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fix a compilation issue with gcc-3.3 and ei_result_of

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This commit is contained in:
Gael Guennebaud 2008-04-03 12:39:39 +00:00
parent d1a29d6319
commit 4448f2620d
2 changed files with 9 additions and 5 deletions
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8
Eigen/src/Core/Util.h
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@ -217,7 +217,9 @@ struct ei_result_of<Func(ArgType)> {
static ei_has_tr1_result testFunctor(T const *, typename T::template result<T(ArgType)>::type const * = 0);
static ei_has_none testFunctor(...);
typedef typename ei_unary_result_of_select<Func, ArgType, sizeof(testFunctor(static_cast<Func*>(0)))>::type type;
// note that the following indirection is needed for gcc-3.3
enum {FunctorType = sizeof(testFunctor(static_cast<Func*>(0)))};
typedef typename ei_unary_result_of_select<Func, ArgType, FunctorType>::type type;
};
template<typename Func, typename ArgType0, typename ArgType1, int SizeOf=sizeof(ei_has_none)>
@ -239,7 +241,9 @@ struct ei_result_of<Func(ArgType0,ArgType1)> {
static ei_has_tr1_result testFunctor(T const *, typename T::template result<T(ArgType0,ArgType1)>::type const * = 0);
static ei_has_none testFunctor(...);
typedef typename ei_binary_result_of_select<Func, ArgType0, ArgType1, sizeof(testFunctor(static_cast<Func*>(0)))>::type type;
// note that the following indirection is needed for gcc-3.3
enum {FunctorType = sizeof(testFunctor(static_cast<Func*>(0)))};
typedef typename ei_binary_result_of_select<Func, ArgType0, ArgType1, FunctorType>::type type;
};
#endif // EIGEN_UTIL_H