Robot Simulator of the Robotics Group for Self-Organization of Control: sparsematrix.h Source File

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# sparsematrix.h

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    00001 /***************************************************************************
    00002  *   Copyright (C) 2005 by Robot Group Leipzig                             *
    00003  *    martius@informatik.uni-leipzig.de                                    *
    00004  *    fhesse@informatik.uni-leipzig.de                                     *
    00005  *    der@informatik.uni-leipzig.de                                        *
    00006  *    guettler@informatik.uni-leipzig.de                                   *
    00007  *                                                                         *
    00008  *   This program is free software; you can redistribute it and/or modify  *
    00009  *   it under the terms of the GNU General Public License as published by  *
    00010  *   the Free Software Foundation; either version 2 of the License, or     *
    00011  *   (at your option) any later version.                                   *
    00012  *                                                                         *
    00013  *   This program is distributed in the hope that it will be useful,       *
    00014  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
    00015  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
    00016  *   GNU General Public License for more details.                          *
    00017  *                                                                         *
    00018  *   You should have received a copy of the GNU General Public License     *
    00019  *   along with this program; if not, write to the                         *
    00020  *   Free Software Foundation, Inc.,                                       *
    00021  *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
    00022  ***************************************************************************
    00023  *                                                                         *
    00024  *  DESCRIPTION                                                            *
    00025  *  sparse matrix: Elements are stored in a HashTable
    00026  *                                                                         *
    00027  *                                                                         *
    00028  *  $Log: sparsematrix.h,v $
    00029  *  Revision 1.1  2009/08/03 08:33:36  guettler
    00030  *  SparseMatrix as a subclass of SparseArray.
    00031  *  Uses a hashmap for matrix elements.
    00032  *  first (and fast) implemented version.
    00033  *                                           *
    00034  *                                                                         *
    00035  **************************************************************************/
    00036 #ifndef __SPARSEMATRIX_H_
    00037 #define __SPARSEMATRIX_H_
    00038
    00039 #include "sparsearray.h"
    00040
    00041 namespace matrix
    00042 {
    00043
    00044   /**
    00045    * sparse matrix which uses an HashTable
    00046    * first (fast implemented) version
    00047    * @author guettler
    00048    */
    00049   template<typename I, typename D> class SparseMatrix : public matrix::SparseArray<I, D>
    00050   {
    00051   public:
    00052      SparseMatrix(I m, I n) : SparseArray<I, D>(m*n), m(m), n(n) {}
    00053
    00054      virtual ~SparseMatrix() {}
    00055
    00056      virtual inline D val(I row, I column) const { return (*this)[row*m+column]; }
    00057
    00058      virtual inline D& val(I row, I column) { return (*this)[row*m+column]; }
    00059
    00060      virtual inline I getM() { return m; }
    00061      virtual inline I getN() { return n; }
    00062
    00063    protected:
    00064      I m;
    00065      I n;
    00066   };
    00067
    00068 }
    00069
    00070 #ifdef UNITTEST
    00071 #include "sparsematrix.tests.hpp"
    00072 #endif
    00073
    00074 #endif /* __SPARSEMATRIX_H_ */