File: hypot.c

package info (click to toggle)
python2.5 2.5.2-15%2Blenny1
  • links: PTS, VCS
  • area: main
  • in suites: lenny
  • size: 55,940 kB
  • ctags: 97,448
  • sloc: ansic: 354,616; python: 320,341; sh: 16,213; asm: 6,567; makefile: 4,281; lisp: 3,696; perl: 3,674; xml: 894; objc: 756; sed: 2
file content (23 lines) | stat: -rw-r--r-- 282 bytes parent folder | download | duplicates (11) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
 
/* 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);
	}
}