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cbrtl (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(), cbrtf(), cbrtl(): _BSD_SOURCE || _SVID_SOURCE ||
_XOPEN_SOURCE >= 500 || _ISOC99_SOURCE; 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.
CONFORMING TO
C99
SEE ALSO
pow(3), sqrt(3)
GNU 2007-07-26 CBRT(3)
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