Ruby 3.5.0dev (2025-06-27 revision fe9a3be2966b0e54b93e9349bf47d4e5b879a6e1)
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