Ruby 3.3.7p123 (2025-01-15 revision be31f993d7fa0219d85f7b3c694d454da4ecc10b)
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