cpython/Python/hypot.c

26 lines
304 B
C
Raw Normal View History

1996-08-29 15:10:41 -03:00
/* hypot() replacement */
#include "Python.h"
1996-08-29 15:10:41 -03:00
#ifndef HAVE_HYPOT
double hypot(double x, double y)
1996-08-29 15:10:41 -03:00
{
double yx;
x = fabs(x);
y = fabs(y);
if (x < y) {
double temp = x;
x = y;
y = temp;
}
if (x == 0.)
return 0.;
else {
yx = y/x;
return x*sqrt(1.+yx*yx);
}
}
#endif /* HAVE_HYPOT */