>
                </td>
</tr></tbody>
</table></div>
<h6>
<a name="geometry.reference.cs.cs_spherical.h3"></a>
          <span class="phrase"><a name="geometry.reference.cs.cs_spherical.header"></a></span><a class="link" href="cs_spherical.html#geometry.reference.cs.cs_spherical.header">Header</a>
        </h6>
<p>
          Either
        </p>
<p>
          <code class="computeroutput"><span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span cla