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* Refactoring of the class hierarchy: introduction of DenseDirectAccessBase, removal of extra _Base/_Options template parameters.

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* Introduction of strides-at-compile-time so for example the optimized code really knows when it needs to evaluate to a temporary
* StorageKind / XprKind
* Quaternion::setFromTwoVectors: use JacobiSVD instead of SVD
* ComplexSchur: support the 1x1 case
This commit is contained in:
Benoit Jacob
2010-04-16 10:13:32 -04:00
parent 1803db6e84
commit ff6a46105d
43 changed files with 269 additions and 229 deletions
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34
Eigen/src/Core/Transpose.h
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@@ -44,25 +44,28 @@ struct ei_traits<Transpose<MatrixType> > : ei_traits<MatrixType>
typedef typename MatrixType::Scalar Scalar;
typedef typename ei_nested<MatrixType>::type MatrixTypeNested;
typedef typename ei_unref<MatrixTypeNested>::type _MatrixTypeNested;
typedef typename ei_traits<MatrixType>::StorageType StorageType;
typedef typename ei_traits<MatrixType>::StorageKind StorageKind;
typedef typename ei_traits<MatrixType>::XprKind XprKind;
enum {
RowsAtCompileTime = MatrixType::ColsAtCompileTime,
ColsAtCompileTime = MatrixType::RowsAtCompileTime,
MaxRowsAtCompileTime = MatrixType::MaxColsAtCompileTime,
MaxColsAtCompileTime = MatrixType::MaxRowsAtCompileTime,
Flags = int(_MatrixTypeNested::Flags & ~NestByRefBit) ^ RowMajorBit,
CoeffReadCost = _MatrixTypeNested::CoeffReadCost
CoeffReadCost = _MatrixTypeNested::CoeffReadCost,
InnerStrideAtCompileTime = ei_inner_stride_at_compile_time<MatrixType>::ret,
OuterStrideAtCompileTime = ei_outer_stride_at_compile_time<MatrixType>::ret
};
};
template<typename MatrixType, typename StorageType> class TransposeImpl;
template<typename MatrixType, typename StorageKind> class TransposeImpl;
template<typename MatrixType> class Transpose
: public TransposeImpl<MatrixType,typename ei_traits<MatrixType>::StorageType>
: public TransposeImpl<MatrixType,typename ei_traits<MatrixType>::StorageKind>
{
public:
typedef typename TransposeImpl<MatrixType,typename ei_traits<MatrixType>::StorageType>::Base Base;
typedef typename TransposeImpl<MatrixType,typename ei_traits<MatrixType>::StorageKind>::Base Base;
EIGEN_GENERIC_PUBLIC_INTERFACE_NEW(Transpose)
inline Transpose(const MatrixType& matrix) : m_matrix(matrix) {}
@@ -84,13 +87,24 @@ template<typename MatrixType> class Transpose
const typename MatrixType::Nested m_matrix;
};
template<typename MatrixType, bool _HasDirectAccess = ei_has_direct_access<MatrixType>::ret>
struct ei_TransposeImpl_base
{
typedef DenseDirectAccessBase<Transpose<MatrixType> > type;
};
template<typename MatrixType>
struct ei_TransposeImpl_base<MatrixType, false>
{
typedef typename ei_dense_xpr_base<Transpose<MatrixType> >::type type;
};
template<typename MatrixType> class TransposeImpl<MatrixType,Dense>
: public MatrixType::template MakeBase<Transpose<MatrixType> >::Type
: public ei_TransposeImpl_base<MatrixType>::type
{
public:
typedef typename MatrixType::template MakeBase<Transpose<MatrixType> >::Type Base;
typedef typename ei_TransposeImpl_base<MatrixType>::type Base;
EIGEN_DENSE_PUBLIC_INTERFACE(Transpose<MatrixType>)
inline int innerStride() const { return derived().nestedExpression().innerStride(); }
@@ -301,7 +315,7 @@ struct ei_check_transpose_aliasing_selector
{
static bool run(const Scalar* dest, const OtherDerived& src)
{
return (ei_blas_traits<OtherDerived>::IsTransposed != DestIsTranposed) && (dest==(Scalar*)ei_extract_data(src));
return (ei_blas_traits<OtherDerived>::IsTransposed != DestIsTranposed) && (dest!=0 && dest==(Scalar*)ei_extract_data(src));
}
};
@@ -310,8 +324,8 @@ struct ei_check_transpose_aliasing_selector<Scalar,DestIsTranposed,CwiseBinaryOp
{
static bool run(const Scalar* dest, const CwiseBinaryOp<BinOp,DerivedA,DerivedB>& src)
{
return ((ei_blas_traits<DerivedA>::IsTransposed != DestIsTranposed) && dest==(Scalar*)ei_extract_data(src.lhs()))
|| ((ei_blas_traits<DerivedB>::IsTransposed != DestIsTranposed) && dest==(Scalar*)ei_extract_data(src.rhs()));
return ((ei_blas_traits<DerivedA>::IsTransposed != DestIsTranposed) && (dest!=0 && dest==(Scalar*)ei_extract_data(src.lhs())))
|| ((ei_blas_traits<DerivedB>::IsTransposed != DestIsTranposed) && (dest!=0 && dest==(Scalar*)ei_extract_data(src.rhs())));
}
};