#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