CBRT(3) | Linux Programmer's Manual | CBRT(3) |
NAME
cbrt, cbrtf, cbrtl - cube root functionSYNOPSIS
#include<math.h>
double cbrt(double x );
float cbrtf(float x );
long double cbrtl(long double x );
Feature Test Macro Requirements for glibc (see feature_test_macros(7)):
_BSD_SOURCE || _SVID_SOURCE || _XOPEN_SOURCE >= 500 || _XOPEN_SOURCE && _XOPEN_SOURCE_EXTENDED || _ISOC99_SOURCE || _POSIX_C_SOURCE >= 200112L;
or
cc -std=c99
cbrtf(),
cbrtl():
_BSD_SOURCE || _SVID_SOURCE || _XOPEN_SOURCE >= 600 || _ISOC99_SOURCE || _POSIX_C_SOUCE >= 200112L;
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.RETURN VALUE
These functions return the cube root of x.ERRORS
No errors occur.CONFORMING TO
C99, POSIX.1-2001.SEE ALSO
pow(3), sqrt(3)COLOPHON
This page is part of release 3.53 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/.2010-09-20 | GNU |