SQRT(3)

NAME
cbrt, cbrtf, sqrt, sqrtf - cube root and square root functions

LIBRARY
libm

SYNOPSIS
#include <math.h>
double
cbrt(double x);
float
cbrtf(float x);
double
sqrt(double x);
float
sqrtf(float x);

DESCRIPTION
The cbrt() and cbrtf() functions compute the cube root of x.

The sqrt() and sqrtf() functions compute the non-negative square root of x.

RETURN VALUES
If x is negative, sqrt(x) and sqrtf(x) set the global variable errno to EDOM.

SEE ALSO
math(3)

STANDARDS
The sqrt() function conforms to ansiC.

HISTORY
The cbrt() function appeared in 4.3BSD.