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600 lines
18 KiB
Fortran
600 lines
18 KiB
Fortran
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!
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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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! Current version of this file contributed by:
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! Ambra Abdullahi Hassan
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!
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!
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! File: amg_c_mumps_solver_mod.f90
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!
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! Module: amg_c_mumps_solver_mod
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!
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! This module defines:
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! - the amg_c_mumps_solver_type data structure containing the ingredients
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! to interface with the MUMPS package.
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! 1. The factorization can be either restricted to the diagonal block of the
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! current image or distributed (and thus exact).
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!
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module amg_c_mumps_solver
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use amg_c_base_solver_mod
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#if defined(HAVE_MUMPS_) && defined(HAVE_MUMPS_MODULES_)
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use cmumps_struc_def
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#endif
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#if defined(HAVE_MUMPS_) && defined(HAVE_MUMPS_INCLUDES_)
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include 'cmumps_struc.h'
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#endif
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type :: amg_c_mumps_icntl_item
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integer(psb_ipk_), allocatable :: item
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end type amg_c_mumps_icntl_item
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type :: amg_c_mumps_rcntl_item
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real(psb_spk_), allocatable :: item
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end type amg_c_mumps_rcntl_item
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type, extends(amg_c_base_solver_type) :: amg_c_mumps_solver_type
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#if defined(HAVE_MUMPS_)
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type(cmumps_struc), allocatable :: id
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#else
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integer, allocatable :: id
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#endif
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type(amg_c_mumps_icntl_item), allocatable :: icntl(:)
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type(amg_c_mumps_rcntl_item), allocatable :: rcntl(:)
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!
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! Controls to be set before MUMPS instantiation:
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!
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! IPAR(1) : MUMPS_LOC_GLOB 0==amg_local_solver_: 'LOCAL_SOLVER
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! 1==amg_global_solver_: 'GLOBAL_SOLVER'
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! IPAR(2) : MUMPS_PRINT_ERR print verbosity (see MUMPS)
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! IPAR(3) : MUMPS_SYM 0: non-symmetric 2: symmetric
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integer(psb_ipk_), dimension(3) :: ipar
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type(psb_ctxt_type), allocatable :: local_ctxt
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logical :: built = .false.
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contains
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procedure, pass(sv) :: build => c_mumps_solver_bld
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procedure, pass(sv) :: apply_a => c_mumps_solver_apply
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procedure, pass(sv) :: apply_v => c_mumps_solver_apply_vect
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procedure, pass(sv) :: clone_settings => c_mumps_solver_clone_settings
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procedure, pass(sv) :: clear_data => c_mumps_solver_clear_data
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procedure, pass(sv) :: free => c_mumps_solver_free
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procedure, pass(sv) :: descr => c_mumps_solver_descr
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procedure, pass(sv) :: sizeof => c_mumps_solver_sizeof
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procedure, pass(sv) :: csetc => c_mumps_solver_csetc
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procedure, pass(sv) :: cseti => c_mumps_solver_cseti
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procedure, pass(sv) :: csetr => c_mumps_solver_csetr
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procedure, pass(sv) :: default => c_mumps_solver_default
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procedure, nopass :: get_fmt => c_mumps_solver_get_fmt
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procedure, nopass :: get_id => c_mumps_solver_get_id
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procedure, pass(sv) :: is_global => c_mumps_solver_is_global
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final :: c_mumps_solver_finalize
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end type amg_c_mumps_solver_type
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private :: c_mumps_solver_bld, c_mumps_solver_apply, &
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& c_mumps_solver_free, c_mumps_solver_descr, &
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& c_mumps_solver_sizeof, c_mumps_solver_apply_vect,&
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& c_mumps_solver_cseti, c_mumps_solver_csetr, &
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& c_mumps_solver_csetc, c_mumps_solver_clear_data, &
