Ruby 3.2.1p31 (2023-02-08 revision 31819e82c88c6f8ecfaeb162519bfa26a14b21fd)
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