| 11 |
|
|
| 12 |
|
#include <stdio.h> |
| 13 |
|
|
| 14 |
< |
#ifndef frexp |
| 15 |
< |
extern double frexp(); |
| 14 |
> |
#include "rtio.h" |
| 15 |
> |
|
| 16 |
> |
#include <math.h> |
| 17 |
> |
|
| 18 |
> |
#ifdef getc_unlocked /* avoid horrendous overhead of flockfile */ |
| 19 |
> |
#undef getc |
| 20 |
> |
#undef putc |
| 21 |
> |
#define getc getc_unlocked |
| 22 |
> |
#define putc putc_unlocked |
| 23 |
|
#endif |
| 17 |
– |
#ifndef ldexp |
| 18 |
– |
extern double ldexp(); |
| 19 |
– |
#endif |
| 24 |
|
|
| 25 |
|
|
| 26 |
|
void |
| 103 |
|
double d; |
| 104 |
|
|
| 105 |
|
l = getint(4, fp); |
| 106 |
+ |
if (l == 0) { |
| 107 |
+ |
getc(fp); /* exactly zero -- ignore exponent */ |
| 108 |
+ |
return(0.0); |
| 109 |
+ |
} |
| 110 |
|
d = (l + (l > 0 ? .5 : -.5)) * (1./0x7fffffff); |
| 111 |
|
return(ldexp(d, (int)getint(1, fp))); |
| 112 |
|
} |
