unintegrableForNonZeroQ.H

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Class
    Foam::distributions::unintegrableForNonZeroQ
 
Description
    Base class for distributions that have a closed integral form for the
    cumulative density function (CDF) when the effective size exponent is zero,
    but not otherwise.
 
SourceFiles
    unintegrableForNonZeroQ.C
 
See also
    Foam::distribution
 
\*---------------------------------------------------------------------------*/
 
#ifndef unintegrableForNonZeroQ_H
#define unintegrableForNonZeroQ_H
 
#include "unintegrable.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
namespace distributions
{
 
/*---------------------------------------------------------------------------*\
                        Class unintegrableForNonZeroQ Declaration
\*---------------------------------------------------------------------------*/
 
class unintegrableForNonZeroQ
:
    public unintegrable
{
protected:
 
    // Protected Member Functions
 
        //- Return values of the un-normalised CDF for the given size exponent
        //  and x-coordinates.
        virtual tmp<scalarField> Phi
        (
            const label q,
            const scalarField& x
        ) const;
 
        //- Return values of the un-normalised CDF for zero effective size
        //  exponent and given x-coordinates
        virtual tmp<scalarField> PhiForZeroQ(const scalarField& x) const = 0;
 
        //- Return values of the un-normalised CDF at the minimum and maximum
        //  x-coordinates for the given size exponent.
        virtual Pair<scalar> Phi01(const label q) const;
 
        //- Access cached values of the un-normalised CDF at the minimum and
        //  maximum x-coordinates.
        using unintegrable::Phi01;
 
 
public:
 
    // Constructors
 
        //- Inherit constructors
        using unintegrable::unintegrable;
 
 
    // Member Functions
 
        //- Sample the distribution
        virtual scalar sample() const;
 
        //- Sample the distribution
        virtual scalar sampleForZeroQ() const = 0;
 
        //- Return the integral of the PDF multiplied by an integer power of x
        virtual tmp<scalarField> integralPDFxPow
        (
            const scalarField& x,
            const label e,
            const bool consistent = false
        ) const;
};
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace distributions
} // End namespace Foam
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#endif
 
// ************************************************************************* //