CBRT(3) Linux Programmer's Manual CBRT(3) NAME cbrt - cube root function SYNOPSIS #include <math.h> double cbrt(double x); DESCRIPTION The cbrt() function returns the cube root of x. This function cannot fail; every representable real value has a representable real cube root. CONFORMING TO cbrt is a GNU extension. SEE ALSO sqrt(3), pow(3) 1995-09-16 CBRT(3)