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ENH: add identity matrix constructor to RectangularMatrix

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Kutalmis Bercin
2019-11-13 16:02:57 +00:00
parent 64614cfce8
commit 3a5ad7eed7
2 changed files with 22 additions and 0 deletions
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5
src/OpenFOAM/matrices/RectangularMatrix/RectangularMatrix.H
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@ -80,6 +80,11 @@ public:
//- initializing all elements to the given value //- initializing all elements to the given value
inline RectangularMatrix(const label m, const label n, const Type& val); inline RectangularMatrix(const label m, const label n, const Type& val);
//- Construct for given number of rows/columns
//- initializing all elements to zero, and diagonal to one
template<class AnyType>
inline RectangularMatrix(const labelPair& dims, const Identity<AnyType>);
//- Construct given number of rows/columns //- Construct given number of rows/columns
inline explicit RectangularMatrix(const labelPair& dims); inline explicit RectangularMatrix(const labelPair& dims);

17
src/OpenFOAM/matrices/RectangularMatrix/RectangularMatrixI.H
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@ -80,6 +80,23 @@ inline Foam::RectangularMatrix<Type>::RectangularMatrix
{} {}
template<class Type>
template<class AnyType>
inline Foam::RectangularMatrix<Type>::RectangularMatrix
(
const labelPair& dims,
const Identity<AnyType>
)
:
Matrix<RectangularMatrix<Type>, Type>(dims.first(), dims.second(), Zero)
{
for (label i = 0; i < min(dims.first(), dims.second()); ++i)
{
this->operator()(i, i) = pTraits<Type>::one;
}
}
template<class Type> template<class Type>
inline Foam::RectangularMatrix<Type>::RectangularMatrix inline Foam::RectangularMatrix<Type>::RectangularMatrix
( (