quarterCosineRamp.H

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License
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Class
    Foam::Function1s::quarterCosineRamp

Description
    Quarter-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
    quarterCosineRamp.C

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

#ifndef quarterCosineRamp_H
#define quarterCosineRamp_H

#include "Ramp.H"

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

namespace Foam
{
namespace Function1s
{

/*---------------------------------------------------------------------------*\
                      Class quarterCosineRamp Declaration
\*---------------------------------------------------------------------------*/

class quarterCosineRamp
:
    public Ramp<quarterCosineRamp>
{

public:

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


    // Constructors

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


    //- Destructor
    virtual ~quarterCosineRamp();


    // 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 quarterCosineRamp&) = delete;
};


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

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

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

#include "quarterCosineRampI.H"

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

#endif

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