&gt;     FALSE     FALSE     FALSE     FALSE     FALSE     FALSE     FALSE     FALSE 
#&gt;            99999993  99999994  99999995  99999996  99999997  99999998  99999999 
#&gt;        ..     FALSE     FALSE     FALSE     FALSE     FALSE     FALSE     FALSE 
#&gt; 100000000 
#&gt;     FALSE
</code></pre>

<p>works as expected</p>

<pre><code class="r">summary(w1 &amp; w2)
#&gt;    FALSE     TRUE     Min.     Max. 
#&gt; 99999989       11       20       30
</code></pre>

<p>even mixing</p>

<pre><code class