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amg4psblas/amgprec/amg_d_inner_mod.f90

132 lines
6.0 KiB
Fortran

!
!
! AMG4PSBLAS version 1.0
! Algebraic Multigrid Package
! based on PSBLAS (Parallel Sparse BLAS version 3.7)
!
! (C) Copyright 2021
!
! Salvatore Filippone
! Pasqua D'Ambra
! Fabio Durastante
!
! 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 AMG4PSBLAS 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 AMG4PSBLAS 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.
!
!
! File: amg_inner_mod.f90
!
! Module: amg_inner_mod
!
! This module defines the interfaces to inner AMG4PSBLAS routines.
! The interfaces of the user level routines are defined in amg_prec_mod.f90.
!
module amg_d_inner_mod
use psb_base_mod, only : psb_dspmat_type, psb_desc_type, psb_i_base_vect_type, &
& psb_dpk_, psb_d_base_sparse_mat, psb_d_base_vect_type, psb_ipk_, &
& psb_d_vect_type, psb_lpk_, psb_ldspmat_type
use amg_d_prec_type, only : amg_dprec_type, amg_dml_parms, &
& amg_d_onelev_type, amg_dmlprec_wrk_type
interface amg_mlprec_bld
subroutine amg_dmlprec_bld(a,desc_a,prec,info, amold, vmold,imold)
import :: psb_dspmat_type, psb_desc_type, psb_i_base_vect_type, &
& psb_dpk_, psb_d_base_sparse_mat, psb_d_base_vect_type, psb_ipk_
import :: amg_dprec_type
implicit none
type(psb_dspmat_type), intent(in), target :: a
type(psb_desc_type), intent(inout), target :: desc_a
type(amg_dprec_type), intent(inout), target :: prec
integer(psb_ipk_), intent(out) :: info
class(psb_d_base_sparse_mat), intent(in), optional :: amold
class(psb_d_base_vect_type), intent(in), optional :: vmold
class(psb_i_base_vect_type), intent(in), optional :: imold
end subroutine amg_dmlprec_bld
end interface amg_mlprec_bld
interface amg_mlprec_aply
subroutine amg_dmlprec_aply(alpha,p,x,beta,y,desc_data,trans,work,info)
import :: psb_dspmat_type, psb_desc_type, psb_dpk_, psb_ipk_
import :: amg_dprec_type
implicit none
type(psb_desc_type),intent(in) :: desc_data
type(amg_dprec_type), intent(inout) :: p
real(psb_dpk_),intent(in) :: alpha,beta
real(psb_dpk_),intent(inout) :: x(:)
real(psb_dpk_),intent(inout) :: y(:)
character,intent(in) :: trans
real(psb_dpk_),target :: work(:)
integer(psb_ipk_), intent(out) :: info
end subroutine amg_dmlprec_aply
subroutine amg_dmlprec_aply_vect(alpha,p,x,beta,y,desc_data,trans,work,info)
import :: psb_dspmat_type, psb_desc_type, &
& psb_dpk_, psb_d_vect_type, psb_ipk_
import :: amg_dprec_type
implicit none
type(psb_desc_type),intent(in) :: desc_data
type(amg_dprec_type), intent(inout) :: p
real(psb_dpk_),intent(in) :: alpha,beta
type(psb_d_vect_type),intent(inout) :: x
type(psb_d_vect_type),intent(inout) :: y
character,intent(in) :: trans
real(psb_dpk_),target :: work(:)
integer(psb_ipk_), intent(out) :: info
end subroutine amg_dmlprec_aply_vect
end interface amg_mlprec_aply
interface amg_map_to_tprol
subroutine amg_d_map_to_tprol(desc_a,ilaggr,nlaggr,op_prol,info)
import :: psb_dspmat_type, psb_desc_type, psb_dpk_, psb_ipk_, psb_lpk_, psb_ldspmat_type
import :: amg_d_onelev_type
implicit none
type(psb_desc_type), intent(in) :: desc_a
integer(psb_lpk_), allocatable, intent(inout) :: ilaggr(:),nlaggr(:)
type(psb_ldspmat_type), intent(out) :: op_prol
integer(psb_ipk_), intent(out) :: info
end subroutine amg_d_map_to_tprol
end interface amg_map_to_tprol
abstract interface
subroutine amg_daggrmat_var_bld(a,desc_a,ilaggr,nlaggr,parms,&
& ac,desc_ac,op_prol,op_restr,t_prol,info)
import :: psb_dspmat_type, psb_desc_type, psb_dpk_, psb_ipk_, psb_lpk_, psb_ldspmat_type
import :: amg_d_onelev_type, amg_dml_parms
implicit none
type(psb_dspmat_type), intent(in) :: a
type(psb_desc_type), intent(inout) :: desc_a
integer(psb_lpk_), intent(inout) :: ilaggr(:), nlaggr(:)
type(amg_dml_parms), intent(inout) :: parms
type(psb_dspmat_type), intent(inout) :: op_prol,ac,op_restr
type(psb_ldspmat_type), intent(inout) :: t_prol
type(psb_desc_type), intent(inout) :: desc_ac
integer(psb_ipk_), intent(out) :: info
end subroutine amg_daggrmat_var_bld
end interface
procedure(amg_daggrmat_var_bld) :: amg_daggrmat_nosmth_bld, &
& amg_daggrmat_smth_bld, amg_daggrmat_minnrg_bld
end module amg_d_inner_mod