Code Duplication    Length = 3-3 lines in 2 locations

src/Histogram/Histogram4D.php 2 locations

@@ 80-82 (lines=3) @@
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        list($xMin, $xMax) = $this->_getMinMax('x');
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        list($yMin, $yMax) = $this->_getMinMax('y');
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        list($zMin, $zMax) = $this->_getMinMax('z');
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        if (is_null($this->_rangeLow)) {
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            $this->_rangeLow = array('x' => $xMin, 'y' => $yMin, 'z' => $zMin);
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        }
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        if (is_null($this->_rangeHigh)) {
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            $this->_rangeHigh = array('x' => $xMax, 'y' => $yMax, 'z' => $zMax);
@@ 84-86 (lines=3) @@
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            $this->_rangeLow = array('x' => $xMin, 'y' => $yMin, 'z' => $zMin);
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        }
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        if (is_null($this->_rangeHigh)) {
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            $this->_rangeHigh = array('x' => $xMax, 'y' => $yMax, 'z' => $zMax);
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        }
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        if (is_null($this->_nbins)) {
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            $this->_nbins = array('x' => 10, 'y' => 10, 'z' => 10);