identifier">h1</span><span class="special">,</span> <span class="identifier">T</span> <span class="keyword">const</span> <span class="special">&amp;</span> <span class="identifier">h2</span><span class="special">);</span>
</pre>
<p>
        These build quaternions in a way similar to the way polar builds complex
        numbers, as there is no strict equivalent to polar coordinates for quaternions.
      </p>
<p>
        <a name="boost_quaternions.quaternions.creation_spherical"></a> <code class="computerou