view Python/hypot.c @ 32115:84dfa9a67da1 legacy-trunk

ConfigParser: - don't allow setting options to non-string values; raise TypeError when the value is set, instead of raising an arbitrary exception later (such as when string interpolation is performed) - add tests, documentation (closes SF bug #810843)
author Fred Drake <fdrake@acm.org>
date Tue, 18 May 2004 03:29:52 +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);
	}
}