view Python/hypot.c @ 22360:c8a6ea00a9e1 legacy-trunk

restructure a bit to not rely on test case execution ordering add test case for bug #482460
author Skip Montanaro <skip@pobox.com>
date Sun, 17 Mar 2002 23:03:42 +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);
	}
}