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Fix compilation with visual studio

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This commit is contained in:
Gael Guennebaud 2016-09-01 12:59:32 +02:00
parent 221f619bea
commit 3d946e42b3
1 changed files with 3 additions and 4 deletions
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7
Eigen/src/Core/util/Meta.h
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@ -381,13 +381,12 @@ struct has_ReturnType
enum { value = sizeof(testFunctor<T>(0)) == sizeof(meta_yes) };
};
template<int Size> struct meta_array { int a[Size]; };
template<typename T> const T& return_ref();
template <typename T>
struct has_nullary_operator
{
template <typename C> static meta_yes testFunctor(C const *,meta_array< sizeof(return_ref<C>()()) > * = 0);
template <typename C> static meta_yes testFunctor(C const *,enable_if<(sizeof(return_ref<C>()())>0)> * = 0);
static meta_no testFunctor(...);
enum { value = sizeof(testFunctor(static_cast<T*>(0))) == sizeof(meta_yes) };
@ -396,7 +395,7 @@ struct has_nullary_operator
template <typename T>
struct has_unary_operator
{
template <typename C> static meta_yes testFunctor(C const *,meta_array< sizeof(return_ref<C>()(Index(0))) > * = 0);
template <typename C> static meta_yes testFunctor(C const *,enable_if<(sizeof(return_ref<C>()(Index(0)))>0)> * = 0);
static meta_no testFunctor(...);
enum { value = sizeof(testFunctor(static_cast<T*>(0))) == sizeof(meta_yes) };
@ -405,7 +404,7 @@ struct has_unary_operator
template <typename T>
struct has_binary_operator
{
template <typename C> static meta_yes testFunctor(C const *,meta_array< sizeof(return_ref<C>()(Index(0),Index(0))) > * = 0);
template <typename C> static meta_yes testFunctor(C const *,enable_if<(sizeof(return_ref<C>()(Index(0),Index(0)))>0)> * = 0);
static meta_no testFunctor(...);
enum { value = sizeof(testFunctor(static_cast<T*>(0))) == sizeof(meta_yes) };