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  1. #include <type_traits>
  2. #include <complex>
  3.     template<class T>
  4.     struct is_complex_or_floating_point : std::is_floating_point<T> { };
  5.  
  6.     template<class T>
  7.     struct is_complex_or_floating_point<std::complex<T>> : std::is_floating_point<T> { };
  8.  
  9. int main()
  10. {
  11.     static_assert(!is_complex_or_floating_point<int>::value, "");
  12.     static_assert(is_complex_or_floating_point<float>::value, "");
  13.     static_assert(is_complex_or_floating_point<double>::value, "");
  14.     static_assert(is_complex_or_floating_point<std::complex<float>>::value, "");
  15.     static_assert(is_complex_or_floating_point<std::complex<double>>::value, "");
  16. }
Success #stdin #stdout 0s 3336KB
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https://ideone.com/y7U2p5
language:
C++14 (gcc 8.3)
created:
10 years ago
visibility:
public

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