EulerSolver.cpp

/***************************************************************************
 *   This file is part of OpenCAL: Open Computer Animation Library         *
 *   I created OpenCAL as my master's thesis Computer Science (multimedia) *
 *   at the tUL university in Diepenbeek, Belgium                          *
 *                                                                         *
 *   Copyright (C) 2003-2004 by Jeroen Dierckx                             *
 *   jeroen.dierckx@student.luc.ac.be                                      *
 *                                                                         *
 ***************************************************************************/

// Includes
#include "EulerSolver.h"
//#include <OpenCAL/PhaseSpace.h>
#include <OpenCAL/ODESource.h>
using namespace OpenCAL;

using namespace std;


/******************************
* Constructors and destructor *
******************************/

EulerSolver::EulerSolver()
{
}

EulerSolver::~EulerSolver()
{
}


/************************
* Get and set functions *
************************/


/******************
* Other functions *
******************/

/*
void EulerSolver::solve(float stepSize, const PhaseSpace &state, const PhaseSpace &deriv, PhaseSpace *result)
{

    for(unsigned int i = 0; i < state.getSize(); ++i)
    {
        //result->setValue(i, state[i] + stepSize * deriv[i]);
        result->add(state[i] + stepSize * deriv[i]);
    }
}
*/

void EulerSolver::solve(float stepSize, ODESource *source)
{
    source->fillState();
    source->fillDerivative();

    PhaseSpace &state = *(source->getState());
    PhaseSpace &deriv = *(source->getDerivative());

    state.add(deriv, stepSize);

    source->fromState();
}


/**********************
* Protected functions *
**********************/

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