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fix bug in MapBase found by myguel

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This commit is contained in:
Gael Guennebaud 2009-02-12 15:29:20 +00:00
parent 51c991af45
commit 59a1ed0932
1 changed files with 6 additions and 2 deletions
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8
Eigen/src/Core/MapBase.h
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@ -96,7 +96,11 @@ template<typename Derived> class MapBase
inline Scalar& coeffRef(int index) inline Scalar& coeffRef(int index)
{ {
return *const_cast<Scalar*>(m_data + index); ei_assert(Derived::IsVectorAtCompileTime || (ei_traits<Derived>::Flags & LinearAccessBit));
if ( ((RowsAtCompileTime == 1) == IsRowMajor) )
return const_cast<Scalar*>(m_data)[index];
else
return const_cast<Scalar*>(m_data)[index*stride()];
} }
template<int LoadMode> template<int LoadMode>
@ -150,7 +154,7 @@ template<typename Derived> class MapBase
|| ( rows > 0 && (RowsAtCompileTime == Dynamic || RowsAtCompileTime == rows) || ( rows > 0 && (RowsAtCompileTime == Dynamic || RowsAtCompileTime == rows)
&& cols > 0 && (ColsAtCompileTime == Dynamic || ColsAtCompileTime == cols))); && cols > 0 && (ColsAtCompileTime == Dynamic || ColsAtCompileTime == cols)));
} }
template<typename OtherDerived> template<typename OtherDerived>
Derived& operator+=(const MatrixBase<OtherDerived>& other) Derived& operator+=(const MatrixBase<OtherDerived>& other)
{ return derived() = forceAligned() + other; } { return derived() = forceAligned() + other; }