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make shameless use of const_cast to reduce code redundancy. This means Eigen2

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gives up enforcing constness. I really tried to enforce it, but it really was
much hassle because our expression templates can be lvalues (not only rvalues)
and so much code had to be written twice.
This commit is contained in:
Benoit Jacob
2007-10-15 05:56:21 +00:00
parent f355ef2df0
commit 884a718b0a
20 changed files with 34 additions and 83 deletions
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27
src/Core/MatrixRef.h
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@@ -26,31 +26,6 @@
#ifndef EI_MATRIXREF_H
#define EI_MATRIXREF_H
template<typename MatrixType> class MatrixConstRef
: public Object<typename MatrixType::Scalar, MatrixConstRef<MatrixType> >
{
public:
typedef typename MatrixType::Scalar Scalar;
friend class Object<Scalar, MatrixConstRef>;
MatrixConstRef(const MatrixType& matrix) : m_matrix(matrix) {}
MatrixConstRef(const MatrixConstRef& other) : m_matrix(other.m_matrix) {}
~MatrixConstRef() {}
EI_INHERIT_ASSIGNMENT_OPERATORS(MatrixConstRef)
private:
int _rows() const { return m_matrix.rows(); }
int _cols() const { return m_matrix.cols(); }
const Scalar& _read(int row, int col) const
{
return m_matrix._read(row, col);
}
const MatrixType& m_matrix;
};
template<typename MatrixType> class MatrixRef
: public Object<typename MatrixType::Scalar, MatrixRef<MatrixType> >
{
@@ -58,7 +33,7 @@ template<typename MatrixType> class MatrixRef
typedef typename MatrixType::Scalar Scalar;
friend class Object<Scalar, MatrixRef>;
MatrixRef(MatrixType& matrix) : m_matrix(matrix) {}
MatrixRef(const MatrixType& matrix) : m_matrix(*const_cast<MatrixType*>(&matrix)) {}
MatrixRef(const MatrixRef& other) : m_matrix(other.m_matrix) {}
~MatrixRef() {}