6 extern uint64_t pack754(long double f, unsigned bits, unsigned expbits);
7 extern long double unpack754(uint64_t i, unsigned bits, unsigned expbits);
9 #define fio_double_to_uint64(val) pack754((val), 64, 11)
10 #define fio_uint64_to_double(val) unpack754((val), 64, 11)
12 typedef struct fio_fp64 {