,*) name,': Error: invalid ILEV/NLEV combination',& + & ilev_, nlev_ info = -1 return endif if (.not.allocated(p%precv(ilev_)%rprcparm)) then - write(0,*) name,': Error: uninitialized preconditioner component, should call MLD_PRECINIT' + write(0,*) name,': Error: uninitialized preconditioner component,',& + &' should call MLD_PRECINIT' info = 3111 return endif @@ -513,7 +527,8 @@ subroutine mld_dprecsetr(p,what,val,info,ilev) case(mld_sub_iluthrs_) do ilev_=1,nlev_ if (.not.allocated(p%precv(ilev_)%rprcparm)) then - write(0,*) name,': Error: uninitialized preconditioner component, should call MLD_PRECINIT' + write(0,*) name,': Error: uninitialized preconditioner ',& + & 'component, should call MLD_PRECINIT' info = -1 return endif @@ -522,7 +537,8 @@ subroutine mld_dprecsetr(p,what,val,info,ilev) case(mld_coarse_iluthrs_) ilev_=nlev_ if (.not.allocated(p%precv(ilev_)%rprcparm)) then - write(0,*) name,': Error: uninitialized preconditioner component, should call MLD_PRECINIT' + write(0,*) name,': Error: uninitialized preconditioner ',& + & 'component, should call MLD_PRECINIT' info = -1 return endif @@ -530,7 +546,8 @@ subroutine mld_dprecsetr(p,what,val,info,ilev) case(mld_aggr_omega_val_) do ilev_=2,nlev_ if (.not.allocated(p%precv(ilev_)%rprcparm)) then - write(0,*) name,': Error: uninitialized preconditioner component, should call MLD_PRECINIT' + write(0,*) name,': Error: uninitialized preconditioner',& + & ' component, should call MLD_PRECINIT' info = -1 return endif @@ -539,7 +556,8 @@ subroutine mld_dprecsetr(p,what,val,info,ilev) case(mld_aggr_thresh_) do ilev_=2,nlev_ if (.not.allocated(p%precv(ilev_)%rprcparm)) then - write(0,*) name,': Error: uninitialized preconditioner component, should call MLD_PRECINIT' + write(0,*) name,': Error: uninitialized preconditioner',& + &' component, should call MLD_PRECINIT' info = -1 return endif