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Alignment fixes:

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* Fix AlignedBit computation for Plain Objects
 * use it for the conditional alignment of operator new
 * only overload new in PlainObjectBase, don't overload again in Matrix and Array
This commit is contained in:
Benoit Jacob
2011-11-22 09:04:31 -05:00
parent 9ed342a30e
commit a52ab9c089
4 changed files with 3 additions and 12 deletions
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4
Eigen/src/Core/PlainObjectBase.h
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@@ -97,14 +97,12 @@ class PlainObjectBase : public internal::dense_xpr_base<Derived>::type
template<typename StrideType> struct StridedConstMapType { typedef Eigen::Map<const Derived, Unaligned, StrideType> type; };
template<typename StrideType> struct StridedAlignedMapType { typedef Eigen::Map<Derived, Aligned, StrideType> type; };
template<typename StrideType> struct StridedConstAlignedMapType { typedef Eigen::Map<const Derived, Aligned, StrideType> type; };
protected:
DenseStorage<Scalar, Base::MaxSizeAtCompileTime, Base::RowsAtCompileTime, Base::ColsAtCompileTime, Options> m_storage;
public:
enum { NeedsToAlign = (!(Options&DontAlign))
&& SizeAtCompileTime!=Dynamic && ((static_cast<int>(sizeof(Scalar))*SizeAtCompileTime)%16)==0 };
enum { NeedsToAlign = SizeAtCompileTime != Dynamic && (internal::traits<Derived>::Flags & AlignedBit) != 0 };
EIGEN_MAKE_ALIGNED_OPERATOR_NEW_IF(NeedsToAlign)
Base& base() { return *static_cast<Base*>(this); }