50 |
|
double f; |
51 |
|
FILE *fp; |
52 |
|
{ |
53 |
+ |
long m; |
54 |
|
int e; |
55 |
|
|
56 |
< |
putint((long)(frexp(f,&e)*0x7fffffff), 4, fp); |
56 |
> |
m = frexp(f, &e) * 0x7fffffff; |
57 |
> |
if (e > 127) { /* overflow */ |
58 |
> |
m = m > 0 ? (long)0x7fffffff : -(long)0x7fffffff; |
59 |
> |
e = 127; |
60 |
> |
} else if (e < -128) { /* underflow */ |
61 |
> |
m = 0; |
62 |
> |
e = 0; |
63 |
> |
} |
64 |
> |
putint(m, 4, fp); |
65 |
|
putint((long)e, 1, fp); |
66 |
|
} |
67 |
|
|
112 |
|
double d; |
113 |
|
|
114 |
|
l = getint(4, fp); |
115 |
+ |
if (l == 0) { |
116 |
+ |
getc(fp); /* exactly zero -- ignore exponent */ |
117 |
+ |
return(0.0); |
118 |
+ |
} |
119 |
|
d = (l + (l > 0 ? .5 : -.5)) * (1./0x7fffffff); |
120 |
|
return(ldexp(d, (int)getint(1, fp))); |
121 |
|
} |