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// P1467R9 - Extended floating-point types and standard names.
namespace std
{
#ifdef __STDCPP_FLOAT16_T__
using float16_t = _Float16;
#endif
#ifdef __STDCPP_FLOAT32_T__
using float32_t = _Float32;
#endif
#ifdef __STDCPP_FLOAT64_T__
using float64_t = _Float64;
#endif
#ifdef __STDCPP_FLOAT128_T__
using float128_t = _Float128;
#endif
#ifdef __STDCPP_BFLOAT16_T__
using bfloat16_t = decltype (0.0bf16);
#endif
template<typename T, T v> struct integral_constant {
static constexpr T value = v;
};
typedef integral_constant<bool, false> false_type;
typedef integral_constant<bool, true> true_type;
template<class T, class U>
struct is_same : std::false_type {};
template <class T>
struct is_same<T, T> : std::true_type {};
}
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