You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
126 lines
4.7 KiB
Fortran
126 lines
4.7 KiB
Fortran
!!$
|
|
!!$
|
|
!!$ MLD2P4 version 2.0
|
|
!!$ MultiLevel Domain Decomposition Parallel Preconditioners Package
|
|
!!$ based on PSBLAS (Parallel Sparse BLAS version 3.3)
|
|
!!$
|
|
!!$ (C) Copyright 2008, 2010, 2012, 2015
|
|
!!$
|
|
!!$ Salvatore Filippone University of Rome Tor Vergata
|
|
!!$ Alfredo Buttari CNRS-IRIT, Toulouse
|
|
!!$ 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.
|
|
!!$
|
|
!!$
|
|
subroutine mld_c_base_onelev_build(lv,info,amold,vmold,imold)
|
|
use psb_base_mod
|
|
use mld_c_onelev_mod, mld_protect_name => mld_c_base_onelev_build
|
|
implicit none
|
|
class(mld_c_onelev_type), target, intent(inout) :: lv
|
|
integer(psb_ipk_), intent(out) :: info
|
|
class(psb_c_base_sparse_mat), intent(in), optional :: amold
|
|
class(psb_c_base_vect_type), intent(in), optional :: vmold
|
|
class(psb_i_base_vect_type), intent(in), optional :: imold
|
|
! Local
|
|
integer(psb_ipk_) :: err,i,k, err_act, iszv, newsz, casize
|
|
integer(psb_ipk_) :: ictxt, me, np
|
|
integer(psb_ipk_) :: ipv(mld_ifpsz_), val
|
|
integer(psb_ipk_) :: int_err(5)
|
|
integer(psb_ipk_) :: debug_level, debug_unit
|
|
character(len=20) :: name, ch_err
|
|
|
|
name = 'mld_onelev_build'
|
|
if (psb_get_errstatus().ne.0) return
|
|
info=psb_success_
|
|
err=0
|
|
call psb_erractionsave(err_act)
|
|
debug_unit = psb_get_debug_unit()
|
|
debug_level = psb_get_debug_level()
|
|
if (.not.associated(lv%base_desc)) then
|
|
info = psb_err_internal_error_
|
|
call psb_errpush(info,name,&
|
|
& a_err='Unassociated base DESC')
|
|
goto 9999
|
|
end if
|
|
info = psb_success_
|
|
int_err(1) = 0
|
|
ictxt = lv%base_desc%get_ctxt()
|
|
call psb_info(ictxt,me,np)
|
|
|
|
if (.not.allocated(lv%sm)) then
|
|
!! Error: should have called mld_dprecinit
|
|
info=3111
|
|
call psb_errpush(info,name)
|
|
goto 9999
|
|
end if
|
|
if (.not.allocated(lv%sm%sv)) then
|
|
!! Error: should have called mld_dprecinit
|
|
info=3111
|
|
call psb_errpush(info,name)
|
|
goto 9999
|
|
end if
|
|
lv%ac_nz_loc = lv%ac%get_nzeros()
|
|
lv%ac_nz_tot = lv%ac_nz_loc
|
|
call psb_sum(ictxt,lv%ac_nz_tot)
|
|
! end do
|
|
if (debug_level >= psb_debug_outer_) &
|
|
& write(debug_unit,*) me,' ',trim(name),&
|
|
& 'Calling mlprcbld at level ',i
|
|
call mld_check_def(lv%parms%sweeps,&
|
|
& 'Jacobi sweeps',izero,is_int_non_negative)
|
|
call mld_check_def(lv%parms%sweeps_pre,&
|
|
& 'Jacobi sweeps',izero,is_int_non_negative)
|
|
call mld_check_def(lv%parms%sweeps_post,&
|
|
& 'Jacobi sweeps',izero,is_int_non_negative)
|
|
|
|
call lv%sm%build(lv%base_a,lv%base_desc,&
|
|
& 'F',info,amold=amold,vmold=vmold,imold=imold)
|
|
if (info == 0) then
|
|
if (allocated(lv%sm2a)) then
|
|
call lv%sm2a%build(lv%base_a,lv%base_desc,'F',info,&
|
|
& amold=amold,vmold=vmold,imold=imold)
|
|
lv%sm2 => lv%sm2a
|
|
else
|
|
lv%sm2 => lv%sm
|
|
end if
|
|
end if
|
|
if (info /=0) then
|
|
info = psb_err_internal_error_
|
|
call psb_errpush(info,name,&
|
|
& a_err='Smoother bld error')
|
|
goto 9999
|
|
end if
|
|
|
|
call psb_erractionrestore(err_act)
|
|
return
|
|
|
|
9999 call psb_error_handler(err_act)
|
|
|
|
return
|
|
|
|
end subroutine mld_c_base_onelev_build
|