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sqrt

SQRT(3)                    Linux Programmer's Manual                   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)