1 #ifndef FIO_IEEE754_H
2 #define FIO_IEEE754_H
3 
4 #include <inttypes.h>
5 
6 extern uint64_t pack754(long double f, unsigned bits, unsigned expbits);
7 extern long double unpack754(uint64_t i, unsigned bits, unsigned expbits);
8 
9 #define fio_double_to_uint64(val)	pack754((val), 64, 11)
10 #define fio_uint64_to_double(val)	unpack754((val), 64, 11)
11 
12 typedef struct fio_fp64 {
13 	union {
14 		uint64_t i;
15 		double f;
16 		uint8_t filler[16];
17 	} u;
18 } fio_fp64_t;
19 
20 #endif
21