| 4 |
|
/* |
| 5 |
|
* Portable i/o for binary files |
| 6 |
|
* |
| 7 |
< |
* External symbols declared in standard.h |
| 7 |
> |
* External symbols declared in rtio.h |
| 8 |
|
*/ |
| 9 |
|
|
| 10 |
|
#include "copyright.h" |
| 11 |
|
|
| 12 |
– |
#include <stdio.h> |
| 13 |
– |
|
| 12 |
|
#include "rtio.h" |
| 13 |
|
|
| 14 |
|
#include <math.h> |
| 48 |
|
double f; |
| 49 |
|
FILE *fp; |
| 50 |
|
{ |
| 51 |
+ |
long m; |
| 52 |
|
int e; |
| 53 |
|
|
| 54 |
< |
putint((long)(frexp(f,&e)*0x7fffffff), 4, fp); |
| 54 |
> |
m = frexp(f, &e) * 0x7fffffff; |
| 55 |
> |
if (e > 127) { /* overflow */ |
| 56 |
> |
m = m > 0 ? (long)0x7fffffff : -(long)0x7fffffff; |
| 57 |
> |
e = 127; |
| 58 |
> |
} else if (e < -128) { /* underflow */ |
| 59 |
> |
m = 0; |
| 60 |
> |
e = 0; |
| 61 |
> |
} |
| 62 |
> |
putint(m, 4, fp); |
| 63 |
|
putint((long)e, 1, fp); |
| 64 |
|
} |
| 65 |
|
|
