Moving files from PSBLAS2 to MLD2P4.
Salvatore Filippone
18 years ago
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23b7f8ad8c
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!!$
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!!$
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!!$ MD2P4
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!!$ Multilevel Domain Decomposition Parallel Preconditioner Package for PSBLAS
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!!$ for
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!!$ Parallel Sparse BLAS v2.0
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!!$ (C) Copyright 2006 Salvatore Filippone University of Rome Tor Vergata
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!!$ Alfredo Buttari University of Rome Tor Vergata
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!!$ Daniela di Serafino Second University of Naples
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!!$ Pasqua D'Ambra ICAR-CNR
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!!$
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!!$ Redistribution and use in source and binary forms, with or without
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!!$ modification, are permitted provided that the following conditions
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!!$ are met:
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!!$ 1. Redistributions of source code must retain the above copyright
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!!$ notice, this list of conditions and the following disclaimer.
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!!$ 2. Redistributions in binary form must reproduce the above copyright
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!!$ notice, this list of conditions, and the following disclaimer in the
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!!$ documentation and/or other materials provided with the distribution.
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!!$ 3. The name of the MD2P4 group or the names of its contributors may
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!!$ not be used to endorse or promote products derived from this
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!!$ software without specific written permission.
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!!$
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!!$ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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!!$ ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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!!$ TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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!!$ PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE MD2P4 GROUP OR ITS CONTRIBUTORS
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!!$ BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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!!$ CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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!!$ SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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!!$ INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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!!$ CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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!!$ ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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!!$ POSSIBILITY OF SUCH DAMAGE.
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!!$
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!!$
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subroutine psb_dmlprc_bld(a,desc_a,p,info)
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use psb_base_mod
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use psb_prec_type
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implicit none
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type(psb_dspmat_type), intent(in), target :: a
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type(psb_desc_type), intent(in), target :: desc_a
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type(psb_dbaseprc_type), intent(inout),target :: p
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integer, intent(out) :: info
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type(psb_desc_type) :: desc_ac
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integer :: i, nrg, nzg, err_act,k
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character(len=20) :: name, ch_err
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logical, parameter :: debug=.false.
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type(psb_dspmat_type) :: ac
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interface psb_baseprc_bld
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subroutine psb_dbaseprc_bld(a,desc_a,p,info,upd)
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use psb_base_mod
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use psb_prec_type
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type(psb_dspmat_type), target :: a
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type(psb_desc_type), intent(in) :: desc_a
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type(psb_dbaseprc_type),intent(inout) :: p
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integer, intent(out) :: info
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character, intent(in), optional :: upd
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end subroutine psb_dbaseprc_bld
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end interface
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interface psb_genaggrmap
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subroutine psb_dgenaggrmap(aggr_type,a,desc_a,nlaggr,ilaggr,info)
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use psb_base_mod
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use psb_prec_type
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implicit none
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integer, intent(in) :: aggr_type
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type(psb_dspmat_type), intent(in) :: a
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type(psb_desc_type), intent(in) :: desc_a
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integer, allocatable :: ilaggr(:),nlaggr(:)
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integer, intent(out) :: info
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end subroutine psb_dgenaggrmap
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end interface
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interface psb_bldaggrmat
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subroutine psb_dbldaggrmat(a,desc_a,ac,desc_ac,p,info)
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use psb_base_mod
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use psb_prec_type
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type(psb_dspmat_type), intent(in), target :: a
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type(psb_desc_type), intent(in) :: desc_a
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type(psb_dspmat_type), intent(out),target :: ac
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type(psb_desc_type), intent(inout) :: desc_ac
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type(psb_dbaseprc_type), intent(inout), target :: p
