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constant Diagonal ---> DiagonalBits

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introduce ei_is_diagonal to check for it
DiagonalCoeffs ---> Diagonal and allow Index to by Dynamic
-> add MatrixBase::diagonal(int) with unittest and doc
This commit is contained in:
Benoit Jacob
2009-05-10 16:24:39 +00:00
parent eac79b6d2e
commit 9afd1324fd
20 changed files with 256 additions and 203 deletions
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8
Eigen/src/Core/DiagonalProduct.h
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@@ -30,7 +30,7 @@
* Unlike ei_nested, if the argument is a DiagonalMatrix and if it must be evaluated,
* then it evaluated to a DiagonalMatrix having its own argument evaluated.
*/
template<typename T, int N, bool IsDiagonal = (T::Flags&Diagonal)==Diagonal> struct ei_nested_diagonal : ei_nested<T,N> {};
template<typename T, int N, bool IsDiagonal = ei_is_diagonal<T>::ret> struct ei_nested_diagonal : ei_nested<T,N> {};
template<typename T, int N> struct ei_nested_diagonal<T,N,true>
: ei_nested<T, N, DiagonalMatrix<typename T::Scalar, EIGEN_ENUM_MIN(T::RowsAtCompileTime,T::ColsAtCompileTime)> >
{};
@@ -61,8 +61,8 @@ struct ei_traits<Product<LhsNested, RhsNested, DiagonalProduct> >
MaxRowsAtCompileTime = _LhsNested::MaxRowsAtCompileTime,
MaxColsAtCompileTime = _RhsNested::MaxColsAtCompileTime,
LhsIsDiagonal = (_LhsNested::Flags&Diagonal)==Diagonal,
RhsIsDiagonal = (_RhsNested::Flags&Diagonal)==Diagonal,
LhsIsDiagonal = ei_is_diagonal<_LhsNested>::ret,
RhsIsDiagonal = ei_is_diagonal<_RhsNested>::ret,
CanVectorizeRhs = (!RhsIsDiagonal) && (RhsFlags & RowMajorBit) && (RhsFlags & PacketAccessBit)
&& (ColsAtCompileTime % ei_packet_traits<Scalar>::size == 0),
@@ -86,7 +86,7 @@ template<typename LhsNested, typename RhsNested> class Product<LhsNested, RhsNes
typedef typename ei_traits<Product>::_RhsNested _RhsNested;
enum {
RhsIsDiagonal = (_RhsNested::Flags&Diagonal)==Diagonal
RhsIsDiagonal = ei_is_diagonal<_RhsNested>::ret
};
public: