#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <errno.h>
int main(int argc, char *argv[])
{
int i;
union {float f; uint32_t i;} f;
union {double f; uint64_t i;} d;
union {long double f; struct {uint64_t m; uint16_t se;} i;} ld;
char *eptr;
for (i = 1; i < argc; i++) {
errno = 0;
f.f = strtof(argv[i], &eptr);
printf("0x%08x (*eptr:%d errno:%d)\n", f.i, *eptr, errno);
errno = 0;
d.f = strtod(argv[i], &eptr);
printf("0x%08x %08x (*eptr:%d errno:%d)\n",
(unsigned)(d.i>>32), (unsigned)d.i, *eptr, errno);
errno = 0;
ld.f = strtold(argv[i], &eptr);
printf("0x%04x %08x %08x (*eptr:%d errno:%d)\n",
ld.i.se, (unsigned)(ld.i.m>>32), (unsigned)ld.i.m, *eptr, errno);
}
return 0;
}