TimeStepper.hpp

/*

Copyright (c) 2005-2012, University of Oxford.
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University of Oxford, having an administrative office at Wellington
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This file is part of Chaste.

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modification, are permitted provided that the following conditions are met:
 * Redistributions of source code must retain the above copyright notice,
   this list of conditions and the following disclaimer.
 * Redistributions in binary form must reproduce the above copyright notice,
   this list of conditions and the following disclaimer in the documentation
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   contributors may be used to endorse or promote products derived from this
   software without specific prior written permission.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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*/

#ifndef TIMESTEPPER_HPP_
#define TIMESTEPPER_HPP_

#include <vector>
#include <climits>
#include <boost/serialization/vector.hpp>

#include "ChasteSerialization.hpp"
#include "Exception.hpp"

class TimeStepper
{
    friend class TestTimeStepper;
private:
    /*
     * Private default constructor for archiving
     */
     TimeStepper(){};

public:

    TimeStepper(double startTime, double endTime, double dt, bool enforceConstantTimeStep=false, std::vector<double> additionalTimes=std::vector<double> ());

    void AdvanceOneTimeStep();

    double GetTime() const;

    double GetNextTime() const;

    double GetNextTimeStep();

    double GetIdealTimeStep();

    bool IsTimeAtEnd() const;

    unsigned EstimateTimeSteps() const;

    unsigned GetTotalTimeStepsTaken() const;

    void ResetTimeStep(double dt);

private:

    double mStart;

    double mEnd;

    double mDt;

    unsigned mTotalTimeStepsTaken;

    unsigned mAdditionalTimesReached;

    double mTime;

    double mNextTime;

    double mEpsilon;

    double CalculateNextTime();

    std::vector<double> mAdditionalTimes;

    friend class boost::serialization::access;

    template<class Archive>
    void serialize(Archive & archive, const unsigned int version)
    {
        archive & mStart;
        archive & mEnd;
        archive & mDt;
        archive & mTotalTimeStepsTaken;
        archive & mTime;
        archive & mNextTime;
        archive & mEpsilon;
        archive & mAdditionalTimesReached;
        archive & mAdditionalTimes;
    }

};

#include "SerializationExportWrapper.hpp"
// Declare identifier for the serializer
CHASTE_CLASS_EXPORT(TimeStepper)

#endif /*TIMESTEPPER_HPP_*/