devtools/eigen
1
0
Fork 0
mirror of https://gitlab.com/libeigen/eigen.git synced 2026-04-10 11:34:33 +08:00
Code Issues Packages Projects Releases Wiki Activity

* Make ReturnByValue have the EvalBeforeAssigningBit and explicitly

Browse Source 
enforce this mechanism (otherwise ReturnByValue bypasses it).
 (use .noalias() to get the old behavior.)
* Remove a hack in Inverse, futile optimization for 2x2 expressions.
This commit is contained in:
Benoit Jacob
2010-05-30 13:43:08 -04:00
parent 48b8ace517
commit 641d968a9a
4 changed files with 21 additions and 23 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
Eigen/src/Core/NoAlias.h
View File

@@ -45,12 +45,18 @@ class NoAlias
public:
NoAlias(ExpressionType& expression) : m_expression(expression) {}
/** Behaves like MatrixBase::lazyAssign(other)
* \sa MatrixBase::lazyAssign() */
/* \sa MatrixBase::lazyAssign() */
template<typename OtherDerived>
EIGEN_STRONG_INLINE ExpressionType& operator=(const StorageBase<OtherDerived>& other)
{ return m_expression.lazyAssign(other.derived()); }
template<typename OtherDerived>
EIGEN_STRONG_INLINE ExpressionType& operator=(const ReturnByValue<OtherDerived>& other)
{
other.evalTo(m_expression);
return m_expression;
}
/** \sa MatrixBase::operator+= */
template<typename OtherDerived>
EIGEN_STRONG_INLINE ExpressionType& operator+=(const StorageBase<OtherDerived>& other)