TimeState.H

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License
    This file is part of OpenFOAM.

    OpenFOAM is free software: you can redistribute it and/or modify it
    under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
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Class
    Foam::TimeState

Description
    The time value with time-stepping information, user-defined remapping, etc.

SourceFiles
    TimeState.C

\*---------------------------------------------------------------------------*/

#ifndef TimeState_H
#define TimeState_H

#include "dimensionedScalar.H"

// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

namespace Foam
{

/*---------------------------------------------------------------------------*\
                           Class TimeState Declaration
\*---------------------------------------------------------------------------*/

class TimeState
:
    public dimensionedScalar
{

protected:

        label timeIndex_;
        scalar deltaT_;
        scalar deltaTSave_;
        scalar deltaT0_;
        bool deltaTchanged_;
        label writeTimeIndex_;
        bool writeTime_;


public:

    // Constructors

        TimeState();


    //- Destructor
    virtual ~TimeState();


    // Member Functions

        // Access

            //- Convert the user-time (e.g. CA deg) to real-time (s).
            virtual scalar userTimeToTime(const scalar theta) const;

            //- Convert the real-time (s) into user-time (e.g. CA deg)
            virtual scalar timeToUserTime(const scalar t) const;

            //- Ratio between real-time and user-time
            virtual scalar timeToUserTimeRatio() const;

            //- Return current time value
            inline scalar timeOutputValue() const;

            //- Return current time index
            inline label timeIndex() const;

            //- Return time step value
            inline scalar deltaTValue() const;

            //- Return old time step value
            inline scalar deltaT0Value() const;

            //- Return time step
            inline dimensionedScalar deltaT() const;

            //- Return old time step
            inline dimensionedScalar deltaT0() const;


        // Check

            //- Return true if this is a write time
            inline bool writeTime() const;

            //- Return true if this is a write time.
            //  Provided for backward-compatibility
            inline bool outputTime() const;
};


// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

} // End namespace Foam

// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

#include "TimeStateI.H"

// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

#endif

// ************************************************************************* //