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102 lines
3.8 KiB
Fortran
102 lines
3.8 KiB
Fortran
!!$
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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 mld_daggrmat_asb(a,desc_a,ac,desc_ac,p,info)
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use psb_base_mod
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use mld_prec_mod, mld_protect_name => mld_daggrmat_asb
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implicit none
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type(psb_dspmat_type), intent(in), target :: a
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type(mld_dbaseprc_type), intent(inout), target :: p
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type(psb_dspmat_type), intent(inout), target :: ac
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type(psb_desc_type), intent(in) :: desc_a
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type(psb_desc_type), intent(inout) :: desc_ac
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integer, intent(out) :: info
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logical, parameter :: aggr_dump=.false.
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integer ::ictxt,np,me, err_act, icomm
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character(len=20) :: name, ch_err
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name='mld_aggrmat_asb'
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if(psb_get_errstatus().ne.0) return
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info=0
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call psb_erractionsave(err_act)
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ictxt = psb_cd_get_context(desc_a)
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icomm = psb_cd_get_mpic(desc_a)
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call psb_info(ictxt, me, np)
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select case (p%iprcparm(mld_aggr_kind_))
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case (mld_no_smooth_)
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call mld_aggrmat_raw_asb(a,desc_a,ac,desc_ac,p,info)
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if(info /= 0) then
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call psb_errpush(4010,name,a_err='raw_aggregate')
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goto 9999
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end if
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if (aggr_dump) call psb_csprt(90+me,ac,head='% Raw aggregate.')
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case(mld_smooth_prol_,mld_biz_prol_)
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if (aggr_dump) call psb_csprt(70+me,a,head='% Input matrix')
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call mld_aggrmat_smth_asb(a,desc_a,ac,desc_ac,p,info)
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if(info /= 0) then
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call psb_errpush(4010,name,a_err='smooth_aggregate')
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goto 9999
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end if
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if (aggr_dump) call psb_csprt(90+me,ac,head='% Smooth aggregate.')
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case default
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call psb_errpush(4010,name,a_err=name)
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goto 9999
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end select
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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.psb_act_abort_) then
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call psb_error()
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return
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end if
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return
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end subroutine mld_daggrmat_asb
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