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CBRT(3)                    Linux Programmer's Manual                   CBRT(3)



NAME
       cbrt, cbrtf, cbrtl - cube root function

SYNOPSIS
       #include <&lt;math.h>&gt;

       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)

COLOPHON
       This page is part of release 3.05 of the Linux  man-pages  project.   A
       description  of  the project, and information about reporting bugs, can
       be found at http://www.kernel.org/doc/man-pages/.



GNU                               2007-07-26                           CBRT(3)