processorGAMGInterface.H

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/*---------------------------------------------------------------------------*\
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  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
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-------------------------------------------------------------------------------
    Copyright (C) 2011-2014 OpenFOAM Foundation
    Copyright (C) 2019 OpenCFD Ltd.
-------------------------------------------------------------------------------
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::processorGAMGInterface
 
Description
    GAMG agglomerated processor interface.
 
SourceFiles
    processorGAMGInterface.C
 
\*---------------------------------------------------------------------------*/
 
#ifndef processorGAMGInterface_H
#define processorGAMGInterface_H
 
#include "GAMGInterface.H"
#include "processorLduInterface.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
 
/*---------------------------------------------------------------------------*\
                  Class processorGAMGInterface Declaration
\*---------------------------------------------------------------------------*/
 
class processorGAMGInterface
:
    public GAMGInterface,
    public processorLduInterface
{
    // Private data
 
        //- Communicator to use for parallel communication
        const label comm_;
 
        //- My processor rank in communicator
        label myProcNo_;
 
        //- Neighbouring processor rank in communicator
        label neighbProcNo_;
 
        //- Transformation tensor
        tensorField forwardT_;
 
        //- Message tag used for sending
        int tag_;
 
 
    // Private Member Functions
 
        //- No copy construct
        processorGAMGInterface(const processorGAMGInterface&) = delete;
 
        //- No copy assignment
        void operator=(const processorGAMGInterface&) = delete;
 
 
public:
 
    //- Runtime type information
    TypeName("processor");
 
    // Constructors
 
        //- Construct from fine-level interface,
        //- local and neighbour restrict addressing
        processorGAMGInterface
        (
            const label index,
            const lduInterfacePtrsList& coarseInterfaces,
            const lduInterface& fineInterface,
            const labelField& restrictAddressing,
            const labelField& neighbourRestrictAddressing,
            const label fineLevelIndex,
            const label coarseComm
        );
 
        //- Construct from components
        processorGAMGInterface
        (
            const label index,
            const lduInterfacePtrsList& coarseInterfaces,
            const labelUList& faceCells,
            const labelUList& faceRestrictAddresssing,
            const label coarseComm,
            const label myProcNo,
            const label neighbProcNo,
            const tensorField& forwardT,
            const int tag
        );
 
        //- Construct from Istream
        processorGAMGInterface
        (
            const label index,
            const lduInterfacePtrsList& coarseInterfaces,
            Istream& is
        );
 
 
    //- Destructor
    virtual ~processorGAMGInterface() = default;
 
 
    // Member Functions
 
        // Interface transfer functions
 
            //- Initialise neighbour field transfer
            virtual void initInternalFieldTransfer
            (
                const Pstream::commsTypes commsType,
                const labelUList& iF
            ) const;
 
 
            //- Initialise neighbour field transfer using faceCells mapping
            virtual void initInternalFieldTransfer
            (
                const Pstream::commsTypes commsType,
                const labelUList& iF,
                const labelUList& faceCells
            ) const;
 
            //- Transfer and return internal field adjacent to the interface
            virtual tmp<labelField> internalFieldTransfer
            (
                const Pstream::commsTypes commsType,
                const labelUList& iF
            ) const;
 
 
        //- Processor interface functions
 
            //- Return communicator used for sending
            virtual label comm() const
            {
                return comm_;
            }
 
            //- Return processor number (rank in communicator)
            virtual int myProcNo() const
            {
                return myProcNo_;
            }
 
            //- Return neighbour processor number (rank in communicator)
            virtual int neighbProcNo() const
            {
                return neighbProcNo_;
            }
 
            //- Return face transformation tensor
            virtual const tensorField& forwardT() const
            {
                return forwardT_;
            }
 
            //- Return message tag used for sending
            virtual int tag() const
            {
                return tag_;
            }
 
 
        // I/O
 
            //- Write to stream
            virtual void write(Ostream& os) const;
};
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace Foam
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#endif
 
// ************************************************************************* //