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sparse_matrix.hh
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/**
* @file sparse_matrix.hh
*
* @author Nicolas Richart <nicolas.richart@epfl.ch>
*
* @date creation: Mon Dec 13 2010
* @date last modification: Mon Sep 15 2014
*
* @brief sparse matrix storage class (distributed assembled matrix)
* This is a COO format (Coordinate List)
*
* @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_SPARSE_MATRIX_HH__
#define __AKANTU_SPARSE_MATRIX_HH__
/* -------------------------------------------------------------------------- */
#include "dof_manager.hh"
#include "mesh.hh"
__BEGIN_AKANTU__
class SparseMatrix : protected Memory {
/* ------------------------------------------------------------------------ */
/* Constructors/Destructors */
/* ------------------------------------------------------------------------ */
public:
SparseMatrix(DOFManager & dof_manager,
const MatrixType & matrix_type,
const ID & id = "sparse_matrix",
const MemoryID & memory_id = 0);
SparseMatrix(const SparseMatrix & matrix,
const ID & id = "sparse_matrix",
const MemoryID & memory_id = 0);
virtual ~SparseMatrix();
/* ------------------------------------------------------------------------ */
/* Methods */
/* ------------------------------------------------------------------------ */
public:
/// remove the existing profile
virtual void clearProfile();
/// set the matrix to 0
virtual void clear();
/// add a non-zero element to the profile
virtual inline UInt addToProfile(UInt i, UInt j) = 0;
/// assemble a local matrix in the sparse one
virtual inline void addToMatrix(UInt i, UInt j, Real value) = 0;
/// save the profil in a file using the MatrixMarket file format
virtual void saveProfile(const std::string & filename) const;
/// save the matrix in a file using the MatrixMarket file format
virtual void saveMatrix(const std::string & filename) const;
/// copy assuming the profile are the same
virtual void copyContent(const SparseMatrix & matrix);
/// add matrix assuming the profile are the same
virtual void add(const SparseMatrix & matrix, Real alpha);
/// modify the matrix to "remove" the blocked dof
virtual void applyBoundary(const Array<bool> & boundary, Real block_val = 1.);
/* ------------------------------------------------------------------------ */
/* Accessors */
/* ------------------------------------------------------------------------ */
public:
/// return the values at potition i, j
virtual inline const Real & operator()(UInt i, UInt j) const { AKANTU_DEBUG_TO_IMPLEMENT(); }
/// return the values at potition i, j
virtual inline Real & operator()(UInt i, UInt j) { AKANTU_DEBUG_TO_IMPLEMENT(); }
AKANTU_GET_MACRO(NbNonZero, nb_non_zero, UInt);
AKANTU_GET_MACRO(Size, size, UInt);
AKANTU_GET_MACRO(MatrixType, matrix_type, const MatrixType &);
/* ------------------------------------------------------------------------ */
/* Class Members */
/* ------------------------------------------------------------------------ */
protected:
/// Underlying dof manager
DOFManager & dof_manager;
/// sparce matrix type
MatrixType matrix_type;
/// Size of the matrix
UInt size;
/// number of processors
UInt nb_proc;
/// number of non zero element
UInt nb_non_zero;
};
Array<Real> & operator*=(Array<Real> & vect, const SparseMatrix & mat);
__END_AKANTU__
/* -------------------------------------------------------------------------- */
/* inline functions */
/* -------------------------------------------------------------------------- */
#include "sparse_matrix_inline_impl.cc"
#endif /* __AKANTU_SPARSE_MATRIX_HH__ */

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