RegularStimulus.cpp

/*

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*/


#include "RegularStimulus.hpp"
#include <cmath>
#include <cassert>

#include <iostream>

RegularStimulus::RegularStimulus(double magnitudeOfStimulus, double duration, double period, double startTime, double stopTime)
{
    assert(period > 0);
    assert(period >= duration);

    mMagnitudeOfStimulus = magnitudeOfStimulus;
    mDuration = duration;
    mPeriod = period;
    mStartTime = startTime;
    mStopTime = stopTime;

    //Swell duration to avoid rounding issues
    mDuration += period*DBL_EPSILON;
}

double RegularStimulus::GetStimulus(double time)
{
    /*
     * This covers a borderline case where start time is larger than period
     * and period divides start time, e.g. start_time=2 period=1.
     *
     * fmod() will return -0 in this case and will therefore switch the stimulus on.
     */
    if (time < mStartTime)
    {
        return 0.0;
    }

    double beatTime = fmod(time-mStartTime, mPeriod);

    if (beatTime >=0 && beatTime <= mDuration && time <= mStopTime)
    {
        return mMagnitudeOfStimulus;
    }
    else
    {
        return 0.0;
    }
}

double RegularStimulus::GetPeriod()
{
    return mPeriod;
}

double RegularStimulus::GetMagnitude()
{
    return mMagnitudeOfStimulus;
}

double RegularStimulus::GetDuration()
{
    return mDuration;
}

double RegularStimulus::GetStartTime()
{
    return mStartTime;
}

void RegularStimulus::SetMagnitude(double magnitude)
{
    mMagnitudeOfStimulus = magnitude;
}

void RegularStimulus::SetPeriod(double period)
{
    mPeriod = period;
}

void RegularStimulus::SetDuration(double duration)
{
    mDuration = duration;
}

void RegularStimulus::SetStartTime(double startTime)
{
    mStartTime = startTime;
}

void RegularStimulus::SetStopTime(double stopTime)
{
    mStopTime = stopTime;
}

// Serialization for Boost >= 1.36
#include "SerializationExportWrapperForCpp.hpp"
CHASTE_CLASS_EXPORT(RegularStimulus)