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& c_mumps_solver_default, c_mumps_solver_get_fmt, &
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& c_mumps_solver_clone_settings, &
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& c_mumps_solver_get_id, c_mumps_solver_is_global
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private :: c_mumps_solver_finalize
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interface
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subroutine c_mumps_solver_apply_vect(alpha,sv,x,beta,y,desc_data,&
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& trans,work,wv,info,init,initu)
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import :: psb_desc_type, amg_c_mumps_solver_type, psb_c_vect_type, psb_dpk_, psb_spk_, &
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& psb_cspmat_type, psb_c_base_sparse_mat, psb_c_base_vect_type, psb_ipk_
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implicit none
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type(psb_desc_type), intent(in) :: desc_data
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class(amg_c_mumps_solver_type), intent(inout) :: sv
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type(psb_c_vect_type),intent(inout) :: x
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type(psb_c_vect_type),intent(inout) :: y
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complex(psb_spk_),intent(in) :: alpha,beta
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character(len=1),intent(in) :: trans
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complex(psb_spk_),target, intent(inout) :: work(:)
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type(psb_c_vect_type),intent(inout) :: wv(:)
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integer(psb_ipk_), intent(out) :: info
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character, intent(in), optional :: init
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type(psb_c_vect_type),intent(inout), optional :: initu
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end subroutine c_mumps_solver_apply_vect
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end interface
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interface
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subroutine c_mumps_solver_apply(alpha,sv,x,beta,y,desc_data,trans,work,info,init,initu)
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import :: psb_desc_type, amg_c_mumps_solver_type, psb_c_vect_type, psb_dpk_, psb_spk_, &
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& psb_cspmat_type, psb_c_base_sparse_mat, psb_c_base_vect_type, psb_ipk_
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implicit none
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type(psb_desc_type), intent(in) :: desc_data
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class(amg_c_mumps_solver_type), intent(inout) :: sv
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complex(psb_spk_),intent(inout) :: x(:)
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complex(psb_spk_),intent(inout) :: y(:)
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complex(psb_spk_),intent(in) :: alpha,beta
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character(len=1),intent(in) :: trans
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complex(psb_spk_),target, intent(inout) :: work(:)
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integer(psb_ipk_), intent(out) :: info
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character, intent(in), optional :: init
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complex(psb_spk_),intent(inout), optional :: initu(:)
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end subroutine c_mumps_solver_apply
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end interface
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interface
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subroutine c_mumps_solver_bld(a,desc_a,sv,info,b,amold,vmold,imold)
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import :: psb_desc_type, amg_c_mumps_solver_type, psb_c_vect_type, psb_spk_, &
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& psb_cspmat_type, psb_c_base_sparse_mat, psb_c_base_vect_type,&
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& psb_ipk_, psb_i_base_vect_type
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Implicit None
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! Arguments
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type(psb_cspmat_type), intent(inout), target :: a
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Type(psb_desc_type), Intent(inout) :: desc_a
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class(amg_c_mumps_solver_type), intent(inout) :: sv
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integer(psb_ipk_), intent(out) :: info
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type(psb_cspmat_type), intent(in), target, optional :: b
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class(psb_c_base_sparse_mat), intent(in), optional :: amold
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class(psb_c_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 c_mumps_solver_bld
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end interface
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contains
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subroutine c_mumps_solver_clone_settings(sv,svout,info)
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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_c_mumps_solver_type), intent(inout) :: sv
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class(amg_c_base_solver_type), intent(inout) :: svout
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integer(psb_ipk_), intent(out) :: info
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integer(psb_ipk_) :: k,err_act
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character(len=20) :: name='c_mumps_solver_clone_settings'
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info = 0
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#if defined(HAVE_MUMPS_)
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call psb_erractionsave(err_act)
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select type(svout)
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class is(amg_c_mumps_solver_type)
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svout%ipar(:) = sv%ipar(:)
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svout%built = .false.
