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184 lines
7.0 KiB
Fortran
184 lines
7.0 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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!
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!
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!
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!
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module amg_d_invt_solver
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use amg_d_base_solver_mod
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use amg_d_base_ainv_mod
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use psb_base_mod, only : psb_d_vect_type
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type, extends(amg_d_base_ainv_solver_type) :: amg_d_invt_solver_type
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integer(psb_ipk_) :: fill_in, inv_fill
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real(psb_dpk_) :: thresh, inv_thresh
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contains
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procedure, pass(sv) :: check => amg_d_invt_solver_check
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procedure, pass(sv) :: clone => amg_d_invt_solver_clone
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procedure, pass(sv) :: clone_settings => amg_d_invt_solver_clone_settings
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procedure, pass(sv) :: build => amg_d_invt_solver_bld
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procedure, pass(sv) :: cseti => amg_d_invt_solver_cseti
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procedure, pass(sv) :: csetr => amg_d_invt_solver_csetr
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procedure, pass(sv) :: descr => amg_d_invt_solver_descr
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procedure, pass(sv) :: default => d_invt_solver_default
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end type amg_d_invt_solver_type
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private :: d_invt_solver_default
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interface
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subroutine amg_d_invt_solver_clone(sv,svout,info)
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import :: psb_desc_type, psb_dspmat_type, psb_d_base_sparse_mat, &
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& amg_d_base_solver_type, psb_dpk_, amg_d_invt_solver_type, psb_ipk_
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Implicit None
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class(amg_d_invt_solver_type), intent(inout) :: sv
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class(amg_d_base_solver_type), allocatable, intent(inout) :: svout
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integer(psb_ipk_), intent(out) :: info
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end subroutine amg_d_invt_solver_clone
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end interface
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interface
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subroutine amg_d_invt_solver_clone_settings(sv,svout,info)
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import :: psb_desc_type, psb_dspmat_type, psb_d_base_sparse_mat, &
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& amg_d_base_solver_type, psb_dpk_, amg_d_invt_solver_type, psb_ipk_
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Implicit None
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class(amg_d_invt_solver_type), intent(inout) :: sv
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class(amg_d_base_solver_type), allocatable, intent(inout) :: svout
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integer(psb_ipk_), intent(out) :: info
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end subroutine amg_d_invt_solver_clone_settings
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end interface
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interface
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subroutine amg_d_invt_solver_bld(a,desc_a,sv,info,b,amold,vmold,imold)
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import :: psb_desc_type, psb_dspmat_type, psb_d_base_sparse_mat, &
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& psb_d_vect_type, psb_d_base_vect_type, psb_dpk_,&
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& amg_d_invt_solver_type, psb_i_base_vect_type, psb_ipk_
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Implicit None
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! Arguments
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type(psb_dspmat_type), intent(in), target :: a
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Type(psb_desc_type), Intent(inout) :: desc_a
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class(amg_d_invt_solver_type), intent(inout) :: sv
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integer(psb_ipk_), intent(out) :: info
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type(psb_dspmat_type), intent(in), target, optional :: b
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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_d_invt_solver_bld
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end interface
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interface
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subroutine amg_d_invt_solver_check(sv,info)
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import :: amg_d_invt_solver_type, psb_ipk_
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Implicit None
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! Arguments
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class(amg_d_invt_solver_type), intent(inout) :: sv
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integer(psb_ipk_), intent(out) :: info
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end subroutine amg_d_invt_solver_check
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end interface
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interface
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subroutine amg_d_invt_solver_cseti(sv,what,val,info,idx)
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import :: psb_desc_type, psb_dspmat_type, psb_d_base_sparse_mat, psb_ipk_,&
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& psb_d_vect_type, psb_d_base_vect_type, psb_dpk_, amg_d_invt_solver_type
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Implicit None
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! Arguments
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class(amg_d_invt_solver_type), intent(inout) :: sv
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character(len=*), intent(in) :: what
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integer(psb_ipk_), intent(in) :: val
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integer(psb_ipk_), intent(out) :: info
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integer(psb_ipk_), intent(in), optional :: idx
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end subroutine amg_d_invt_solver_cseti
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end interface
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interface
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subroutine amg_d_invt_solver_csetr(sv,what,val,info,idx)
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import :: psb_desc_type, psb_dspmat_type, psb_d_base_sparse_mat, psb_ipk_,&
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& psb_d_vect_type, psb_d_base_vect_type, psb_dpk_, amg_d_invt_solver_type
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Implicit None
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! Arguments
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class(amg_d_invt_solver_type), intent(inout) :: sv
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character(len=*), intent(in) :: what
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real(psb_dpk_), intent(in) :: val
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integer(psb_ipk_), intent(out) :: info
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integer(psb_ipk_), intent(in), optional :: idx
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end subroutine amg_d_invt_solver_csetr
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end interface
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interface
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subroutine amg_d_invt_solver_descr(sv,info,iout,coarse,prefix)
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import :: psb_dpk_, amg_d_invt_solver_type, psb_ipk_
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Implicit None
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! Arguments
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class(amg_d_invt_solver_type), intent(in) :: sv
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integer(psb_ipk_), intent(out) :: info
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integer(psb_ipk_), intent(in), optional :: iout
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logical, intent(in), optional :: coarse
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character(len=*), intent(in), optional :: prefix
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end subroutine amg_d_invt_solver_descr
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end interface
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contains
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subroutine d_invt_solver_default(sv)
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!use psb_base_mod
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Implicit None
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! Arguments
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class(amg_d_invt_solver_type), intent(inout) :: sv
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sv%fill_in = 0
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sv%inv_fill = 0
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sv%thresh = dzero
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sv%inv_thresh = dzero
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return
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end subroutine d_invt_solver_default
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end module amg_d_invt_solver
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