CuthillMcKeeRenumber.H

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/*---------------------------------------------------------------------------*\
  =========                 |
  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
   \\    /   O peration     |
    \\  /    A nd           | Copyright (C) 2011-2015 OpenFOAM Foundation
     \\/     M anipulation  |
-------------------------------------------------------------------------------
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::CuthillMcKeeRenumber
 
Description
    Cuthill-McKee renumbering
 
SourceFiles
    CuthillMcKeeRenumber.C
 
\*---------------------------------------------------------------------------*/
 
#ifndef CuthillMcKeeRenumber_H
#define CuthillMcKeeRenumber_H
 
#include "renumberMethod.H"
#include "Switch.H"
 
namespace Foam
{
 
/*---------------------------------------------------------------------------*\
                   Class CuthillMcKeeRenumber Declaration
\*---------------------------------------------------------------------------*/
 
class CuthillMcKeeRenumber
:
    public renumberMethod
{
    // Private data
 
        const Switch reverse_;
 
 
    // Private Member Functions
 
        //- Disallow default bitwise copy construct and assignment
        void operator=(const CuthillMcKeeRenumber&);
        CuthillMcKeeRenumber(const CuthillMcKeeRenumber&);
 
 
public:
 
    //- Runtime type information
    TypeName("CuthillMcKee");
 
 
    // Constructors
 
        //- Construct given the renumber dictionary
        CuthillMcKeeRenumber(const dictionary& renumberDict);
 
 
    //- Destructor
    virtual ~CuthillMcKeeRenumber()
    {}
 
 
    // Member Functions
 
        //- Return the order in which cells need to be visited, i.e.
        //  from ordered back to original cell label.
        //  This is only defined for geometric renumberMethods.
        virtual labelList renumber(const pointField&) const
        {
            NotImplemented;
            return labelList(0);
        }
 
        //- Return the order in which cells need to be visited, i.e.
        //  from ordered back to original cell label.
        //  Use the mesh connectivity (if needed)
        virtual labelList renumber
        (
            const polyMesh& mesh,
            const pointField& cc
        ) const;
 
        //- Return the order in which cells need to be visited, i.e.
        //  from ordered back to original cell label.
        //  Connectivity in losort addressing (= neighbour + offsets into
        //  neighbour)
        virtual labelList renumber
        (
            const labelList& cellCells,
            const labelList& offsets,
            const pointField& cc
        ) const;
 
        //- Return the order in which cells need to be visited, i.e.
        //  from ordered back to original cell label.
        //  The connectivity is equal to mesh.cellCells() except
        //  - the connections are across coupled patches
        virtual labelList renumber
        (
            const labelListList& cellCells,
            const pointField& cc
        ) const;
};
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace Foam
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#endif
 
// ************************************************************************* //