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if (allocated(svout%icntl)) deallocate(svout%icntl,stat=info)
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if (info == 0) allocate(svout%icntl(amg_mumps_icntl_size),stat=info)
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if (info == 0) then
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do k=1,amg_mumps_icntl_size
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call psb_safe_ab_cpy(sv%icntl(k)%item,svout%icntl(k)%item,info)
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end do
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end if
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if (allocated(svout%rcntl)) deallocate(svout%rcntl,stat=info)
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if (info == 0) allocate(svout%rcntl(amg_mumps_rcntl_size),stat=info)
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if (info == 0) then
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do k=1,amg_mumps_rcntl_size
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call psb_safe_ab_cpy(sv%rcntl(k)%item,svout%rcntl(k)%item,info)
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end do
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end if
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class default
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info = psb_err_internal_error_
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call psb_errpush(info,name)
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goto 9999
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end select
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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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#endif
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end subroutine c_mumps_solver_clone_settings
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subroutine c_mumps_solver_clear_data(sv,info)
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use psb_base_mod, only : psb_exit
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Implicit None
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! Arguments
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class(amg_c_mumps_solver_type), intent(inout) :: sv
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integer(psb_ipk_), intent(out) :: info
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Integer(psb_ipk_) :: err_act
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character(len=20) :: name='c_mumps_solver_clear_data'
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info = 0
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#if defined(HAVE_MUMPS_)
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call psb_erractionsave(err_act)
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if (allocated(sv%id)) then
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if (sv%built) then
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sv%id%job = -2
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call cmumps(sv%id)
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info = sv%id%infog(1)
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if (info /= psb_success_) goto 9999
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end if
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deallocate(sv%id, stat=info)
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if (allocated(sv%local_ctxt)) then
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call psb_exit(sv%local_ctxt,close=.false.)
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deallocate(sv%local_ctxt,stat=info)
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end if
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sv%built=.false.
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end if
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call psb_erractionrestore(err_act)
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return
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9999 continue
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call psb_erractionrestore(err_act)
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if (err_act == psb_act_abort_) then
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call psb_error()
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return
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end if
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return
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#endif
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end subroutine c_mumps_solver_clear_data
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subroutine c_mumps_solver_free(sv,info)
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use psb_base_mod, only : psb_exit
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Implicit None
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! Arguments
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class(amg_c_mumps_solver_type), intent(inout) :: sv
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integer(psb_ipk_), intent(out) :: info
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Integer(psb_ipk_) :: err_act
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character(len=20) :: name='c_mumps_solver_free'
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info = 0
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#if defined(HAVE_MUMPS_)
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call psb_erractionsave(err_act)
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call sv%clear_data(info)
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if ((info == 0).and.allocated(sv%icntl)) deallocate(sv%icntl,stat=info)
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if ((info == 0).and.allocated(sv%rcntl)) deallocate(sv%rcntl,stat=info)
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call psb_erractionrestore(err_act)
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return
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9999 continue
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call psb_erractionrestore(err_act)
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if (err_act == psb_act_abort_) then
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call psb_error()
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return
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end if
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return
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#endif
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end subroutine c_mumps_solver_free
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subroutine c_mumps_solver_finalize(sv)
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Implicit None
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! Arguments
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type(amg_c_mumps_solver_type), intent(inout) :: sv
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integer(psb_ipk_) :: info
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Integer(psb_ipk_) :: err_act
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character(len=20) :: name='c_mumps_solver_finalize'
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call sv%free(info)
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return
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end subroutine c_mumps_solver_finalize
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subroutine c_mumps_solver_descr(sv,info,iout,coarse,prefix)
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Implicit None
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! Arguments
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class(amg_c_mumps_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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! Local variables
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integer(psb_ipk_) :: err_act
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type(psb_ctxt_type) :: ctxt
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integer(psb_ipk_) :: me, np
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character(len=20), parameter :: name='amg_z_mumps_solver_descr'
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integer(psb_ipk_) :: iout_
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character(1024) :: prefix_
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call psb_erractionsave(err_act)
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info = psb_success_
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if (present(iout)) then
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iout_ = iout
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else
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iout_ = psb_out_unit
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endif
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if (present(prefix)) then
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prefix_ = prefix
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else
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prefix_ = ""
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end if
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write(iout_,*) trim(prefix_), ' MUMPS Solver. '
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call psb_erractionrestore(err_act)
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return
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9999 continue
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call psb_erractionrestore(err_act)
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if (err_act == psb_act_abort_) then
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call psb_error()
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return
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end if
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return
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end subroutine c_mumps_solver_descr
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!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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!! WARNING: OTHER PARAMETERS OF MUMPS COULD BE ADDED. !!
