CBRT(3) BSD Library Functions Manual CBRT(3)NAME
cbrt -- cube root function
SYNOPSIS
#include <math.h>
double
cbrt(double x);
long double
cbrtl(long double x);
float
cbrtf(float x);
DESCRIPTION
The cbrt() function computes the cube root of x.
SPECIAL VALUES
cbrt(+-0) returns +-0.
cbrt(+-infinity) returns +-infinity.
SEE ALSO math(3), sqrt(3)STANDARDS
The cbrt() function conforms to ISO/IEC 9899:2011.
BSD December 11, 2006 BSD
Check Out this Related Man Page
SQRT(3) BSD Library Functions Manual SQRT(3)NAME
cbrt, cbrtf, cbrtl, sqrt, sqrtf, sqrtl -- cube root and square root functions
LIBRARY
Math Library (libm, -lm)
SYNOPSIS
#include <math.h>
double
cbrt(double x);
float
cbrtf(float x);
long double
cbrtl(long double x);
double
sqrt(double x);
float
sqrtf(float x);
long double
sqrtl(long double x);
DESCRIPTION
The cbrt(), cbrtf(), and cbrtl() functions compute the cube root of x.
The sqrt(), sqrtf(), and sqrtl() functions compute the non-negative square root of x.
RETURN VALUES
The cbrt(), cbrtf(), and cbrtl() functions return the requested cube root. The sqrt(), sqrtf(), and sqrtl() functions return the requested
square root unless an error occurs. An attempt to take the sqrt() of negative x raises an invalid exception and causes an NaN to be returned
(except that the square root of -0 is valid and equal to -0.)
SEE ALSO fenv(3), math(3)STANDARDS
The cbrt(), cbrtf(), cbrtl(), sqrt(), sqrtf(), and sqrtl() functions conform to ISO/IEC 9899:1999 (``ISO C99'').
HISTORY
The cbrt() function appeared in 4.3BSD. The sqrtl() function appeared in FreeBSD 8.0. The cbrtl() function appeared in FreeBSD 9.0.
BSD March 5, 2011 BSD
Manufacturer Links
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In-depth information from IBM:
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