smoothData.H

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License
    This file is part of OpenFOAM.
 
    OpenFOAM is free software: you can redistribute it and/or modify it
    under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.
 
    OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    for more details.
 
    You should have received a copy of the GNU General Public License
    along with OpenFOAM.  If not, see <http://www.gnu.org/licenses/>.
 
Class
    Foam::smoothData
 
Description
    Helper class used by the fvc::smooth and fvc::spread functions.
 
SourceFiles
    smoothData.H
    smoothDataI.H
 
\*---------------------------------------------------------------------------*/
 
#ifndef smoothData_H
#define smoothData_H
 
#include "scalar.H"
#include "labelPair.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
 
// Forward declaration of classes
class fvPatch;
class fvMesh;
class transformer;
 
/*---------------------------------------------------------------------------*\
                         Class smoothData Declaration
\*---------------------------------------------------------------------------*/
 
class smoothData
{
 
public:
 
    //- Class used to pass additional data in
    class trackData
    {
    public:
 
        //- Cut off distance
        scalar maxRatio;
    };
 
 
private:
 
    scalar value_;
 
    // Private Member Functions
 
        //- Update - gets information from neighbouring face/cell and
        //  uses this to update itself (if necessary) and return true
        template<class TrackingData>
        inline bool update
        (
            const smoothData& svf,
            const scalar scale,
            const scalar tol,
            TrackingData& td
        );
 
 
public:
 
 
    // Constructors
 
        //- Construct null
        inline smoothData();
 
        //- Construct from inverse field value
        inline smoothData(const scalar value);
 
 
    // Member Functions
 
        // Access
 
            //- Return value
            scalar value() const
            {
                return value_;
            }
 
 
        // Needed by FvFaceCellWave
 
            //- Check whether origin has been changed at all or
            //  still contains original (invalid) value
            template<class TrackingData>
            inline bool valid(TrackingData& td) const;
 
            //- Check for identical geometrical data
            //  Used for cyclics checking
            template<class TrackingData>
            inline bool sameGeometry
            (
                const fvMesh&,
                const smoothData&,
                const scalar,
                TrackingData& td
            ) const;
 
            //- Transform across an interface
            template<class TrackingData>
            inline void transform
            (
                const fvPatch& patch,
                const label patchFacei,
                const transformer& transform,
                TrackingData& td
            );
 
            //- Influence of neighbouring face
            template<class TrackingData>
            inline bool updateCell
            (
                const fvMesh&,
                const label thisCelli,
                const labelPair& neighbourPatchAndFacei,
                const smoothData& svf,
                const scalar tol,
                TrackingData& td
            );
 
            //- Influence of neighbouring cell
            template<class TrackingData>
            inline bool updateFace
            (
                const fvMesh&,
                const labelPair& thisPatchAndFacei,
                const label neighbourCelli,
                const smoothData& svf,
                const scalar tol,
                TrackingData& td
            );
 
            //- Influence of different value on same face
            template<class TrackingData>
            inline bool updateFace
            (
                const fvMesh&,
                const labelPair& thisPatchAndFacei,
                const smoothData& svf,
                const scalar tol,
                TrackingData& td
            );
 
            //- Same (like operator==)
            template<class TrackingData>
            inline bool equal(const smoothData&, TrackingData& td) const;
 
 
        // Member Operators
 
            inline void operator=(const scalar value);
 
            inline bool operator==(const smoothData&) const;
 
            inline bool operator!=(const smoothData&) const;
 
 
        // IOstream Operators
 
            friend Ostream& operator<<(Ostream& os, const smoothData& svf)
            {
                return os  << svf.value_;
            }
 
            friend Istream& operator>>(Istream& is, smoothData& svf)
            {
                return is  >> svf.value_;
            }
};
 
 
//- Data associated with smoothData type are contiguous
template<>
inline bool contiguous<smoothData>()
{
    return true;
}
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace Foam
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#include "smoothDataI.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#endif
 
// ************************************************************************* //