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test_segment_nodetype.cc
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Fri, Aug 30, 01:29
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rAKA akantu
test_segment_nodetype.cc
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/**
* @file test_segment_nodetype.cc
*
* @author Marco Vocialta <marco.vocialta@epfl.ch>
*
* @date creation: Fri Sep 18 2015
*
* @brief Test to verify that the node type is correctly associated to
* the segments in parallel
*
* @section LICENSE
*
* Copyright (©) 2015 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 "mesh_utils.hh"
#include "distributed_synchronizer.hh"
/* -------------------------------------------------------------------------- */
using
namespace
akantu
;
int
main
(
int
argc
,
char
*
argv
[])
{
initialize
(
argc
,
argv
);
UInt
spatial_dimension
=
3
;
Mesh
mesh
(
spatial_dimension
);
StaticCommunicator
&
comm
=
StaticCommunicator
::
getStaticCommunicator
();
Int
psize
=
comm
.
getNbProc
();
Int
prank
=
comm
.
whoAmI
();
DistributedSynchronizer
*
dist
=
NULL
;
// partition the mesh
if
(
prank
==
0
)
{
mesh
.
read
(
"mesh.msh"
);
MeshPartitionScotch
partition
(
mesh
,
spatial_dimension
);
partition
.
partitionate
(
psize
);
dist
=
DistributedSynchronizer
::
createDistributedSynchronizerMesh
(
mesh
,
&
partition
);
}
else
{
dist
=
DistributedSynchronizer
::
createDistributedSynchronizerMesh
(
mesh
,
NULL
);
}
// compute the node types for each segment
Mesh
mesh_facets
(
mesh
.
initMeshFacets
());
MeshUtils
::
buildSegmentToNodeType
(
mesh
,
mesh_facets
,
dist
);
// verify that the number of segments per node type makes sense
std
::
map
<
Int
,
UInt
>
nb_facets_per_nodetype
;
UInt
nb_segments
=
0
;
for
(
ghost_type_t
::
iterator
gt
=
ghost_type_t
::
begin
();
gt
!=
ghost_type_t
::
end
();
++
gt
)
{
GhostType
ghost_type
=
*
gt
;
const
Array
<
Int
>
&
segment_to_nodetype
=
mesh_facets
.
getData
<
Int
>
(
"segment_to_nodetype"
,
_segment_2
,
ghost_type
);
// count the number of segments per node type
for
(
UInt
s
=
0
;
s
<
segment_to_nodetype
.
getSize
();
++
s
)
{
if
(
nb_facets_per_nodetype
.
find
(
segment_to_nodetype
(
s
))
==
nb_facets_per_nodetype
.
end
())
nb_facets_per_nodetype
[
segment_to_nodetype
(
s
)]
=
1
;
else
++
nb_facets_per_nodetype
[
segment_to_nodetype
(
s
)];
}
nb_segments
+=
segment_to_nodetype
.
getSize
();
}
// checking the solution
if
(
nb_segments
!=
24
)
AKANTU_DEBUG_ERROR
(
"The number of segments is wrong"
);
if
(
prank
==
0
)
{
if
(
nb_facets_per_nodetype
[
-
1
]
!=
3
||
nb_facets_per_nodetype
[
-
2
]
!=
9
||
nb_facets_per_nodetype
[
-
3
]
!=
12
)
AKANTU_DEBUG_ERROR
(
"The segments of processor 0 have the wrong node type"
);
if
(
nb_facets_per_nodetype
.
size
()
>
3
)
AKANTU_DEBUG_ERROR
(
"Processor 0 cannot have any slave segment"
);
}
if
(
prank
==
psize
-
1
&&
nb_facets_per_nodetype
.
find
(
-
2
)
!=
nb_facets_per_nodetype
.
end
())
AKANTU_DEBUG_ERROR
(
"The last processor must not have any master facets"
);
finalize
();
return
0
;
}
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