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132 lines
6.0 KiB
Fortran
132 lines
6.0 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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! File: amg_inner_mod.f90
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!
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! Module: amg_inner_mod
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!
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! This module defines the interfaces to inner AMG4PSBLAS routines.
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! The interfaces of the user level routines are defined in amg_prec_mod.f90.
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!
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module amg_d_inner_mod
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use psb_base_mod, only : psb_dspmat_type, psb_desc_type, psb_i_base_vect_type, &
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& psb_dpk_, psb_d_base_sparse_mat, psb_d_base_vect_type, psb_ipk_, &
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& psb_d_vect_type, psb_lpk_, psb_ldspmat_type
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use amg_d_prec_type, only : amg_dprec_type, amg_dml_parms, &
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& amg_d_onelev_type, amg_dmlprec_wrk_type
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interface amg_mlprec_bld
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subroutine amg_dmlprec_bld(a,desc_a,prec,info, amold, vmold,imold)
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import :: psb_dspmat_type, psb_desc_type, psb_i_base_vect_type, &
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& psb_dpk_, psb_d_base_sparse_mat, psb_d_base_vect_type, psb_ipk_
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import :: amg_dprec_type
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implicit none
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type(psb_dspmat_type), intent(in), target :: a
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type(psb_desc_type), intent(inout), target :: desc_a
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type(amg_dprec_type), intent(inout), target :: prec
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integer(psb_ipk_), intent(out) :: info
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class(psb_d_base_sparse_mat), intent(in), optional :: amold
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class(psb_d_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 amg_dmlprec_bld
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end interface amg_mlprec_bld
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interface amg_mlprec_aply
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subroutine amg_dmlprec_aply(alpha,p,x,beta,y,desc_data,trans,work,info)
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import :: psb_dspmat_type, psb_desc_type, psb_dpk_, psb_ipk_
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import :: amg_dprec_type
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implicit none
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type(psb_desc_type),intent(in) :: desc_data
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type(amg_dprec_type), intent(inout) :: p
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real(psb_dpk_),intent(in) :: alpha,beta
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real(psb_dpk_),intent(inout) :: x(:)
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real(psb_dpk_),intent(inout) :: y(:)
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character,intent(in) :: trans
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real(psb_dpk_),target :: work(:)
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integer(psb_ipk_), intent(out) :: info
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end subroutine amg_dmlprec_aply
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subroutine amg_dmlprec_aply_vect(alpha,p,x,beta,y,desc_data,trans,work,info)
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import :: psb_dspmat_type, psb_desc_type, &
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& psb_dpk_, psb_d_vect_type, psb_ipk_
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import :: amg_dprec_type
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implicit none
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type(psb_desc_type),intent(in) :: desc_data
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type(amg_dprec_type), intent(inout) :: p
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real(psb_dpk_),intent(in) :: alpha,beta
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type(psb_d_vect_type),intent(inout) :: x
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type(psb_d_vect_type),intent(inout) :: y
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character,intent(in) :: trans
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real(psb_dpk_),target :: work(:)
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integer(psb_ipk_), intent(out) :: info
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end subroutine amg_dmlprec_aply_vect
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end interface amg_mlprec_aply
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interface amg_map_to_tprol
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subroutine amg_d_map_to_tprol(desc_a,ilaggr,nlaggr,op_prol,info)
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import :: psb_dspmat_type, psb_desc_type, psb_dpk_, psb_ipk_, psb_lpk_, psb_ldspmat_type
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import :: amg_d_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_ldspmat_type), intent(out) :: op_prol
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integer(psb_ipk_), intent(out) :: info
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end subroutine amg_d_map_to_tprol
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end interface amg_map_to_tprol
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abstract interface
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subroutine amg_daggrmat_var_bld(a,desc_a,ilaggr,nlaggr,parms,&
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& ac,desc_ac,op_prol,op_restr,t_prol,info)
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import :: psb_dspmat_type, psb_desc_type, psb_dpk_, psb_ipk_, psb_lpk_, psb_ldspmat_type
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import :: amg_d_onelev_type, amg_dml_parms
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implicit none
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type(psb_dspmat_type), intent(in) :: a
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type(psb_desc_type), intent(inout) :: desc_a
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integer(psb_lpk_), intent(inout) :: ilaggr(:), nlaggr(:)
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type(amg_dml_parms), intent(inout) :: parms
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type(psb_dspmat_type), intent(inout) :: op_prol,ac,op_restr
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type(psb_ldspmat_type), intent(inout) :: t_prol
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type(psb_desc_type), intent(inout) :: desc_ac
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integer(psb_ipk_), intent(out) :: info
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end subroutine amg_daggrmat_var_bld
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end interface
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procedure(amg_daggrmat_var_bld) :: amg_daggrmat_nosmth_bld, &
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& amg_daggrmat_smth_bld, amg_daggrmat_minnrg_bld
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end module amg_d_inner_mod
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