 conditions:</span>
<span class="keyword">template</span> <span class="special">&lt;</span><span class="keyword">class</span> <span class="identifier">T</span><span class="special">&gt;</span>
<span class="keyword">struct</span> <span class="identifier">eps_tolerance</span><span class="special">;</span>

<span class="keyword">struct</span> <span class="identifier">equal_floor</span><span class="special">;</span>
<span class="keyword">struct</span> <span class="identifier">equal_ceil</span><span class="speci