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bug #1144: fix regression in x=y+A*x (aliasing), and move evaluator_traits::AssumeAliasing to evaluator_assume_aliasing.

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Gael Guennebaud
2016-01-09 08:30:38 +01:00
parent f9d71a1729
commit 8b9dc9f0df
11 changed files with 77 additions and 44 deletions
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8
Eigen/src/Core/CoreEvaluators.h
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@@ -63,10 +63,6 @@ struct evaluator_traits_base
// by default, get evaluator kind and shape from storage
typedef typename storage_kind_to_evaluator_kind<typename traits<T>::StorageKind>::Kind Kind;
typedef typename storage_kind_to_shape<typename traits<T>::StorageKind>::Shape Shape;
// 1 if assignment A = B assumes aliasing when B is of type T and thus B needs to be evaluated into a
// temporary; 0 if not.
static const int AssumeAliasing = 0;
};
// Default evaluator traits
@@ -75,6 +71,10 @@ struct evaluator_traits : public evaluator_traits_base<T>
{
};
template<typename T, typename Shape = typename evaluator_traits<T>::Shape >
struct evaluator_assume_aliasing {
static const bool value = false;
};
// By default, we assume a unary expression:
template<typename T>