NAME

sqrt, cbrt − square root, cube root

SYNOPSIS

#include <math.h>

double sqrt(double x);

double cbrt(double x);

DESCRIPTION

sqrt(x) returns the square root of x, correctly rounded according to ANSI/IEEE 754-1985.  In addition, sqrt() may also set errno and call matherr(3M). 

cbrt(x) returns the cube root of x. cbrt() is accurate to within 0.7 ulps. 

SEE ALSO

matherr(3M)

SunOS 5.1/SPARC  —  Last change: 30 Apr 1992