Originální popis anglicky:
cbrt, cbrtf, cbrtl - cube root function
Návod, kniha: Linux Programmer's Manual
#include <math.h>
double cbrt(double x);
float cbrtf(float x);
long double cbrtl(long double x);
Link with -lm.
The
cbrt() function returns the (real) cube root of
x. This
function cannot fail; every representable real value has a representable real
cube root.
cbrt() was a GNU extension. It is now a C99 requirement.
pow(3),
sqrt(3)
