PCICG.H

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    Copyright (C) 2011-2016 OpenFOAM Foundation
    Copyright (C) 2019 OpenCFD Ltd.
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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
    along with OpenFOAM.  If not, see <http://www.gnu.org/licenses/>.
 
Class
    Foam::PCICG
 
Description
    Preconditioned conjugate gradient solver for symmetric lduMatrices
    using a run-time selectable preconditioner.
 
SourceFiles
    PCICG.C
 
\*---------------------------------------------------------------------------*/
 
#ifndef PCICG_H
#define PCICG_H
 
#include "LduMatrix.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
 
/*---------------------------------------------------------------------------*\
                           Class PCICG Declaration
\*---------------------------------------------------------------------------*/
 
template<class Type, class DType, class LUType>
class PCICG
:
    public LduMatrix<Type, DType, LUType>::solver
{
    // Private Member Functions
 
        //- No copy construct
        PCICG(const PCICG&) = delete;
 
        //- No copy assignment
        void operator=(const PCICG&) = delete;
 
 
public:
 
    //- Runtime type information
    TypeName("PCICG");
 
 
    // Constructors
 
        //- Construct from matrix components and solver data dictionary
        PCICG
        (
            const word& fieldName,
            const LduMatrix<Type, DType, LUType>& matrix,
            const dictionary& solverDict
        );
 
 
    // Destructor
 
        virtual ~PCICG() = default;
 
 
    // Member Functions
 
        //- Solve the matrix with this solver
        virtual SolverPerformance<Type> solve(Field<Type>& psi) const;
};
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace Foam
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#ifdef NoRepository
    #include "PCICG.C"
#endif
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#endif
 
// ************************************************************************* //