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Tip revision: 3556b2db57ab3b17b3d4c6b28cdc604a3e0168e8 authored by Anthony Baxter on 27 April 2006, 02:13:13 UTC
2.5a2
Tip revision: 3556b2d
hypot.c
/* 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);
	}
}
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