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!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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subroutine c_mumps_solver_csetc(sv,what,val,info,idx)
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Implicit None
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! Arguments
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class(amg_c_mumps_solver_type), intent(inout) :: sv
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character(len=*), intent(in) :: what
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character(len=*), 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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integer(psb_ipk_) :: err_act
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character(len=20) :: name='c_mumps_solver_csetc'
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info = psb_success_
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call psb_erractionsave(err_act)
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select case(psb_toupper(trim(what)))
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#if defined(HAVE_MUMPS_)
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case('MUMPS_LOC_GLOB')
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sv%ipar(1) = sv%stringval(psb_toupper(trim(val)))
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#endif
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case default
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call sv%amg_c_base_solver_type%set(what,val,info,idx=idx)
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end select
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call psb_erractionrestore(err_act)
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return
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9999 continue
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call psb_erractionrestore(err_act)
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if (err_act == psb_act_abort_) then
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call psb_error()
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return
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end if
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return
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end subroutine c_mumps_solver_csetc
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subroutine c_mumps_solver_cseti(sv,what,val,info,idx)
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Implicit None
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! Arguments
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class(amg_c_mumps_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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integer(psb_ipk_) :: err_act
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character(len=20) :: name='c_mumps_solver_cseti'
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info = psb_success_
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call psb_erractionsave(err_act)
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select case(psb_toupper(what))
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#if defined(HAVE_MUMPS_)
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case('MUMPS_LOC_GLOB')
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sv%ipar(1) = val
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case('MUMPS_PRINT_ERR')
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sv%ipar(2) = val
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case('MUMPS_SYM')
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sv%ipar(3) = val
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case('MUMPS_IPAR_ENTRY')
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if(present(idx)) then
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! Note: this will allocate %item
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sv%icntl(idx)%item = val
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end if
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#endif
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case default
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call sv%amg_c_base_solver_type%set(what,val,info,idx=idx)
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end select
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call psb_erractionrestore(err_act)
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return
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9999 continue
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call psb_erractionrestore(err_act)
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if (err_act == psb_act_abort_) then
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call psb_error()
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return
|
|
end if
|
|
return
|
|
end subroutine c_mumps_solver_cseti
|
|
|
|
subroutine c_mumps_solver_csetr(sv,what,val,info,idx)
|
|
|
|
Implicit None
|
|
|
|
! Arguments
|
|
class(amg_c_mumps_solver_type), intent(inout) :: sv
|
|
character(len=*), intent(in) :: what
|
|
real(psb_spk_), intent(in) :: val
|
|
integer(psb_ipk_), intent(out) :: info
|
|
integer(psb_ipk_), intent(in), optional :: idx
|
|
integer(psb_ipk_) :: err_act
|
|
character(len=20) :: name='c_mumps_solver_csetr'
|
|
|
|
info = psb_success_
|
|
call psb_erractionsave(err_act)
|
|
|
|
select case(psb_toupper(what))
|
|
#if defined(HAVE_MUMPS_)
|
|
case('MUMPS_RPAR_ENTRY')
|
|
if(present(idx)) then
|
|
! Note: this will allocate %item
|
|
sv%rcntl(idx)%item = val
|
|
end if
|
|
#endif
|
|
case default
|
|
call sv%amg_c_base_solver_type%set(what,val,info,idx=idx)
|
|
end select
|
|
|
|
call psb_erractionrestore(err_act)
|
|
return
|
|
|
|
9999 continue
|
|
call psb_erractionrestore(err_act)
|
|
if (err_act == psb_act_abort_) then
|
|
call psb_error()
|
|
return
|
|
end if
|
|
return
|
|
end subroutine c_mumps_solver_csetr
|
|
|
|
!!NOTE: BY DEFAULT BLR is activated with a dropping parameter to 1d-4 !!
