SquareMatrixI.H

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License
    This file is part of OpenFOAM.
 
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    for more details.
 
    You should have received a copy of the GNU General Public License
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// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
template<class Type>
inline Foam::SquareMatrix<Type>::SquareMatrix()
:
    Matrix<SquareMatrix<Type>, Type>()
{}
 
 
template<class Type>
inline Foam::SquareMatrix<Type>::SquareMatrix(const label n)
:
    Matrix<SquareMatrix<Type>, Type>(n, n)
{}
 
 
template<class Type>
template<class MatrixType>
inline Foam::SquareMatrix<Type>::SquareMatrix
(
    const ConstMatrixBlock<MatrixType>& block
)
:
    Matrix<SquareMatrix<Type>, Type>(block)
{}
 
 
template<class Type>
template<class MatrixType>
inline Foam::SquareMatrix<Type>::SquareMatrix
(
    const MatrixBlock<MatrixType>& block
)
:
    Matrix<SquareMatrix<Type>, Type>(block)
{}
 
 
template<class Type>
inline Foam::SquareMatrix<Type>::SquareMatrix(const label n, const zero)
:
    Matrix<SquareMatrix<Type>, Type>(n, n, Zero)
{}
 
 
template<class Type>
inline Foam::SquareMatrix<Type>::SquareMatrix
(
    const label m,
    const label n,
    const zero
)
:
    Matrix<SquareMatrix<Type>, Type>(m, n, Zero)
{
    if (m != n)
    {
        FatalErrorInFunction
            << "Attempt to construct a square matrix "
            << m << " x " << n << nl
            << abort(FatalError);
    }
}
 
 
template<class Type>
inline Foam::SquareMatrix<Type>::SquareMatrix
(
    const label n,
    const Identity<Type>
)
:
    Matrix<SquareMatrix<Type>, Type>(n, n, Zero)
{
    for (label i=0; i<n; i++)
    {
        this->operator()(i, i) = Type(I);
    }
}
 
 
template<class Type>
inline Foam::SquareMatrix<Type>::SquareMatrix
(
    const label n,
    const Type& t
)
:
    Matrix<SquareMatrix<Type>, Type>(n, n, t)
{}
 
 
template<class Type>
template<class InputIterator>
inline Foam::SquareMatrix<Type>::SquareMatrix
(
    const label n,
    InputIterator first,
    InputIterator last
)
:
    Matrix<SquareMatrix<Type>, Type>(n, n, first, last)
{}
 
 
template<class Type>
inline Foam::SquareMatrix<Type>::SquareMatrix
(
    const label n,
    std::initializer_list<Type> lst
)
:
    Matrix<SquareMatrix<Type>, Type>(n, n, lst)
{}
 
 
template<class Type>
inline Foam::SquareMatrix<Type>::SquareMatrix(std::initializer_list<Type> lst)
:
    SquareMatrix<Type>(sqrt(scalar(lst.size())), lst)
{}
 
 
template<class Type>
inline Foam::SquareMatrix<Type>::SquareMatrix
(
    std::initializer_list<std::initializer_list<Type>> lstLst
)
:
    Matrix<SquareMatrix<Type>, Type>(lstLst)
{
    if (this->m() != this->n())
    {
        FatalErrorInFunction
            << "Attempt to construct a square matrix from a rectangular matrix "
            << this->m() << " x " << this->n() << nl
            << abort(FatalError);
    }
}
 
 
template<class Type>
inline Foam::SquareMatrix<Type>::SquareMatrix
(
    const RectangularMatrix<Type>& RM
)
:
    Matrix<SquareMatrix<Type>, Type>(RM)
{
    if (this->m() != this->n())
    {
        FatalErrorInFunction
            << "Attempt to construct a square matrix from a rectangular matrix "
            << this->m() << " x " << this->n() << nl
            << abort(FatalError);
    }
}
 
 
template<class Type>
inline Foam::SquareMatrix<Type>::SquareMatrix(Istream& is)
:
    Matrix<SquareMatrix<Type>, Type>(is)
{}
 
 
template<class Type>
inline Foam::autoPtr<Foam::SquareMatrix<Type>>
Foam::SquareMatrix<Type>::clone() const
{
    return autoPtr<SquareMatrix<Type>>(new SquareMatrix<Type>(*this));
}
 
 
// * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 
template<class Type>
inline void Foam::SquareMatrix<Type>::setSize(const label m)
{
    Matrix<SquareMatrix<Type>, Type>::setSize(m, m);
}
 
 
template<class Type>
inline void Foam::SquareMatrix<Type>::shallowResize(const label m)
{
    Matrix<SquareMatrix<Type>, Type>::shallowResize(m, m);
}
 
 
// * * * * * * * * * * * * * * * Member Operators  * * * * * * * * * * * * * //
 
template<class Type>
void Foam::SquareMatrix<Type>::operator=(const zero)
{
    Matrix<SquareMatrix<Type>, Type>::operator=(Zero);
}
 
 
template<class Type>
void Foam::SquareMatrix<Type>::operator=(const Identity<Type>)
{
    Matrix<SquareMatrix<Type>, Type>::operator=(Zero);
    for (label i=0; i<this->n(); i++)
    {
        this->operator()(i, i) = Type(I);
    }
}
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
 
// * * * * * * * * * * * * * * * Friend Functions  * * * * * * * * * * * * * //
 
template<class Type>
inline Foam::SquareMatrix<Type> symmOuter
(
    const Field<Type>& f1,
    const Field<Type>& f2
)
{
    SquareMatrix<Type> f1f2T(f1.size());
 
    for (label i=0; i<f1f2T.m(); i++)
    {
        for (label j=0; j<f1f2T.n(); j++)
        {
            f1f2T(i, j) = f1[i]*f2[j];
        }
    }
 
    return f1f2T;
}
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace Foam
 
// ************************************************************************* //