sqrt (3)





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)

                                  1993-06-21                           sqrt(3)