Ruby 2.0.0p353(2013-11-22revision43784)

- Main Page
- Modules
- Data Structures
- Files

- File List
- Globals

hypot.c
Go to the documentation of this file.
1 /* public domain rewrite of hypot */
2
3 #include "ruby/missing.h"
4 #include <math.h>
5
6 double hypot(double x, double y)
7 {
8 if (x < 0) x = -x;
9 if (y < 0) y = -y;
10 if (x < y) {
11 double tmp = x;
12 x = y; y = tmp;
13 }
14 if (y == 0.0) return x;
15 y /= x;
16 return x * sqrt(1.0+y*y);
17 }
tmp
volatile VALUE tmp
Definition: tcltklib.c:10209
missing.h
hypot
RUBY_EXTERN double hypot(double, double)
Definition: hypot.c:6