view Python/hypot.c @ 19283:b865cd5c1925 legacy-trunk

Added comments before recently added/assigned slots in the type object, so the backward compatibility issues will be easier to understand. I only added comments indicating additions and assignments back to Python 2.0.
author Fred Drake <fdrake@acm.org>
date Wed, 15 Aug 2001 18:32:33 +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);
	}
}