diff options
Diffstat (limited to 'jni/ruby/missing/cbrt.c')
-rw-r--r-- | jni/ruby/missing/cbrt.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/jni/ruby/missing/cbrt.c b/jni/ruby/missing/cbrt.c new file mode 100644 index 0000000..1bcbc63 --- /dev/null +++ b/jni/ruby/missing/cbrt.c @@ -0,0 +1,11 @@ +#include "ruby/missing.h" +#include <math.h> + +double cbrt(double x) +{ + if (x < 0) + return -pow(-x, 1/3.0); + else + return pow(x, 1/3.0); +} + |