CBRT, CBRTF, CBRTL - reference manual online

Cube root function.

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_SOURCE >= 200112L; or cc -std=c99
DESCRIPTION These functions return the (real) cube root of x. This function cannot fail; every repre‐ sentable 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.
ATTRIBUTES For an explanation of the terms used in this section, see attributes(7). ┌─────────────────────────┬───────────────┬─────────┐ │Interface │ Attribute │ Value │ ├─────────────────────────┼───────────────┼─────────┤ │cbrt(), cbrtf(), cbrtl() │ Thread safety │ MT-Safe │ └─────────────────────────┴───────────────┴─────────┘
CONFORMING TO C99, POSIX.1-2001, POSIX.1-2008.
SEE ALSO pow(3), sqrt(3)
COLOPHON This page is part of release 4.04 of the Linux man-pages project. A description of the project, information about reporting bugs, and the latest version of this page, can be found at
GNU 2015-04-19 CBRT(3)
This manual Reference Other manuals
cbrt(3) referred by exp(3) | exp10(3) | exp2(3) | log(3) | log10(3) | log2(3) | pow(3) | sqrt(3)
refer to attributes(7) | feature_test_macros(7) | pow(3) | sqrt(3)