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!
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! Parallel Sparse BLAS version 3.5
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! (C) Copyright 2006-2018
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! Salvatore Filippone
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! Alfredo Buttari
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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 PSBLAS 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 PSBLAS 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 psi_i_renum_index(iperm,idx,info)
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use psi_mod, psi_protect_name => psi_i_renum_index
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use psb_serial_mod
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implicit none
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integer(psb_ipk_), intent(out) :: info
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integer(psb_ipk_), intent(in) :: iperm(:)
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integer(psb_ipk_), intent(inout) :: idx(:)
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integer(psb_ipk_) :: i,j,k,nh
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i=1
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k=idx(i)
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do while (k /= -1)
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i = i+1
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nh = idx(i)
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do j = i+1, i+nh
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idx(j) = iperm(idx(j))
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enddo
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i = i + nh + 1
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nh = idx(i)
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do j = i+1, i+nh
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idx(j) = iperm(idx(j))
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enddo
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i = i + nh + 1
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k = idx(i)
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enddo
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end subroutine psi_i_renum_index
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subroutine psi_i_cnv_dsc(halo_in,ovrlap_in,ext_in,cdesc, info, mold)
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use psi_mod, psi_protect_name => psi_i_cnv_dsc
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use psb_timers_mod
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use psb_realloc_mod
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implicit none
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! ....scalars parameters....
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integer(psb_ipk_), intent(in) :: halo_in(:), ovrlap_in(:),ext_in(:)
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type(psb_desc_type), intent(inout) :: cdesc
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integer(psb_ipk_), intent(out) :: info
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class(psb_i_base_vect_type), optional, intent(in) :: mold
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! ....local scalars....
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type(psb_ctxt_type) :: ctxt
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integer(psb_ipk_) :: np,me
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integer(psb_ipk_) :: err_act,nxch,nsnd,nrcv,j,k
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! ...local array...
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integer(psb_ipk_), allocatable :: idx_out(:), tmp_mst_idx(:)
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! ...parameters
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integer(psb_ipk_) :: debug_level, debug_unit
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logical, parameter :: debug=.false.
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character(len=20) :: name
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logical, parameter :: do_timings=.false.
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integer(psb_ipk_), save :: idx_phase1=-1, idx_phase2=-1, idx_phase3=-1
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integer(psb_ipk_), save :: idx_phase11=-1, idx_phase12=-1, idx_phase13=-1
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name='psi_cnv_desc'
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call psb_get_erraction(err_act)
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debug_level = psb_get_debug_level()
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debug_unit = psb_get_debug_unit()
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info = psb_success_
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ctxt = cdesc%get_context()
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call psb_info(ctxt,me,np)
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if (np == -1) then
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info = psb_err_context_error_
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call psb_errpush(info,name)
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goto 9999
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endif
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if ((do_timings).and.(idx_phase1==-1)) &
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& idx_phase1 = psb_get_timer_idx("PSI_CNV_DSC: phase1 ")
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if ((do_timings).and.(idx_phase2==-1)) &
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& idx_phase2 = psb_get_timer_idx("PSI_CNV_DSC: phase2")
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if ((do_timings).and.(idx_phase3==-1)) &
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& idx_phase3 = psb_get_timer_idx("PSI_CNV_DSC: phase3")
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if ((do_timings).and.(idx_phase11==-1)) &
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& idx_phase11 = psb_get_timer_idx("PSI_CNV_DSC: phase11 ")
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if ((do_timings).and.(idx_phase12==-1)) &
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& idx_phase12 = psb_get_timer_idx("PSI_CNV_DSC: phase12")
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if ((do_timings).and.(idx_phase13==-1)) &
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& idx_phase13 = psb_get_timer_idx("PSI_CNV_DSC: phase13")
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if (do_timings) call psb_tic(idx_phase1)
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if (do_timings) call psb_tic(idx_phase11)
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! first the halo index
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if (debug_level>0) write(debug_unit,*) me,'Calling crea_index on halo',&
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& size(halo_in)
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call psi_crea_index(cdesc,halo_in, idx_out,nxch,nsnd,nrcv,info)
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if (info /= psb_success_) then
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call psb_errpush(psb_err_from_subroutine_,name,a_err='psi_crea_index')
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goto 9999
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end if
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call psb_move_alloc(idx_out,cdesc%halo_index,info)
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if (debug_level>0) write(debug_unit,*) me,'Done crea_index on halo'
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if (debug_level>0) write(debug_unit,*) me,'Calling crea_index on ext'
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if (do_timings) call psb_toc(idx_phase11)
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if (do_timings) call psb_tic(idx_phase12)
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! then ext index
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if (debug_level>0) write(debug_unit,*) me,'Calling crea_index on ext'
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call psi_crea_index(cdesc,ext_in, idx_out,nxch,nsnd,nrcv,info)
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if (info /= psb_success_) then
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call psb_errpush(psb_err_from_subroutine_,name,a_err='psi_crea_index')
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goto 9999
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end if
