SquareMatrix.H

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/*---------------------------------------------------------------------------*\
  =========                 |
  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
   \\    /   O peration     |
    \\  /    A nd           | Copyright (C) 2011-2013 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::SquareMatrix
 
Description
    A templated 2D square matrix of objects of <T>, where the n x n matrix
    dimension is known and used for subscript bounds checking, etc.
 
SourceFiles
    SquareMatrixI.H
    SquareMatrix.C
 
\*---------------------------------------------------------------------------*/
 
#ifndef SquareMatrix_H
#define SquareMatrix_H
 
#include "Matrix.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
 
/*---------------------------------------------------------------------------*\
                           Class Matrix Declaration
\*---------------------------------------------------------------------------*/
 
template<class Type>
class SquareMatrix
:
    public Matrix<SquareMatrix<Type>, Type>
{
 
public:
 
    // Constructors
 
        //- Null constructor.
        inline SquareMatrix();
 
        //- Construct given number of rows/columns.
        inline SquareMatrix(const label n);
 
        //- Construct given number of rows and columns,
        //  It checks that m == n.
        inline SquareMatrix(const label m, const label n);
 
        //- Construct with given number of rows and rows
        //  and value for all elements.
        //  It checks that m == n.
        inline SquareMatrix(const label m, const label n, const Type&);
 
        //- Construct from Istream.
        inline SquareMatrix(Istream&);
 
        //- Clone
        inline autoPtr<SquareMatrix<Type> > clone() const;
};
 
 
// Global functions
 
//- Return the LU decomposed SquareMatrix det
template<class Type>
scalar detDecomposed(const SquareMatrix<Type>&, const label sign);
 
//- Return the SquareMatrix det
template<class Type>
scalar det(const SquareMatrix<Type>&);
 
//- Return the SquareMatrix det and the LU decomposition in the original matrix
template<class Type>
scalar det(SquareMatrix<Type>&);
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace Foam
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#   include "SquareMatrixI.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#ifdef NoRepository
#   include "SquareMatrix.C"
#endif
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#endif
 
// ************************************************************************* //