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Workaround a weird msvc 2012 compilation error.

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This commit is contained in:
Gael Guennebaud
2016-09-05 15:50:41 +02:00
parent d123717e21
commit e13071dd13
3 changed files with 74 additions and 5 deletions
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10
Eigen/src/Core/util/Meta.h
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@@ -383,7 +383,7 @@ struct has_ReturnType
template<typename T> const T& return_ref();
template <typename T>
template <typename T, typename IndexType=Index>
struct has_nullary_operator
{
template <typename C> static meta_yes testFunctor(C const *,typename enable_if<(sizeof(return_ref<C>().operator()())>0)>::type * = 0);
@@ -392,19 +392,19 @@ struct has_nullary_operator
enum { value = sizeof(testFunctor(static_cast<T*>(0))) == sizeof(meta_yes) };
};
template <typename T>
template <typename T, typename IndexType=Index>
struct has_unary_operator
{
template <typename C> static meta_yes testFunctor(C const *,typename enable_if<(sizeof(return_ref<C>().operator()(Index(0)))>0)>::type * = 0);
template <typename C> static meta_yes testFunctor(C const *,typename enable_if<(sizeof(return_ref<C>().operator()(IndexType(0)))>0)>::type * = 0);
static meta_no testFunctor(...);
enum { value = sizeof(testFunctor(static_cast<T*>(0))) == sizeof(meta_yes) };
};
template <typename T>
template <typename T, typename IndexType=Index>
struct has_binary_operator
{
template <typename C> static meta_yes testFunctor(C const *,typename enable_if<(sizeof(return_ref<C>().operator()(Index(0),Index(0)))>0)>::type * = 0);
template <typename C> static meta_yes testFunctor(C const *,typename enable_if<(sizeof(return_ref<C>().operator()(IndexType(0),IndexType(0)))>0)>::type * = 0);
static meta_no testFunctor(...);
enum { value = sizeof(testFunctor(static_cast<T*>(0))) == sizeof(meta_yes) };