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98 lines
3.7 KiB
Fortran
98 lines
3.7 KiB
Fortran
!
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!
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! AMG4PSBLAS version 1.0
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! Algebraic Multigrid Package
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! based on PSBLAS (Parallel Sparse BLAS version 3.7)
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!
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! (C) Copyright 2021
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!
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! Salvatore Filippone
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! Pasqua D'Ambra
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! Fabio Durastante
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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 AMG4PSBLAS 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 AMG4PSBLAS 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 amg_s_as_smoother_cnv(sm,info,amold,vmold,imold)
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use psb_base_mod
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use amg_s_as_smoother, amg_protect_nam => amg_s_as_smoother_cnv
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Implicit None
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! Arguments
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class(amg_s_as_smoother_type), intent(inout) :: sm
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integer(psb_ipk_), intent(out) :: info
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class(psb_s_base_sparse_mat), intent(in), optional :: amold
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class(psb_s_base_vect_type), intent(in), optional :: vmold
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class(psb_i_base_vect_type), intent(in), optional :: imold
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! Local variables
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type(psb_dspmat_type) :: blck, atmp
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integer(psb_ipk_) :: n_row,n_col, nrow_a, nhalo, novr, data_, nzeros
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real(psb_dpk_), pointer :: ww(:), aux(:), tx(:),ty(:)
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type(psb_ctxt_type) :: ctxt
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integer(psb_ipk_) :: np, me, i, err_act, debug_unit, debug_level
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character(len=20) :: name='d_as_smoother_cnv', ch_err
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info=psb_success_
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call psb_erractionsave(err_act)
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debug_unit = psb_get_debug_unit()
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debug_level = psb_get_debug_level()
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ctxt = sm%desc_data%get_context()
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call psb_info(ctxt, me, np)
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if (debug_level >= psb_debug_outer_) &
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& write(debug_unit,*) me,' ',trim(name),' start'
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if (allocated(sm%sv)) &
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& call sm%sv%cnv(info,amold=amold,vmold=vmold,imold=imold)
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if (info == psb_success_) then
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if (present(amold)) then
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if (sm%nd%is_asb()) call sm%nd%cscnv(info,&
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& mold=amold,dupl=psb_dupl_add_)
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end if
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end if
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if (info == psb_success_) then
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if (present(imold)) then
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call sm%desc_data%cnv(imold)
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end if
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end if
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if (info /= psb_success_) then
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call psb_errpush(psb_err_from_subroutine_,name,a_err='clip & psb_spcnv csr 4')
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goto 9999
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end if
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if (debug_level >= psb_debug_outer_) &
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& write(debug_unit,*) me,' ',trim(name),' end'
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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 amg_s_as_smoother_cnv
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