SQRT(3) BSD Library Functions Manual SQRT(3)
NAME
cbrt, cbrtf, sqrt, sqrtf -- cube root and square root functions
LIBRARY
Math Library (libm, -lm)
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 ANSI X3.159-1989 (``ANSI C89'').
HISTORY
The cbrt() function appeared in 4.3BSD.
BSD
May 6, 1991 BSD
