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131 lines
6.0 KiB
Fortran
131 lines
6.0 KiB
Fortran
!
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!
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! MLD2P4 version 2.2
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! MultiLevel Domain Decomposition Parallel Preconditioners Package
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! based on PSBLAS (Parallel Sparse BLAS version 3.5)
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!
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! (C) Copyright 2008-2018
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!
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! Salvatore Filippone
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! Pasqua D'Ambra
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! Daniela di Serafino
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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 MLD2P4 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 MLD2P4 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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! File: mld_inner_mod.f90
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!
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! Module: mld_inner_mod
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!
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! This module defines the interfaces to inner MLD2P4 routines.
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! The interfaces of the user level routines are defined in mld_prec_mod.f90.
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!
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module mld_s_inner_mod
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use psb_base_mod, only : psb_sspmat_type, psb_desc_type, psb_i_base_vect_type, &
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& psb_spk_, psb_s_base_sparse_mat, psb_s_base_vect_type, psb_ipk_, &
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& psb_s_vect_type, psb_lpk_, psb_lsspmat_type
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use mld_s_prec_type, only : mld_sprec_type, mld_sml_parms, &
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& mld_s_onelev_type, mld_smlprec_wrk_type
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interface mld_mlprec_bld
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subroutine mld_smlprec_bld(a,desc_a,prec,info, amold, vmold,imold)
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import :: psb_sspmat_type, psb_desc_type, psb_i_base_vect_type, &
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& psb_spk_, psb_s_base_sparse_mat, psb_s_base_vect_type, psb_ipk_
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import :: mld_sprec_type
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implicit none
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type(psb_sspmat_type), intent(in), target :: a
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type(psb_desc_type), intent(inout), target :: desc_a
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type(mld_sprec_type), intent(inout), target :: prec
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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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end subroutine mld_smlprec_bld
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end interface mld_mlprec_bld
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interface mld_mlprec_aply
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subroutine mld_smlprec_aply(alpha,p,x,beta,y,desc_data,trans,work,info)
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import :: psb_sspmat_type, psb_desc_type, psb_spk_, psb_ipk_
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import :: mld_sprec_type
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implicit none
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type(psb_desc_type),intent(in) :: desc_data
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type(mld_sprec_type), intent(inout) :: p
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real(psb_spk_),intent(in) :: alpha,beta
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real(psb_spk_),intent(inout) :: x(:)
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real(psb_spk_),intent(inout) :: y(:)
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character,intent(in) :: trans
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real(psb_spk_),target :: work(:)
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integer(psb_ipk_), intent(out) :: info
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end subroutine mld_smlprec_aply
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subroutine mld_smlprec_aply_vect(alpha,p,x,beta,y,desc_data,trans,work,info)
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import :: psb_sspmat_type, psb_desc_type, &
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& psb_spk_, psb_s_vect_type, psb_ipk_
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import :: mld_sprec_type
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implicit none
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type(psb_desc_type),intent(in) :: desc_data
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type(mld_sprec_type), intent(inout) :: p
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real(psb_spk_),intent(in) :: alpha,beta
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type(psb_s_vect_type),intent(inout) :: x
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type(psb_s_vect_type),intent(inout) :: y
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character,intent(in) :: trans
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real(psb_spk_),target :: work(:)
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integer(psb_ipk_), intent(out) :: info
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end subroutine mld_smlprec_aply_vect
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end interface mld_mlprec_aply
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interface mld_map_to_tprol
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subroutine mld_s_map_to_tprol(desc_a,ilaggr,nlaggr,op_prol,info)
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import :: psb_sspmat_type, psb_desc_type, psb_spk_, psb_ipk_, psb_lpk_, psb_lsspmat_type
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import :: mld_s_onelev_type
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implicit none
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type(psb_desc_type), intent(in) :: desc_a
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integer(psb_lpk_), allocatable, intent(inout) :: ilaggr(:),nlaggr(:)
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type(psb_lsspmat_type), intent(out) :: op_prol
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integer(psb_ipk_), intent(out) :: info
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end subroutine mld_s_map_to_tprol
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end interface mld_map_to_tprol
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abstract interface
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subroutine mld_saggrmat_var_bld(a,desc_a,ilaggr,nlaggr,parms,ac,op_prol,op_restr,info)
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import :: psb_sspmat_type, psb_desc_type, psb_spk_, psb_ipk_, psb_lpk_, psb_lsspmat_type
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import :: mld_s_onelev_type, mld_sml_parms
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implicit none
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type(psb_sspmat_type), intent(in) :: a
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type(psb_desc_type), intent(in) :: desc_a
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integer(psb_lpk_), intent(inout) :: ilaggr(:), nlaggr(:)
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type(mld_sml_parms), intent(inout) :: parms
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type(psb_lsspmat_type), intent(inout) :: op_prol
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type(psb_lsspmat_type), intent(out) :: ac,op_restr
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integer(psb_ipk_), intent(out) :: info
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end subroutine mld_saggrmat_var_bld
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end interface
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procedure(mld_saggrmat_var_bld) :: mld_saggrmat_nosmth_bld, &
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& mld_saggrmat_smth_bld, mld_saggrmat_minnrg_bld, &
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& mld_saggrmat_biz_bld
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end module mld_s_inner_mod
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