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