cbrt, cbrtf, cbrtl - cube root function
#include <math.h>
double cbrt(double x);
float cbrtf(float x);
long double cbrtl(long double x);
Link with -lm
.
Feature Test Macro Requirements for glibc (see feature_test_macros(7)):
These functions return the (real) cube root of x
. This function cannot fail; every representable real value has a representable real cube root.
These functions return the cube root of x
.
If x
is +0, -0, positive infinity, negative infinity, or NaN, x
is returned.