n class="identifier">x</span><span class="special">*</span><span class="identifier">x</span>
      <span class="special">+</span> <span class="identifier">y</span><span class="special">*</span><span class="identifier">y</span><span class="special">)</span></code>
      without the danger of numeric overflow implied by that formulation.
    </p>
<p>
      See also <a class="link" href="powers/hypot.html" title="hypot">hypot</a> for the full
      template (header only) version of this function.
    </p>
<pre