generalFieldMapper.H

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/*---------------------------------------------------------------------------*\
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    \\  /    A nd           | Copyright (C) 2019-2022 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
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    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::generalFieldMapper

Description
    General field mapper supporting both direct and weighted mapping.

\*---------------------------------------------------------------------------*/

#ifndef generalFieldMapper_H
#define generalFieldMapper_H

#include "fieldMapper.H"

// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

namespace Foam
{

/*---------------------------------------------------------------------------*\
                     Class generalFieldMapper Declaration
\*---------------------------------------------------------------------------*/

class generalFieldMapper
:
    virtual public fieldMapper
{
    // Private Member Functions

        template<class Type>
        void map(Field<Type>& f, const Field<Type>& mapF) const;

        template<class Type>
        tmp<Field<Type>> map(const Field<Type>& f) const;


public:

    // Constructors

        //- Null constructor
        generalFieldMapper()
        {}


    //- Destructor
    virtual ~generalFieldMapper()
    {}


    // Member Functions

        virtual bool direct() const = 0;

        //- Are there unmapped values? I.e. do all size() elements get
        //  get value
        virtual bool hasUnmapped() const = 0;

        virtual const labelUList& directAddressing() const;

        virtual const labelListList& addressing() const;

        virtual const scalarListList& weights() const;


    // Member Operators

        //- Map a field
        FOR_ALL_FIELD_TYPES(DEFINE_FIELD_MAPPER_OPERATOR, );

        //- Map a label field
        DEFINE_FIELD_MAPPER_OPERATOR(label, );
};


// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

} // End namespace Foam

// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

#ifdef NoRepository
    #include "generalFieldMapperTemplates.C"
#endif

// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

#endif

// ************************************************************************* //