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rAKA akantu
solver_mumps.hh
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/**
* @file solver_mumps.hh
*
* @author Nicolas Richart <nicolas.richart@epfl.ch>
*
* @date creation: Mon Dec 13 2010
* @date last modification: Mon Sep 15 2014
*
* @brief Solver class implementation for the mumps solver
*
* @section LICENSE
*
* Copyright (©) 2010-2012, 2014 EPFL (Ecole Polytechnique Fédérale de Lausanne)
* Laboratory (LSMS - Laboratoire de Simulation en Mécanique des Solides)
*
* Akantu is free software: you can redistribute it and/or modify it under the
* terms of the GNU Lesser General Public License as published by the Free
* Software Foundation, either version 3 of the License, or (at your option) any
* later version.
*
* Akantu is distributed in the hope that it will be useful, but WITHOUT ANY
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
* A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
* details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with Akantu. If not, see <http://www.gnu.org/licenses/>.
*
*/
/* -------------------------------------------------------------------------- */
#ifndef __AKANTU_SOLVER_MUMPS_HH__
#define __AKANTU_SOLVER_MUMPS_HH__
#include <dmumps_c.h>
#include "solver.hh"
#include "static_communicator.hh"
__BEGIN_AKANTU__
class
SolverMumpsOptions
:
public
SolverOptions
{
public
:
enum
ParallelMethod
{
_not_parallel
,
_fully_distributed
,
_master_slave_distributed
};
SolverMumpsOptions
(
ParallelMethod
parallel_method
=
_fully_distributed
)
:
SolverOptions
(),
parallel_method
(
parallel_method
)
{
}
private
:
friend
class
SolverMumps
;
ParallelMethod
parallel_method
;
};
class
SolverMumps
:
public
Solver
{
/* ------------------------------------------------------------------------ */
/* Constructors/Destructors */
/* ------------------------------------------------------------------------ */
public
:
SolverMumps
(
SparseMatrix
&
sparse_matrix
,
const
ID
&
id
=
"solver_mumps"
,
const
MemoryID
&
memory_id
=
0
);
virtual
~
SolverMumps
();
/* ------------------------------------------------------------------------ */
/* Methods */
/* ------------------------------------------------------------------------ */
public
:
/// build the profile and do the analysis part
virtual
void
initialize
(
SolverOptions
&
options
=
_solver_no_options
);
void
initializeSlave
(
SolverOptions
&
options
=
_solver_no_options
);
/// analysis (symbolic facto + permutations)
virtual
void
analysis
();
/// factorize the matrix
virtual
void
factorize
();
/// solve the system
virtual
void
solve
(
Array
<
Real
>
&
solution
);
virtual
void
solve
();
void
solveSlave
();
virtual
void
setRHS
(
Array
<
Real
>
&
rhs
);
private
:
/// print the error if any happened in mumps
void
printError
();
/// clean the mumps info
virtual
void
destroyInternalData
();
/// set internal values;
void
initMumpsData
();
/* ------------------------------------------------------------------------ */
/* Accessors */
/* ------------------------------------------------------------------------ */
private
:
/// access the control variable
inline
Int
&
icntl
(
UInt
i
)
{
return
mumps_data
.
icntl
[
i
-
1
];
}
/// access the results info
inline
Int
&
info
(
UInt
i
)
{
return
mumps_data
.
info
[
i
-
1
];
}
/* ------------------------------------------------------------------------ */
/* Class Members */
/* ------------------------------------------------------------------------ */
private
:
/// mumps data
DMUMPS_STRUC_C
mumps_data
;
/// specify if the mumps_data are initialized or not
bool
is_mumps_data_initialized
;
UInt
prank
;
/* ------------------------------------------------------------------------ */
/* Local types */
/* ------------------------------------------------------------------------ */
private
:
SolverMumpsOptions
::
ParallelMethod
parallel_method
;
bool
rhs_is_local
;
enum
SolverMumpsJob
{
_smj_initialize
=
-
1
,
_smj_analyze
=
1
,
_smj_factorize
=
2
,
_smj_solve
=
3
,
_smj_analyze_factorize
=
4
,
_smj_factorize_solve
=
5
,
_smj_complete
=
6
,
// analyze, factorize, solve
_smj_destroy
=
-
2
};
};
__END_AKANTU__
#endif
/* __AKANTU_SOLVER_MUMPS_HH__ */
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