sqrt

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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)
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