NAME

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

LIBRARY

Math Library (libm, -lm)

SYNOPSIS



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 ANSI X3.159-1989 (``ANSI C89'') .

HISTORY

The cbrt() function appeared in 4.3BSD.