halfCosineRamp.H

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Class
    Foam::Function1s::halfCosineRamp

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

See also
    Foam::Function1s::Ramp

SourceFiles
    halfCosineRamp.C

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

#ifndef halfCosineRamp_H
#define halfCosineRamp_H

#include "Ramp.H"

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

namespace Foam
{
namespace Function1s
{

/*---------------------------------------------------------------------------*\
                       Class halfCosineRamp Declaration
\*---------------------------------------------------------------------------*/

class halfCosineRamp
:
    public Ramp<halfCosineRamp>
{

public:

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


    // Constructors

        //- Construct from name and dictionary
        halfCosineRamp
        (
            const word& name,
            const dictionary& dict
        );


    //- Destructor
    virtual ~halfCosineRamp();


    // Member Functions

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

        //- Return the integral between times t1 and t2
        virtual inline scalar integral
        (
            const scalar t1,
            const scalar t2
        ) const;


    // Member Operators

        //- Disallow default bitwise assignment
        void operator=(const halfCosineRamp&) = delete;
};


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

} // End namespace Function1s
} // End namespace Foam

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

#include "halfCosineRampI.H"

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

#endif

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