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rAKA/mesh_utils/mesh_partition.hh
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mesh_partition.hh
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/**
* @file mesh_partition.hh
* @author Nicolas Richart <nicolas.richart@epfl.ch>
* @date Thu Aug 12 16:24:40 2010
*
* @brief tools to partitionate a mesh
*
* @section LICENSE
*
* Copyright (©) 2010-2011 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_MESH_PARTITION_HH__
#define __AKANTU_MESH_PARTITION_HH__
/* -------------------------------------------------------------------------- */
#include "aka_memory.hh"
#include "mesh.hh"
/* -------------------------------------------------------------------------- */
__BEGIN_AKANTU__
class MeshPartition : public Memory {
/* ------------------------------------------------------------------------ */
/* Constructors/Destructors */
/* ------------------------------------------------------------------------ */
public:
MeshPartition(const Mesh & mesh, UInt spatial_dimension,
const MemoryID & memory_id = 0);
virtual ~MeshPartition();
/* ------------------------------------------------------------------------ */
/* Methods */
/* ------------------------------------------------------------------------ */
public:
virtual void partitionate(UInt nb_part) = 0;
virtual void reorder() = 0;
/// function to print the contain of the class
//virtual void printself(std::ostream & stream, int indent = 0) const = 0;
protected:
/// build the dual graph of the mesh, for all element of spatial_dimension
void buildDualGraph(Vector<Int> & dxadj, Vector<Int> & dadjncy);
/// fill the partitions array with a given linearized partition information
void fillPartitionInformations(const Mesh & mesh, const Int * linearized_partitions);
/* ------------------------------------------------------------------------ */
/* Accessors */
/* ------------------------------------------------------------------------ */
public:
AKANTU_GET_MACRO_BY_ELEMENT_TYPE(Partition, partitions, const Vector<UInt> &);
AKANTU_GET_MACRO_BY_ELEMENT_TYPE(GhostPartition,
ghost_partitions, const Vector<UInt> &);
AKANTU_GET_MACRO_BY_ELEMENT_TYPE(GhostPartitionOffset,
ghost_partitions_offset, const Vector<UInt> &);
AKANTU_GET_MACRO(NbPartition, nb_partitions, UInt);
/* ------------------------------------------------------------------------ */
/* Class Members */
/* ------------------------------------------------------------------------ */
protected:
/// id
std::string id;
/// the mesh to partition
const Mesh & mesh;
/// dimension of the elements to consider in the mesh
UInt spatial_dimension;
/// number of partitions
UInt nb_partitions;
/// partition numbers
ByElementTypeUInt partitions;
ByElementTypeUInt ghost_partitions;
ByElementTypeUInt ghost_partitions_offset;
};
/* -------------------------------------------------------------------------- */
/* inline functions */
/* -------------------------------------------------------------------------- */
//#include "mesh_partition_inline_impl.cc"
/// standard output stream operator
// inline std::ostream & operator <<(std::ostream & stream, const MeshPartition & _this)
// {
// _this.printself(stream);
// return stream;
// }
__END_AKANTU__
#endif /* __AKANTU_MESH_PARTITION_HH__ */
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