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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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6
Eigen/src/Sparse/SparseDiagonalProduct.h
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@@ -42,7 +42,7 @@ struct ei_traits<SparseDiagonalProduct<Lhs, Rhs> > : ei_traits<SparseProduct<Lhs
typedef typename ei_cleantype<Lhs>::type _Lhs;
typedef typename ei_cleantype<Rhs>::type _Rhs;
enum {
SparseFlags = ((int(_Lhs::Flags)&Diagonal)==Diagonal) ? int(_Rhs::Flags) : int(_Lhs::Flags),
SparseFlags = ei_is_diagonal<_Lhs>::ret ? int(_Rhs::Flags) : int(_Lhs::Flags),
Flags = SparseBit | (SparseFlags&RowMajorBit)
};
};
@@ -58,9 +58,9 @@ class SparseDiagonalProduct : public SparseMatrixBase<SparseDiagonalProduct<LhsN
typedef typename ei_traits<SparseDiagonalProduct>::_RhsNested _RhsNested;
enum {
LhsMode = (_LhsNested::Flags&Diagonal)==Diagonal ? SDP_IsDiagonal
LhsMode = ei_is_diagonal<_LhsNested>::ret ? SDP_IsDiagonal
: (_LhsNested::Flags&RowMajorBit) ? SDP_IsSparseRowMajor : SDP_IsSparseColMajor,
RhsMode = (_RhsNested::Flags&Diagonal)==Diagonal ? SDP_IsDiagonal
RhsMode = ei_is_diagonal<_RhsNested>::ret ? SDP_IsDiagonal
: (_RhsNested::Flags&RowMajorBit) ? SDP_IsSparseRowMajor : SDP_IsSparseColMajor
};