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big architecture change dissociating "actual" dimensions from "maximum possible"

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dimension. The advantage is that evaluating a dynamic-sized block in a fixed-size
matrix no longer causes a dynamic memory allocation. Other new thing:
IntAtRunTimeIfDynamic allows storing an integer at zero cost if it is known at
compile time.
This commit is contained in:
Benoit Jacob
2008-01-13 19:55:23 +00:00
parent e05a1aba1d
commit 89a134ba0b
29 changed files with 280 additions and 292 deletions
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11
Eigen/src/Core/Identity.h
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@@ -50,12 +50,14 @@ template<typename MatrixType> class Identity : NoOperatorEquals,
private:
enum {
RowsAtCompileTime = MatrixType::Traits::RowsAtCompileTime,
ColsAtCompileTime = MatrixType::Traits::ColsAtCompileTime
ColsAtCompileTime = MatrixType::Traits::ColsAtCompileTime,
MaxRowsAtCompileTime = MatrixType::Traits::MaxRowsAtCompileTime,
MaxColsAtCompileTime = MatrixType::Traits::MaxColsAtCompileTime
};
const Identity& _ref() const { return *this; }
int _rows() const { return m_rows; }
int _cols() const { return m_cols; }
int _rows() const { return m_rows.value(); }
int _cols() const { return m_cols.value(); }
Scalar _coeff(int row, int col) const
{
@@ -63,7 +65,8 @@ template<typename MatrixType> class Identity : NoOperatorEquals,
}
protected:
const int m_rows, m_cols;
const IntAtRunTimeIfDynamic<RowsAtCompileTime> m_rows;
const IntAtRunTimeIfDynamic<ColsAtCompileTime> m_cols;
};
/** \returns an expression of the identity matrix (not necessarily square).