Go to most recent revision |
Blame |
Last modification |
View Log
| Download
| RSS feed
/* Copyright (C) 1996 DJ Delorie, see COPYING.DJ for details */
/* Copyright (C) 1995 DJ Delorie, see COPYING.DJ for details */
#include <math.h>
double
{
double two = 2.0;
if (e < 0)
{
e = -e; /* This just might overflow on two-complement machines. */
if (e < 0) return 0.0;
while (e > 0)
{
if (e & 1) v /= two;
two *= two;
e >>= 1;
}
}
else if (e > 0)
{
while (e > 0)
{
if (e & 1) v *= two;
two *= two;
e >>= 1;
}
}
return v;
}