cbrt
Section: C Library Functions (3)
Updated: 2023-02-05
Index
Return to Main Contents
NAME
cbrt, cbrtf, cbrtl - cube root function
LIBRARY
Math library
(libm, -lm)
SYNOPSIS
#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)):
cbrt():
_ISOC99_SOURCE || _POSIX_C_SOURCE >= 200112L
|| _XOPEN_SOURCE >= 500
|| /* Since glibc 2.19: */ _DEFAULT_SOURCE
|| /* glibc <= 2.19: */ _BSD_SOURCE || _SVID_SOURCE
cbrtf(),
cbrtl():
_ISOC99_SOURCE || _POSIX_C_SOURCE >= 200112L
|| /* Since glibc 2.19: */ _DEFAULT_SOURCE
|| /* glibc <= 2.19: */ _BSD_SOURCE || _SVID_SOURCE
DESCRIPTION
These functions return 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.
ATTRIBUTES
For an explanation of the terms used in this section, see
attributes(7).
Interface | Attribute | Value
|
cbrt(),
cbrtf(),
cbrtl()
| Thread safety | MT-Safe
|
STANDARDS
C99, POSIX.1-2001, POSIX.1-2008.
SEE ALSO
pow(3),
sqrt(3)
Index
- NAME
-
- LIBRARY
-
- SYNOPSIS
-
- DESCRIPTION
-
- RETURN VALUE
-
- ERRORS
-
- ATTRIBUTES
-
- STANDARDS
-
- SEE ALSO
-
This document was created by
man2html,
using the manual pages.
Time: 12:05:45 GMT, April 19, 2024