SQRT

NAME
SYNOPSIS
DESCRIPTION
ERRORS
CONFORMING TO
SEE ALSO

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)