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integer, intent(out) :: info
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end subroutine psb_dbldaggrmat
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end interface
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integer :: ictxt, np, me
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name='psb_mlprec_bld'
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if (psb_get_errstatus().ne.0) return
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info = 0
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ictxt = psb_cd_get_context(desc_a)
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call psb_info(ictxt,me,np)
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call psb_erractionsave(err_act)
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call psb_nullify_sp(ac)
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if (.not.allocated(p%iprcparm)) then
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info = 2222
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call psb_errpush(info,name)
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goto 9999
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endif
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call psb_check_def(p%iprcparm(ml_type_),'Multilevel type',&
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& mult_ml_prec_,is_legal_ml_type)
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call psb_check_def(p%iprcparm(aggr_alg_),'aggregation',&
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& loc_aggr_,is_legal_ml_aggr_kind)
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call psb_check_def(p%iprcparm(smth_kind_),'Smoother kind',&
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& smth_omg_,is_legal_ml_smth_kind)
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call psb_check_def(p%iprcparm(coarse_mat_),'Coarse matrix',&
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& mat_distr_,is_legal_ml_coarse_mat)
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call psb_check_def(p%iprcparm(smth_pos_),'smooth_pos',&
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& pre_smooth_,is_legal_ml_smooth_pos)
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!!$ nullify(p%desc_data)
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select case(p%iprcparm(f_type_))
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case(f_ilu_n_)
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call psb_check_def(p%iprcparm(ilu_fill_in_),'Level',0,is_legal_ml_lev)
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case(f_ilu_e_)
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call psb_check_def(p%dprcparm(fact_eps_),'Eps',dzero,is_legal_ml_eps)
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end select
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call psb_check_def(p%dprcparm(smooth_omega_),'omega',dzero,is_legal_omega)
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call psb_check_def(p%iprcparm(jac_sweeps_),'Jacobi sweeps',&
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& 1,is_legal_jac_sweeps)
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! Currently this is ignored by gen_aggrmap, but it could be
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! changed in the future. Need to package nlaggr & mlia in a
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! private data structure?
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call psb_genaggrmap(p%iprcparm(aggr_alg_),a,desc_a,p%nlaggr,p%mlia,info)
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if(info /= 0) then
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info=4010
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ch_err='psb_gen_aggrmap'
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call psb_errpush(info,name,a_err=ch_err)
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goto 9999
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end if
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if (debug) write(0,*) 'Out from genaggrmap',p%nlaggr
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call psb_nullify_desc(desc_ac)
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call psb_bldaggrmat(a,desc_a,ac,desc_ac,p,info)
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if(info /= 0) then
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info=4010
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ch_err='psb_bld_aggrmat'
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call psb_errpush(info,name,a_err=ch_err)
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goto 9999
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end if
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if (debug) write(0,*) 'Out from bldaggrmat',desc_ac%matrix_data(:)
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call psb_baseprc_bld(ac,desc_ac,p,info)
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if (debug) write(0,*) 'Out from baseprcbld',info
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if(info /= 0) then
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info=4010
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ch_err='psb_baseprc_bld'
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call psb_errpush(info,name,a_err=ch_err)
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goto 9999
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end if
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!
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! We have used a separate ac because:
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! 1. We want to reuse the same routines psb_ilu_bld etc.
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! 2. We do NOT want to pass an argument twice to them
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! p%av(ac_) and p, as this would violate the Fortran standard
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! Hence a separate AC and a TRANSFER function at the end.
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!
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call psb_sp_transfer(ac,p%av(ac_),info)
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p%base_a => p%av(ac_)
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call psb_cdtransfer(desc_ac,p%desc_ac,info)
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if (info /= 0) then
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info=4010
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ch_err='psb_cdtransfer'
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call psb_errpush(info,name,a_err=ch_err)
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goto 9999
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end if
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p%base_desc => p%desc_ac
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call psb_erractionrestore(err_act)
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return
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9999 continue
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call psb_erractionrestore(err_act)
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if (err_act.eq.act_abort) then
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call psb_error()
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return
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end if
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Return
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end subroutine psb_dmlprc_bld
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