halfCosineRamp.H

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License
    This file is part of OpenFOAM.
 
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    the Free Software Foundation, either version 3 of the License, or
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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
 
// ************************************************************************* //