RungeKutta4IvpOdeSolver.hpp

00001 /*
00002 
00003 Copyright (C) University of Oxford, 2005-2009
00004 
00005 University of Oxford means the Chancellor, Masters and Scholars of the
00006 University of Oxford, having an administrative office at Wellington
00007 Square, Oxford OX1 2JD, UK.
00008 
00009 This file is part of Chaste.
00010 
00011 Chaste is free software: you can redistribute it and/or modify it
00012 under the terms of the GNU Lesser General Public License as published
00013 by the Free Software Foundation, either version 2.1 of the License, or
00014 (at your option) any later version.
00015 
00016 Chaste is distributed in the hope that it will be useful, but WITHOUT
00017 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
00018 FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public
00019 License for more details. The offer of Chaste under the terms of the
00020 License is subject to the License being interpreted in accordance with
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00022 being under the jurisdiction of the English Courts.
00023 
00024 You should have received a copy of the GNU Lesser General Public License
00025 along with Chaste. If not, see <http://www.gnu.org/licenses/>.
00026 
00027 */
00028 
00029 
00033 #ifndef _RUNGEKUTTA4IVPODESOLVER_HPP_
00034 #define _RUNGEKUTTA4IVPODESOLVER_HPP_
00035 
00036 #include "AbstractOneStepIvpOdeSolver.hpp"
00037 #include "AbstractOdeSystem.hpp"
00038 #include "OdeSolution.hpp"
00039 
00040 #include <vector>
00041 
00042 class RungeKutta4IvpOdeSolver : public AbstractOneStepIvpOdeSolver
00043 {
00044 protected:
00045     void CalculateNextYValue(AbstractOdeSystem* pAbstractOdeSystem,
00046                              double timeStep,
00047                              double time,
00048                              std::vector<double>& currentYValues,
00049                              std::vector<double>& nextYValues);
00050 
00051 private:
00052     // Working memory
00053     std::vector<double> k1;
00054     std::vector<double> k2;
00055     std::vector<double> k3;
00056     std::vector<double> k4;
00057     std::vector<double> yki;
00058 };
00059 
00060 #endif //_RUNGEKUTTA4IVPODESOLVER_HPP_

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