triIntersectLocation.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/>.
 
Description
    Class to encapsulate the topology of a point within a triangle intersection
 
SourceFiles
    triIntersectLocationI.H
    triIntersectLocationIO.C
 
\*---------------------------------------------------------------------------*/
 
#ifndef triIntersectLocation_H
#define triIntersectLocation_H
 
#include "labelPair.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
 
// Forward declaration of classes
class Ostream;
 
namespace triIntersect
{
 
// Forward declaration of friend functions and operators
class location;
bool operator==(const location& a, const location& b);
bool operator!=(const location& a, const location& b);
Ostream& operator<<(Ostream&, const location&);
 
/*---------------------------------------------------------------------------*\
                          Class location Declaration
\*---------------------------------------------------------------------------*/
 
class location
:
    private labelPair
{
    private:
 
        // Private Static Member Functions
 
            //- Return the null index
            inline static label noi();
 
 
        // Private Constructors
 
            //- Construct from a source index and a target index
            inline location(const label srci, const label tgti);
 
 
    public:
 
        // Static Member Functions
 
            //- Construct a source point location
            inline static location srcPoint(const label srcPi);
 
            //- Construct a target point location
            inline static location tgtPoint(const label tgtPi);
 
            //- Construct a source and target point location
            inline static location srcTgtPoint
            (
                const label srcPi,
                const label tgtPi
            );
 
            //- Construct an intersection location between a source and a
            //  target edge
            inline static location intersection
            (
                const label srcEi,
                const label tgtEi
            );
 
 
        // Constructors
 
            //- Construct null
            inline location();
 
 
        // Member Functions
 
            //- Return whether the location is null
            inline bool isNull() const;
 
            //- Return whether the location is a source point
            inline bool isSrcPoint() const;
 
            //- Return whether the location is a target point
            inline bool isTgtPoint() const;
 
            //- Return whether the location is a source point and not a target
            //  point
            inline bool isSrcNotTgtPoint() const;
 
            //- Return whether the location is a target point and not a source
            //  point
            inline bool isTgtNotSrcPoint() const;
 
            //- Return whether the location is a source point and a target point
            inline bool isSrcAndTgtPoint() const;
 
            //- Return whether the location is an intersection
            inline bool isIntersection() const;
 
            //- Return the source point index
            inline label srcPointi() const;
 
            //- Return the target point index
            inline label tgtPointi() const;
 
            //- Return the source edge index
            inline label srcEdgei() const;
 
            //- Return the target edge index
            inline label tgtEdgei() const;
 
 
        // Friend Operators
 
            //- Test if locations are the same
            inline friend bool operator==(const location& a, const location& b);
 
            //- Test if locations are not the same
            inline friend bool operator!=(const location& a, const location& b);
 
 
        // IOstream Operators
 
            //- Output the location to a stream
            friend Ostream& operator<<(Ostream& os, const location& l);
};
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace triIntersect
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
template<>
inline bool contiguous<triIntersect::location>()
{
    return true;
}
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace Foam
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#include "triIntersectLocationI.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#endif
 
// ************************************************************************* //