sqrt(3) BSD Library Functions Manual sqrt(3)
NAME
sqrt -- square root function
SYNOPSIS
#include <math.h>
double
sqrt(double x);
long double
sqrtl(long double x);
float
sqrtf(float x);
DESCRIPTION
The sqrt() function compute the non-negative square root of x.
SPECIAL VALUES
sqrt(-0) returns -0.
sqrt(x) returns a NaN and generates a domain error for x < 0.
SEE ALSO
math(3)
STANDARDS
The sqrt() function conforms to ISO/IEC 9899:1999(E).
BSD December 11, 2006 BSD
Mac OS X 10.6 - Generated Thu Sep 17 20:22:59 CDT 2009