ref: d08addceab3e0ed3a48d54ce3ea14f8703e6eeb2
dir: /ieee754.h/
#pragma once
union ieee754_double {
double d;
struct {
#if BYTE_ORDER == BIG_ENDIAN
unsigned int negative:1;
unsigned int exponent:11;
unsigned int mantissa0:20;
unsigned int mantissa1:32;
#else
unsigned int mantissa1:32;
unsigned int mantissa0:20;
unsigned int exponent:11;
unsigned int negative:1;
#endif
}ieee;
};
#define IEEE754_DOUBLE_BIAS 0x3ff