gcc/testsuite/g++.dg/cpp23/ext-floating.h

   1 // P1467R9 - Extended floating-point types and standard names.
   2
   3 namespace std
   4 {
   5   #ifdef __STDCPP_FLOAT16_T__
   6   using float16_t = _Float16;
   7   #endif
   8   #ifdef __STDCPP_FLOAT32_T__
   9   using float32_t = _Float32;
  10   #endif
  11   #ifdef __STDCPP_FLOAT64_T__
  12   using float64_t = _Float64;
  13   #endif
  14   #ifdef __STDCPP_FLOAT128_T__
  15   using float128_t = _Float128;
  16   #endif
  17   #undef __STDCPP_BFLOAT16_T__
  18   #ifdef __STDCPP_BFLOAT16_T__
  19   using bfloat16_t = __bf16; // ???
  20   #endif
  21   template<typename T, T v> struct integral_constant {
  22     static constexpr T value = v;
  23   };
  24   typedef integral_constant<bool, false> false_type;
  25   typedef integral_constant<bool, true> true_type;
  26   template<class T, class U>
  27   struct is_same : std::false_type {};
  28   template <class T>
  29   struct is_same<T, T> : std::true_type {};
  30 }