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bug #884: Copy constructor of Ref shall never malloc, constructing from other RefBase shall only malloc if the memory layout is incompatible.

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This commit is contained in:
Christoph Hertzberg
2014-09-30 14:57:54 +02:00
parent e404841235
commit 12d59465cb
2 changed files with 38 additions and 3 deletions
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9
Eigen/src/Core/Ref.h
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@@ -232,6 +232,15 @@ template<typename TPlainObjectType, int Options, typename StrideType> class Ref<
construct(expr.derived(), typename Traits::template match<Derived>::type());
}
inline Ref(const Ref& other) : Base(other) {
// copy constructor shall not copy the m_object, to avoid unnecessary malloc and copy
}
template<typename OtherRef>
inline Ref(const RefBase<OtherRef>& other) {
construct(other.derived(), typename Traits::template match<OtherRef>::type());
}
protected:
template<typename Expression>