Ruby 3.2.5p208 (2024-07-26 revision 31d0f1a2e7dbfb60731d1f05b868e1d578cda493)
cbrt.c
1#include "ruby/missing.h"
2#include <math.h>
3
4double cbrt(double x)
5{
6 if (x < 0)
7 return -pow(-x, 1/3.0);
8 else
9 return pow(x, 1/3.0);
10}
11