>
            <code><span class="keyword">open</span> <span class="keyword">var </span><span
                    class="identifier">ascent</span><span class="symbol">: </span><span
                    class="identifier">Float</span></code></td>
    </tr>
    <tr>
        <td>
            <a href="descent.html">descent</a></td>
        <td>
            <code><span class="keyword">open</span> <span class="keyword">var </span><span
                    class="identifier">descent</span><span class="symbol">: </s