onsidered identical.</dd><dt><span class="strong">Since:</span></dt>
  <dd>3.3</dd></dl>
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<h4>IntervalsSet</h4>
<pre>public&nbsp;IntervalsSet(double&nbsp;lower,
            double&nbsp;upper,
            double&nbsp;tolerance)</pre>
<div class="block">Build an intervals set corresponding to a single interval.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>lower</code>