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test_sparse_matrix_profile.cc
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rAKA akantu
test_sparse_matrix_profile.cc
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/**
* @file test_sparse_matrix_profile.cc
*
* @author Nicolas Richart <nicolas.richart@epfl.ch>
*
* @date creation: Mon Dec 13 2010
* @date last modification: Mon Sep 15 2014
*
* @brief test the profile generation of the SparseMatrix class
*
* @section LICENSE
*
* Copyright (©) 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/>.
*
*/
/* -------------------------------------------------------------------------- */
#include <cstdlib>
/* -------------------------------------------------------------------------- */
#include "aka_common.hh"
#include "mesh.hh"
#include "mesh_io.hh"
#include "sparse_matrix.hh"
#include "dof_synchronizer.hh"
#ifdef AKANTU_USE_SCOTCH
#include "mesh_partition_scotch.hh"
#endif
/* -------------------------------------------------------------------------- */
int
main
(
int
argc
,
char
*
argv
[])
{
akantu
::
initialize
(
argc
,
argv
);
akantu
::
UInt
spatial_dimension
=
2
;
akantu
::
Mesh
mesh
(
spatial_dimension
);
akantu
::
MeshIOMSH
mesh_io
;
mesh_io
.
read
(
"triangle.msh"
,
mesh
);
akantu
::
SparseMatrix
sparse_matrix_hand
(
10
,
akantu
::
_symmetric
,
"hand"
);
for
(
akantu
::
UInt
i
=
0
;
i
<
10
;
++
i
)
{
sparse_matrix_hand
.
addToProfile
(
i
,
i
);
}
sparse_matrix_hand
.
addToProfile
(
0
,
9
);
for
(
akantu
::
UInt
i
=
0
;
i
<
10
;
++
i
)
{
sparse_matrix_hand
.
addToMatrix
(
i
,
i
,
i
*
10
);
}
sparse_matrix_hand
.
addToMatrix
(
0
,
9
,
100
);
sparse_matrix_hand
.
saveProfile
(
"profile_hand.mtx"
);
sparse_matrix_hand
.
saveMatrix
(
"matrix_hand.mtx"
);
/* ------------------------------------------------------------------------ */
akantu
::
UInt
nb_nodes
=
mesh
.
getNbNodes
();
akantu
::
SparseMatrix
sparse_matrix
(
nb_nodes
*
spatial_dimension
,
akantu
::
_symmetric
,
"mesh"
);
akantu
::
DOFSynchronizer
dof_synchronizer
(
mesh
,
spatial_dimension
);
dof_synchronizer
.
initGlobalDOFEquationNumbers
();
sparse_matrix
.
buildProfile
(
mesh
,
dof_synchronizer
,
spatial_dimension
);
sparse_matrix
.
saveProfile
(
"profile.mtx"
);
/* ------------------------------------------------------------------------ */
#ifdef AKANTU_USE_SCOTCH
mesh_io
.
write
(
"triangle_breorder.msh"
,
mesh
);
akantu
::
MeshPartition
*
partition
=
new
akantu
::
MeshPartitionScotch
(
mesh
,
spatial_dimension
);
partition
->
reorder
();
delete
partition
;
akantu
::
DOFSynchronizer
dof_synchronizer_re
(
mesh
,
spatial_dimension
);
dof_synchronizer_re
.
initGlobalDOFEquationNumbers
();
sparse_matrix
.
buildProfile
(
mesh
,
dof_synchronizer_re
,
spatial_dimension
);
sparse_matrix
.
saveProfile
(
"profile_reorder.mtx"
);
mesh_io
.
write
(
"triangle_reorder.msh"
,
mesh
);
#endif
akantu
::
finalize
();
return
EXIT_SUCCESS
;
}
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