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Recommendations for Traits classes

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This commit is contained in:
Michael Marshall
2019-02-28 20:06:59 +00:00
parent 9b6ddb6e54
commit b7db99967a
3 changed files with 201 additions and 113 deletions
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20
Grid/simd/Grid_vector_types.h
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@ -89,17 +89,25 @@ template <typename Condition, typename ReturnType> using NotEnableIf = Invoke<st
////////////////////////////////////////////////////////
// Check for complexity with type traits
template <typename T> struct is_complex : public std::false_type {};
template <> struct is_complex<std::complex<double> > : public std::true_type {};
template <> struct is_complex<std::complex<float> > : public std::true_type {};
template <> struct is_complex<ComplexD> : public std::true_type {};
template <> struct is_complex<ComplexF> : public std::true_type {};
template <typename T> using IfReal = Invoke<std::enable_if<std::is_floating_point<T>::value, int> >;
template<typename T, typename V=void> struct is_real : public std::false_type {};
template<typename T> struct is_real<T, typename std::enable_if<std::is_floating_point<T>::value,
void>::type> : public std::true_type {};
template<typename T, typename V=void> struct is_integer : public std::false_type {};
template<typename T> struct is_integer<T, typename std::enable_if<std::is_integral<T>::value,
void>::type> : public std::true_type {};
template <typename T> using IfReal = Invoke<std::enable_if<is_real<T>::value, int> >;
template <typename T> using IfComplex = Invoke<std::enable_if<is_complex<T>::value, int> >;
template <typename T> using IfInteger = Invoke<std::enable_if<std::is_integral<T>::value, int> >;
template <typename T> using IfInteger = Invoke<std::enable_if<is_integer<T>::value, int> >;
template <typename T1,typename T2> using IfSame = Invoke<std::enable_if<std::is_same<T1,T2>::value, int> >;
template <typename T> using IfNotReal = Invoke<std::enable_if<!std::is_floating_point<T>::value, int> >;
template <typename T> using IfNotReal = Invoke<std::enable_if<!is_real<T>::value, int> >;
template <typename T> using IfNotComplex = Invoke<std::enable_if<!is_complex<T>::value, int> >;
template <typename T> using IfNotInteger = Invoke<std::enable_if<!std::is_integral<T>::value, int> >;
template <typename T> using IfNotInteger = Invoke<std::enable_if<!is_integer<T>::value, int> >;
template <typename T1,typename T2> using IfNotSame = Invoke<std::enable_if<!std::is_same<T1,T2>::value, int> >;
////////////////////////////////////////////////////////