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As proposed on the list:

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- rename EvalBeforeAssignBit to MayAliasBit
- make .lazy() remove the MayAliasBit only, and mark it as deprecated
- add a NoAlias pseudo expression, and MatrixBase::noalias() function
Todo:
- we have to decide whether += and -= assume no aliasing by default ?
- once we agree on the API: update the Sparse module and the unit tests respectively.
This commit is contained in:
Gael Guennebaud
2009-08-15 18:35:51 +02:00
parent 13a8956188
commit 50c703f0c7
14 changed files with 138 additions and 29 deletions
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4
Eigen/src/Core/MapBase.h
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@@ -179,11 +179,11 @@ template<typename Derived> class MapBase
// explicitly add these two overloads.
// Maybe there exists a better solution though.
template<typename ProductDerived, typename Lhs,typename Rhs>
Derived& operator+=(const Flagged<ProductBase<ProductDerived,Lhs,Rhs>, 0, EvalBeforeNestingBit | EvalBeforeAssigningBit>& other)
Derived& operator+=(const Flagged<ProductBase<ProductDerived,Lhs,Rhs>, 0, MayAliasBit>& other)
{ return Base::operator+=(other); }
template<typename ProductDerived, typename Lhs,typename Rhs>
Derived& operator-=(const Flagged<ProductBase<ProductDerived,Lhs,Rhs>, 0, EvalBeforeNestingBit | EvalBeforeAssigningBit>& other)
Derived& operator-=(const Flagged<ProductBase<ProductDerived,Lhs,Rhs>, 0, MayAliasBit>& other)
{ return Base::operator-=(other); }
template<typename OtherDerived>