r">tolerance</span><span class="special">)</span>

<span class="comment">//</span>
<span class="comment">// These interfaces are present for legacy reasons, and are now deprecated:</span>
<span class="comment">//</span>
<span class="keyword">template</span> <span class="special">&lt;</span><span class="keyword">class</span> <span class="identifier">Gen</span><span class="special">&gt;</span>
<span class="keyword">typename</span> <span class="identifier">detail</span><span class="special">::</span><span clas