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call psb_move_alloc(idx_out,cdesc%ext_index,info)
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if (debug_level>0) write(debug_unit,*) me,'Done crea_index on ext'
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if (debug_level>0) write(debug_unit,*) me,'Calling crea_index on ovrlap'
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if (do_timings) call psb_toc(idx_phase12)
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if (do_timings) call psb_tic(idx_phase13)
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! then the overlap index
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call psi_crea_index(cdesc,ovrlap_in, idx_out,nxch,nsnd,nrcv,info)
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if (info /= psb_success_) then
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call psb_errpush(psb_err_from_subroutine_,name,a_err='psi_crea_index')
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goto 9999
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end if
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call psb_move_alloc(idx_out,cdesc%ovrlap_index,info)
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if (info /= psb_success_) then
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call psb_errpush(psb_err_from_subroutine_,name,a_err='psb_move_alloc')
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goto 9999
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end if
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if (do_timings) call psb_toc(idx_phase13)
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if (do_timings) call psb_toc(idx_phase1)
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if (do_timings) call psb_tic(idx_phase2)
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! next ovrlap_elem
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if (debug_level>0) write(debug_unit,*) me,'Calling crea_ovr_elem'
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call psi_crea_ovr_elem(me,cdesc%ovrlap_index,cdesc%ovrlap_elem,info)
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if (debug_level>0) write(debug_unit,*) me,'Done crea_ovr_elem'
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if (info /= psb_success_) then
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call psb_errpush(psb_err_from_subroutine_,name,a_err='psi_crea_ovr_elem')
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goto 9999
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end if
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! Extract ovr_mst_idx from ovrlap_elem
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if (debug_level>0) write(debug_unit,*) me,'Calling bld_ovr_mst'
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call psi_bld_ovr_mst(me,cdesc%ovrlap_elem,tmp_mst_idx,info)
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if (info == psb_success_) call psi_crea_index(cdesc,&
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& tmp_mst_idx,idx_out,nxch,nsnd,nrcv,info)
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if (debug_level>0) write(debug_unit,*) me,'Done crea_indx'
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if (info /= psb_success_) then
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call psb_errpush(psb_err_from_subroutine_,name,a_err='psi_bld_ovr_mst')
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goto 9999
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end if
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call psb_move_alloc(idx_out,cdesc%ovr_mst_idx,info)
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if (info /= psb_success_) then
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call psb_errpush(psb_err_from_subroutine_,name,a_err='psb_move_alloc')
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goto 9999
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end if
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if (do_timings) call psb_toc(idx_phase2)
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if (do_timings) call psb_tic(idx_phase3)
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! finally bnd_elem
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call psi_crea_bnd_elem(idx_out,cdesc,info)
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if (info == psb_success_) call psb_move_alloc(idx_out,cdesc%bnd_elem,info)
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call cdesc%v_halo_index%bld(cdesc%halo_index,mold=mold)
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call cdesc%v_ext_index%bld(cdesc%ext_index,mold=mold)
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call cdesc%v_ovrlap_index%bld(cdesc%ovrlap_index,mold=mold)
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call cdesc%v_ovr_mst_idx%bld(cdesc%ovr_mst_idx,mold=mold)
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if (info /= psb_success_) then
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call psb_errpush(psb_err_from_subroutine_,name,a_err='psi_crea_bnd_elem')
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goto 9999
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end if
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if (debug_level>0) write(debug_unit,*) me,'Done crea_bnd_elem'
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if (do_timings) call psb_toc(idx_phase3)
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call psb_erractionrestore(err_act)
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return
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9999 call psb_error_handler(ctxt,err_act)
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return
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end subroutine psi_i_cnv_dsc
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subroutine psi_i_bld_ovr_mst(me,ovrlap_elem,mst_idx,info)
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use psi_mod, psi_protect_name => psi_i_bld_ovr_mst
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use psb_realloc_mod
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implicit none
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! ....scalars parameters....
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integer(psb_ipk_), intent(in) :: me, ovrlap_elem(:,:)
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integer(psb_ipk_), allocatable, intent(out) :: mst_idx(:)
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integer(psb_ipk_), intent(out) :: info
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integer(psb_ipk_) :: i, j, proc, nov,isz, ip, err_act, idx
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character(len=20) :: name
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name='psi_bld_ovr_mst'
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call psb_get_erraction(err_act)
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nov = size(ovrlap_elem,1)
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isz = 3*nov+1
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call psb_realloc(isz,mst_idx,info)
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if (info /= psb_success_) then
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call psb_errpush(psb_err_internal_error_,name,a_err='reallocate')
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goto 9999
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end if
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mst_idx = -1
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j = 1
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do i=1, nov
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proc = ovrlap_elem(i,3)
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if (me /= proc) then
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idx = ovrlap_elem(i,1)
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mst_idx(j+0) = proc
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mst_idx(j+1) = 1
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mst_idx(j+2) = idx
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j = j + 3
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end if
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end do
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mst_idx(j) = -1
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call psb_erractionrestore(err_act)
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return
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9999 call psb_error_handler(err_act)
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return
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end subroutine psi_i_bld_ovr_mst
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