Vc  1.3.2-dev
SIMD Vector Classes for C++
has_multiply_operator.h
1 /* This file is part of the Vc library. {{{
2 Copyright © 2014-2015 Matthias Kretz <kretz@kde.org>
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26 }}}*/
27 
28 #ifndef VC_TRAITS_HAS_MULTIPLY_OPERATOR_H_
29 #define VC_TRAITS_HAS_MULTIPLY_OPERATOR_H_
30 
32 {
33 
34 template <typename T, typename U, typename = decltype(std::declval<T>() * std::declval<U>())> std::true_type test(int);
35 template <typename T, typename U> std::false_type test(...);
36 
37 } // namespace has_multiply_operator_impl
38 
39 template <typename T, typename U = T>
40 struct has_multiply_operator : public decltype(has_multiply_operator_impl::test<T, U>(1))
41 {
42 };
43 
44 #endif // VC_TRAITS_HAS_MULTIPLY_OPERATOR_H_