Helpers.h

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//Copyright (c) 2013-2014, The MercuryDPM Developers Team. All rights reserved.
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#ifndef HELPERS_H
#define HELPERS_H

#include "ExtendedMath.h"
#include <iostream> //std::istream and std::stringstream
#include <fstream> //std::fstream

namespace helpers
{

    class KAndDisp
    {
    public:
        Mdouble k;
        Mdouble disp;
    };

    MERCURY_DEPRECATED
    KAndDisp computeKAndDispFromCollisionTimeAndRestitutionCoefficientAndEffectiveMass(Mdouble tc, Mdouble r, Mdouble mass);

    MERCURY_DEPRECATED
    Mdouble computeCollisionTimeFromKAndDispAndEffectiveMass(Mdouble k, Mdouble disp, Mdouble mass);

    MERCURY_DEPRECATED
    Mdouble computeRestitutionCoefficientFromKAndDispAndEffectiveMass(Mdouble k, Mdouble disp, Mdouble mass);

    MERCURY_DEPRECATED
    Mdouble computeDispFromKAndRestitutionCoefficientAndEffectiveMass(Mdouble k, Mdouble r, Mdouble mass);

    MERCURY_DEPRECATED
    Mdouble computeCollisionTimeFromKAndRestitutionCoefficientAndEffectiveMass(Mdouble k, Mdouble r, Mdouble mass);

    MERCURY_DEPRECATED
    Mdouble computeDispFromKAndCollisionTimeAndEffectiveMass(Mdouble k, Mdouble tc, Mdouble mass);

    MERCURY_DEPRECATED
    Mdouble computeRestitutionCoefficientFromKAndCollisionTimeAndEffectiveMass(Mdouble k, Mdouble tc, Mdouble mass);

    MERCURY_DEPRECATED
    Mdouble computeDispFromCollisionTimeAndRestitutionCoefficientAndEffectiveMass(Mdouble tc, Mdouble r, Mdouble mass);

    MERCURY_DEPRECATED
    Mdouble computeKFromCollisionTimeAndRestitutionCoefficientAndEffectiveMass(Mdouble tc, Mdouble r, Mdouble mass);

    MERCURY_DEPRECATED
    Mdouble computeKFromCollisionTimeAndDispAndEffectiveMass(Mdouble tc, Mdouble disp, Mdouble mass);

    MERCURY_DEPRECATED
    Mdouble computeRestitutionCoefficientFromCollisionTimeAndDispAndEffectiveMass(Mdouble tc, Mdouble disp, Mdouble mass);

    MERCURY_DEPRECATED
    Mdouble computeKFromDispAndRestitutionCoefficientAndEffectiveMass(Mdouble disp, Mdouble r, Mdouble mass);

    MERCURY_DEPRECATED
    Mdouble computeCollisionTimeFromDispAndRestitutionCoefficientAndEffectiveMass(Mdouble disp, Mdouble r, Mdouble mass);


    class KAndDispAndKtAndDispt
    {
    public:
        Mdouble k;
        Mdouble disp;
        Mdouble kt;
        Mdouble dispt;
    };

    MERCURY_DEPRECATED
    KAndDispAndKtAndDispt computeDisptFromCollisionTimeAndRestitutionCoefficientAndTangentialRestitutionCoefficientAndEffectiveMass(Mdouble tc, Mdouble r, Mdouble beta, Mdouble mass);

    MERCURY_DEPRECATED
    Mdouble getMaximumVelocity(Mdouble k, Mdouble disp, Mdouble radius, Mdouble mass);

    unsigned int getSaveCountFromNumberOfSavesAndTimeMaxAndTimestep(unsigned int numberOfSaves, Mdouble timeMax, Mdouble timestep);

    void getLineFromStringStream(std::istream& in, std::stringstream& out);

    bool writeToFile(std::string filename, std::string filecontent);

    bool fileExists(std::string strFilename);

    bool openFile(std::fstream& file, std::string filename, std::fstream::openmode mode);

    Mdouble getEffectiveMass(Mdouble mass0, Mdouble mass1);

}

#endif