cbrt - Online Linux Manual PageSection : 3
Updated : 2023-02-05
Source : Linux man-pages 6.03
NAMEcbrt, cbrtf, cbrtl − cube root function
LIBRARYMath 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_SOURCEcbrtf(), cbrtl(): _ISOC99_SOURCE || _POSIX_C_SOURCE >= 200112L
|| /* Since glibc 2.19: */ _DEFAULT_SOURCE
|| /* glibc <= 2.19: */ _BSD_SOURCE || _SVID_SOURCE
DESCRIPTIONThese functions return the (real) cube root of x. This function cannot fail; every representable real value has a representable real cube root.
RETURN VALUEThese functions return the cube root of x. If x is +0, −0, positive infinity, negative infinity, or NaN, x is returned.
ERRORSNo errors occur.
ATTRIBUTESFor an explanation of the terms used in this section, see attributes(7). InterfaceAttributeValue cbrt(), cbrtf(), cbrtl() Thread safetyMT-Safe
STANDARDSC99, POSIX.1-2001, POSIX.1-2008.
SEE ALSOpow(3), sqrt(3) 0
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Online Linux Manual Page : Version : Online Linux Manual Page - Fedora.40 - march=x86-64 - mtune=generic - 24.12.05
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