view Python/hypot.c @ 37829:f048116aade0 legacy-trunk

It's probably a good idea to actually *install* setuptools, too. ;)
author Phillip J. Eby <pje@telecommunity.com>
date Tue, 18 Apr 2006 04:34:50 +0000
parents 2dea40e40d9d
children 7bc4cc972b0b
line wrap: on
line source

/* hypot() replacement */

#include "pyconfig.h"
#include "pyport.h"

double hypot(double x, double y)
{
	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);
	}
}