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mesh_partition_mesh_data.cc
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Mon, Sep 9, 16:44
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rAKA akantu
mesh_partition_mesh_data.cc
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/**
* @file mesh_partition_mesh_data.cc
*
* @author Dana Christen <dana.christen@epfl.ch>
* @author David Simon Kammer <david.kammer@epfl.ch>
*
* @date creation: Fri May 03 2013
* @date last modification: Wed Nov 11 2015
*
* @brief implementation of the MeshPartitionMeshData class
*
* @section LICENSE
*
* Copyright (©) 2014, 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_partition_mesh_data.hh"
#if !defined(AKANTU_NDEBUG)
#include <set>
#endif
/* -------------------------------------------------------------------------- */
namespace
akantu
{
/* -------------------------------------------------------------------------- */
MeshPartitionMeshData
::
MeshPartitionMeshData
(
const
Mesh
&
mesh
,
UInt
spatial_dimension
,
const
ID
&
id
,
const
MemoryID
&
memory_id
)
:
MeshPartition
(
mesh
,
spatial_dimension
,
id
,
memory_id
)
{
AKANTU_DEBUG_IN
();
AKANTU_DEBUG_OUT
();
}
/* -------------------------------------------------------------------------- */
MeshPartitionMeshData
::
MeshPartitionMeshData
(
const
Mesh
&
mesh
,
const
ElementTypeMapArray
<
UInt
>
&
mapping
,
UInt
spatial_dimension
,
const
ID
&
id
,
const
MemoryID
&
memory_id
)
:
MeshPartition
(
mesh
,
spatial_dimension
,
id
,
memory_id
),
partition_mapping
(
&
mapping
)
{
AKANTU_DEBUG_IN
();
AKANTU_DEBUG_OUT
();
}
/* -------------------------------------------------------------------------- */
void
MeshPartitionMeshData
::
partitionate
(
UInt
nb_part
,
__attribute__
((
unused
))
const
EdgeLoadFunctor
&
edge_load_func
,
const
Array
<
UInt
>
&
pairs
)
{
AKANTU_DEBUG_IN
();
tweakConnectivity
(
pairs
);
nb_partitions
=
nb_part
;
GhostType
ghost_type
=
_not_ghost
;
UInt
spatial_dimension
=
mesh
.
getSpatialDimension
();
Mesh
::
type_iterator
it
=
mesh
.
firstType
(
spatial_dimension
,
ghost_type
,
_ek_not_defined
);
Mesh
::
type_iterator
end
=
mesh
.
lastType
(
spatial_dimension
,
ghost_type
,
_ek_not_defined
);
UInt
linearized_el
=
0
;
UInt
nb_elements
=
mesh
.
getNbElement
(
mesh
.
getSpatialDimension
(),
ghost_type
);
auto
*
partition_list
=
new
Int
[
nb_elements
];
#if !defined(AKANTU_NDEBUG)
std
::
set
<
UInt
>
partitions
;
#endif
for
(;
it
!=
end
;
++
it
)
{
ElementType
type
=
*
it
;
const
Array
<
UInt
>
&
partition_array
=
(
*
partition_mapping
)(
type
,
ghost_type
);
Array
<
UInt
>::
const_iterator
<
Vector
<
UInt
>
>
p_it
=
partition_array
.
begin
(
1
);
Array
<
UInt
>::
const_iterator
<
Vector
<
UInt
>
>
p_end
=
partition_array
.
end
(
1
);
AKANTU_DEBUG_ASSERT
(
UInt
(
p_end
-
p_it
)
==
mesh
.
getNbElement
(
type
,
ghost_type
),
"The partition mapping does not have the right number "
<<
"of entries for type "
<<
type
<<
" and ghost type "
<<
ghost_type
<<
"."
<<
" Tags="
<<
p_end
-
p_it
<<
" Mesh="
<<
mesh
.
getNbElement
(
type
,
ghost_type
));
for
(;
p_it
!=
p_end
;
++
p_it
,
++
linearized_el
)
{
partition_list
[
linearized_el
]
=
(
*
p_it
)(
0
);
#if !defined(AKANTU_NDEBUG)
partitions
.
insert
((
*
p_it
)(
0
));
#endif
}
}
#if !defined(AKANTU_NDEBUG)
AKANTU_DEBUG_ASSERT
(
partitions
.
size
()
==
nb_part
,
"The number of real partitions does not match with the "
"number of asked partitions"
);
#endif
fillPartitionInformation
(
mesh
,
partition_list
);
delete
[]
partition_list
;
restoreConnectivity
();
AKANTU_DEBUG_OUT
();
}
/* -------------------------------------------------------------------------- */
void
MeshPartitionMeshData
::
reorder
()
{
AKANTU_DEBUG_TO_IMPLEMENT
();
}
/* -------------------------------------------------------------------------- */
void
MeshPartitionMeshData
::
setPartitionMapping
(
const
ElementTypeMapArray
<
UInt
>
&
mapping
)
{
partition_mapping
=
&
mapping
;
}
/* -------------------------------------------------------------------------- */
void
MeshPartitionMeshData
::
setPartitionMappingFromMeshData
(
const
std
::
string
&
data_name
)
{
partition_mapping
=
&
(
mesh
.
getData
<
UInt
>
(
data_name
));
}
}
// akantu
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