reference/C/MAN/sqrt.htm


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<TITLE>sqrt</TITLE>
<body bgcolor="#ffffcc">
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<pre>


<h3>SQRT(3)             Linux Programmer's Manual             SQRT(3)
</h3>

<h3>NAME
</h3>       sqrt - square root function

<h3>SYNOPSIS
</h3>       #include &lt;math.h&gt;

       double sqrt(double x);

<h3>DESCRIPTION
</h3>       The  sqrt()  function returns the non-negative square root
       of x.  It fails and sets errno to EDOM, if x is  negative.

<h3>ERRORS
</h3>       EDOM   x is negative.

<h3>CONFORMING TO
</h3>       SVID 3, POSIX, BSD 4.3, ISO 9899

</pre>
<hr>
<h3>SEE ALSO
</h3><p>
<a href=hypot.htm>hypot</a>, 
<pre>


                          June 21, 1993                         1


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