of 3.3 replaced with <a href="../../../../../../../org/apache/commons/math3/geometry/euclidean/oned/IntervalsSet.html#IntervalsSet(double, double, double)"><code>IntervalsSet(double, double, double)</code></a></i></div>
<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> - lower bound of the interval, must be lesser or equal
 to <code>upper</code> (may be <code>Double.NEGATIVE_INFINITY</code>)</dd><dd>