noDecomp.H

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/*---------------------------------------------------------------------------*\
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  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
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    \\  /    A nd           | Copyright (C) 2012-2015 OpenFOAM Foundation
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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
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    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
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Class
    Foam::noDecomp
 
Description
    Dummy decomposition method
 
SourceFiles
    noDecomp.C
 
\*---------------------------------------------------------------------------*/
 
#ifndef noDecomp_H
#define noDecomp_H
 
#include "decompositionMethod.H"
 
namespace Foam
{
 
/*---------------------------------------------------------------------------*\
                           Class noDecomp Declaration
\*---------------------------------------------------------------------------*/
 
class noDecomp
:
    public decompositionMethod
{
 
    // Private Member Functions
 
        //- Disallow default bitwise copy construct and assignment
        void operator=(const noDecomp&);
        noDecomp(const noDecomp&);
 
 
public:
 
    //- Runtime type information
    TypeName("noDecomp");
 
 
    // Constructors
 
        //- Construct given the decomposition dictionary
        noDecomp(const dictionary& decompositionDict);
 
    //- Destructor
    virtual ~noDecomp()
    {}
 
 
    // Member Functions
 
        //- Manual decompose does not care about proc boundaries - is all
        //  up to the user.
        virtual bool parallelAware() const
        {
            return true;
        }
 
        //- Return for every coordinate the wanted processor number. Use the
        //  mesh connectivity (if needed)
        virtual labelList decompose
        (
            const polyMesh& mesh,
            const pointField& cc,
            const scalarField& cWeights
        )
        {
            return labelList(cc.size(), Pstream::myProcNo());
        }
 
        //- Return for every coordinate the wanted processor number. Explicitly
        //  provided connectivity - does not use mesh_.
        //  The connectivity is equal to mesh.cellCells() except for
        //  - in parallel the cell numbers are global cell numbers (starting
        //    from 0 at processor0 and then incrementing all through the
        //    processors)
        //  - the connections are across coupled patches
        virtual labelList decompose
        (
            const labelListList& globalCellCells,
            const pointField& cc,
            const scalarField& cWeights
        )
        {
            return labelList(globalCellCells.size(), Pstream::myProcNo());
        }
 
};
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace Foam
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#endif
 
// ************************************************************************* //