linearRamp.H

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/*---------------------------------------------------------------------------*\
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    \\  /    A nd           | Copyright (C) 2017 OpenFOAM Foundation
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License
    This file is part of OpenFOAM.

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    under the terms of the GNU General Public License as published by
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Class
    Foam::Function1Types::linearRamp

Description
    Linear ramp function starting from 0 and increasing linearRamply to 1 from
    \c start over the \c duration and remaining at 1 thereafter.

See also
    Foam::Function1Types::ramp

SourceFiles
    linearRamp.C

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

#ifndef linearRamp_H
#define linearRamp_H

#include "ramp.H"

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

namespace Foam
{
namespace Function1Types
{

/*---------------------------------------------------------------------------*\
                           Class linearRamp Declaration
\*---------------------------------------------------------------------------*/

class linearRamp
:
    public ramp
{
    // Private Member Functions

        //- Disallow default bitwise assignment
        void operator=(const linearRamp&);


public:

    // Runtime type information
    TypeName("linearRamp");


    // Constructors

        //- Construct from entry name and dictionary
        linearRamp
        (
            const word& entryName,
            const dictionary& dict
        );

        //- Construct and return a clone
        virtual tmp<Function1<scalar>> clone() const
        {
            return tmp<Function1<scalar>>(new linearRamp(*this));
        }


    //- Destructor
    virtual ~linearRamp();


    // Member Functions

        //- Return value for time t
        scalar value(const scalar t) const;
};


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

} // End namespace Function1Types
} // End namespace Foam

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

#endif

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