view Python/hypot.c @ 25051:cbee2ed6cd75 legacy-trunk

Note change in behavior from 1.5.2. The new argument to NameError is an error message and not just the missing name. Closes SF Bug 599869.
author Raymond Hettinger <python@rcn.com>
date Tue, 27 Aug 2002 23:53:23 +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);
	}
}