SQRT
Section: Linux Programmer's Manual (3)
Updated: June 21, 1993
NAME
sqrt - square root function
SYNOPSIS
#include <math.h>
double sqrt(double x);
DESCRIPTION
The sqrt() function returns the non-negative square root of x.
It fails and sets errno to EDOM, if x is negative.
ERRORS
- EDOM
-
x is negative.
CONFORMING TO
SVID 3, POSIX, BSD 4.3, ISO 9899
SEE ALSO
hypot(3)