using u64 = __UINT64_TYPE__;
using u32 = __UINT32_TYPE__;
using u16 = __UINT16_TYPE__;
using u8 = __UINT8_TYPE__;

using i64 = __INT64_TYPE__;
using i32 = __INT32_TYPE__;
using i16 = __INT16_TYPE__;
using i8 = __INT8_TYPE__;

using f32 = float;
static_assert(__FLT_MANT_DIG__ == 24 && __FLT_MAX_EXP__ == 128);

using f64 = double;
static_assert(__DBL_MANT_DIG__ == 53 && __DBL_MAX_EXP__ == 1024);

#if __LDBL_MANT_DIG__ == 64 && __LDBL_MAX__EXP__ == 16384
using f80 = long double;
#elif __LDBL_MANT_DIG__ == 113 && __LDBL_MAX_EXP__ == 16384
using f128 = long double;
#endif

using size_t = __SIZE_TYPE__;