class="col-md-4"> <var>x</var> <samp>&gt;&gt;</samp> <var>y</var></dt><dd class="col-md-8"> right shift</dd>
<dt class="col-md-4"> <var>x</var> <samp>&lt;</samp> <var>y</var></dt><dd class="col-md-8"> boolean relation, return value 1.0 if <var>x</var> &lt; <var>y</var>,  otherwise 0.0</dd>
<dt class="col-md-4"> <var>x</var> <samp>&lt;=</samp> <var>y</var></dt><dd class="col-md-8"> boolean relation, return value 1.0 if <var>x</var> &lt;= <var>y</var>,  otherwise 0.0</dd>
<dt class="col-md-4"> <var>x</var> <s