X-Git-Url: http://gitweb.fperrin.net/?a=blobdiff_plain;f=tim%2Fprune%2Fdata%2FDoubleRange.java;h=3f252eed6cd2bcfe00bcdc272c2f1f82404dcbba;hb=326f489e36aa7f235bc19409a57bf4955cd50f24;hp=f241d4d13470eb1b5e1feb60cdab5d22b686d5b8;hpb=d3679d647d57c2ee7376ddbf6def2d5b23c04307;p=GpsPrune.git

diff --git a/tim/prune/data/DoubleRange.java b/tim/prune/data/DoubleRange.java
index f241d4d..3f252ee 100644
--- a/tim/prune/data/DoubleRange.java
+++ b/tim/prune/data/DoubleRange.java
@@ -10,6 +10,20 @@ public class DoubleRange
 	private double _min = 0.0, _max = 0.0;
 
 
+	/** Empty constructor, cleared to zeroes */
+	public DoubleRange() {}
+
+	/**
+	 * Constructor giving two initial values
+	 * @param inValue1 first value
+	 * @param inValue2 second value
+	 */
+	public DoubleRange(double inValue1, double inValue2)
+	{
+		addValue(inValue1);
+		addValue(inValue2);
+	}
+
 	/**
 	 * Clear for a new calculation
 	 */
@@ -31,6 +45,18 @@ public class DoubleRange
 		_empty = false;
 	}
 
+	/**
+	 * Combine this range with another one
+	 * @param inOtherRange other range to add to this one
+	 */
+	public void combine(DoubleRange inOtherRange)
+	{
+		if (inOtherRange != null && inOtherRange.getRange() > 1.0)
+		{
+			addValue(inOtherRange.getMinimum());
+			addValue(inOtherRange.getMaximum());
+		}
+	}
 
 	/**
 	 * @return true if data values were found
@@ -57,4 +83,30 @@ public class DoubleRange
 	{
 		return _max;
 	}
+
+	/**
+	 * @return range, as maximum - minimum
+	 */
+	public double getRange()
+	{
+		return _max - _min;
+	}
+
+	/**
+	 * @return mid value, halfway between min and max
+	 */
+	public double getMidValue()
+	{
+		return (_max + _min) / 2.0;
+	}
+
+	/**
+	 * Copy this range into a new object, which can then be modified without changing this one
+	 * @return deep copy of this object
+	 */
+	public DoubleRange copy()
+	{
+		if (_empty) return new DoubleRange();
+		return new DoubleRange(_min, _max);
+	}
 }