cellPatchConstrained.H

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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
    the Free Software Foundation, either version 3 of the License, or
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Class
    Foam::interpolations::cellPatchConstrained
 
Description
    Basic piecewise-constant interpolation method. Interpolates to a point by
    using the value in the cell containing the point, unless the point is on a
    boundary face in which case the boundary value will be used.
 
SourceFiles
    cellPatchConstrained.C
 
\*---------------------------------------------------------------------------*/
 
#ifndef cellPatchConstrained_H
#define cellPatchConstrained_H
 
#include "interpolation.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
namespace interpolations
{
 
/*---------------------------------------------------------------------------*\
                  Class cellPatchConstrained Declaration
\*---------------------------------------------------------------------------*/
 
template<class Type>
class cellPatchConstrained
:
    public fieldInterpolation<Type, cellPatchConstrained<Type>>
{
public:
 
    //- Runtime type information
    TypeName("cellPatchConstrained");
 
 
    // Constructors
 
        //- Construct from components
        cellPatchConstrained(const VolField<Type>& psi);
 
        //- Copy construct
        cellPatchConstrained(const cellPatchConstrained<Type>& i);
 
        //- Clone
        virtual autoPtr<interpolation<Type>> clone() const
        {
            return autoPtr<interpolation<Type>>
            (
                new cellPatchConstrained<Type>(*this)
            );
        }
 
 
    // Member Functions
 
        //- Inherit interpolate from interpolation
        using interpolation<Type>::interpolate;
 
        //- Interpolate field to the given point in the given cell
        Type interpolate
        (
            const vector& position,
            const label celli,
            const label facei = -1
        ) const;
 
        //- Interpolate field to the given coordinates in the tetrahedron
        //  defined by the given indices. This is an optimisation which skips
        //  calculating the position, as cell interpolation doesn't need it.
        inline Type interpolate
        (
            const barycentric& coordinates,
            const tetIndices& tetIs,
            const label facei = -1
        ) const
        {
            return interpolate(vector::zero, tetIs.cell(), facei);
        }
};
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace interpolations
} // End namespace Foam
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#ifdef NoRepository
    #include "cellPatchConstrained.C"
#endif
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#endif
 
// ************************************************************************* //