|
|
subroutine c_mumps_solver_default(sv)
|
|
|
|
Implicit none
|
|
|
|
!Argument
|
|
class(amg_c_mumps_solver_type),intent(inout) :: sv
|
|
integer(psb_ipk_) :: info
|
|
integer(psb_ipk_) :: err_act,ictx,icomm
|
|
character(len=20) :: name='c_mumps_default'
|
|
|
|
info = psb_success_
|
|
call psb_erractionsave(err_act)
|
|
|
|
#if defined(HAVE_MUMPS_)
|
|
if (.not.allocated(sv%id)) then
|
|
allocate(sv%id,stat=info)
|
|
if (info /= psb_success_) then
|
|
info=psb_err_alloc_dealloc_
|
|
call psb_errpush(info,name,a_err='amg_cmumps_default')
|
|
goto 9999
|
|
end if
|
|
sv%built=.false.
|
|
end if
|
|
if (.not.allocated(sv%icntl)) then
|
|
allocate(sv%icntl(amg_mumps_icntl_size),stat=info)
|
|
if (info /= psb_success_) then
|
|
info=psb_err_alloc_dealloc_
|
|
call psb_errpush(info,name,a_err='amg_cmumps_default')
|
|
goto 9999
|
|
end if
|
|
end if
|
|
if (.not.allocated(sv%rcntl)) then
|
|
allocate(sv%rcntl(amg_mumps_rcntl_size),stat=info)
|
|
if (info /= psb_success_) then
|
|
info=psb_err_alloc_dealloc_
|
|
call psb_errpush(info,name,a_err='amg_cmumps_default')
|
|
goto 9999
|
|
end if
|
|
end if
|
|
! INSTANTIATION OF sv%id needed to set parmater but mpi communicator needed
|
|
! sv%id%job = -1
|
|
! sv%id%par=1
|
|
! call dmumps(sv%id)
|
|
sv%ipar = 0
|
|
sv%ipar(1) = amg_global_solver_
|
|
!sv%ipar(10)=6
|
|
!sv%ipar(11)=0
|
|
!sv%ipar(12)=6
|
|
|
|
#endif
|
|
call psb_erractionrestore(err_act)
|
|
return
|
|
|
|
9999 continue
|
|
call psb_erractionrestore(err_act)
|
|
if (err_act == psb_act_abort_) then
|
|
call psb_error()
|
|
return
|
|
end if
|
|
return
|
|
|
|
end subroutine c_mumps_solver_default
|
|
|
|
function c_mumps_solver_sizeof(sv) result(val)
|
|
|
|
implicit none
|
|
! Arguments
|
|
class(amg_c_mumps_solver_type), intent(in) :: sv
|
|
integer(psb_epk_) :: val
|
|
integer :: i
|
|
#if defined(HAVE_MUMPS_)
|
|
val = (sv%id%INFOG(22)+sv%id%INFOG(32))*1d+6
|
|
#else
|
|
val = 0
|
|
#endif
|
|
! val = 2*psb_sizeof_ip + psb_sizeof_dp
|
|
! val = val + sv%symbsize
|
|
! val = val + sv%numsize
|
|
return
|
|
end function c_mumps_solver_sizeof
|
|
|
|
function c_mumps_solver_get_fmt() result(val)
|
|
implicit none
|
|
character(len=32) :: val
|
|
|
|
val = "MUMPS solver"
|
|
end function c_mumps_solver_get_fmt
|
|
|
|
function c_mumps_solver_get_id() result(val)
|
|
implicit none
|
|
integer(psb_ipk_) :: val
|
|
|
|
val = amg_mumps_
|
|
end function c_mumps_solver_get_id
|
|
|
|
|
|
function c_mumps_solver_is_global(sv) result(val)
|
|
implicit none
|
|
class(amg_c_mumps_solver_type), intent(in) :: sv
|
|
logical :: val
|
|
|
|
val = (sv%ipar(1) == amg_global_solver_ )
|
|
end function c_mumps_solver_is_global
|
|
|
|
end module amg_c_mumps_solver
|
|
|