Ruby 3.3.2p78 (2024-05-30 revision e5a195edf62fe1bf7146a191da13fa1c4fecbd71)
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