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CentOS 7.0 - man page for cbrt (centos section 3)

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

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(): _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. If x is +0, -0, positive infinity, negative infinity, or NaN, x is returned.
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 informa- tion about reporting bugs, can be found at http://www.kernel.org/doc/man-pages/.
GNU
2010-09-20 CBRT(3)


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