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make Visitor honors nesting requirements (fix prod.maxCoeff(i) and similar)

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Gael Guennebaud
2015-11-18 23:27:18 +01:00
parent b3b9d7a14c
commit 7dc0c4e8f6
2 changed files with 10 additions and 2 deletions
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7
Eigen/src/Core/Visitor.h
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@@ -76,14 +76,17 @@ template<typename Derived>
template<typename Visitor>
void DenseBase<Derived>::visit(Visitor& visitor) const
{
typedef typename internal::remove_all<typename Derived::Nested>::type ThisNested;
typename Derived::Nested thisNested(derived());
enum { unroll = SizeAtCompileTime != Dynamic
&& CoeffReadCost != Dynamic
&& (SizeAtCompileTime == 1 || internal::functor_traits<Visitor>::Cost != Dynamic)
&& SizeAtCompileTime * CoeffReadCost + (SizeAtCompileTime-1) * internal::functor_traits<Visitor>::Cost
<= EIGEN_UNROLLING_LIMIT };
return internal::visitor_impl<Visitor, Derived,
return internal::visitor_impl<Visitor, ThisNested,
unroll ? int(SizeAtCompileTime) : Dynamic
>::run(derived(), visitor);
>::run(thisNested, visitor);
}
namespace internal {