cbrt

Sommaire

NAME

cbrt, cbrtf, cbrtl - cube root function

SYNOPSIS

 #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)):

cbrt(), cbrtf(), cbrtl(): _BSD_SOURCE || _SVID_SOURCE || _XOPEN_SOURCE >= 500 || _ISOC99_SOURCE; or cc -std=c99

DESCRIPTION

The cbrt() function returns the (real) cube root of x. This function cannot fail; every representable real value has a representable real cube root.

CONFORMING TO

C99

SEE ALSO

pow(3), sqrt(3)