new widgets

src/main/java/org/solovyev/common/math/LinearNormalizer.java

@@ -0,0 +1,36 @@
+/*
+ * Copyright (c) 2009-2011. Created by serso aka se.solovyev.
+ * For more information, please, contact se.solovyev@gmail.com
+ * or visit http://se.solovyev.org
+ */
+
+package org.solovyev.common.math;
+
+/**
+* User: serso
+* Date: 9/19/11
+* Time: 9:31 PM
+*/
+public class LinearNormalizer {
+
+	private final double min;
+	private final double max;
+
+	public LinearNormalizer(double min, double max) {
+		this.min = min;
+		this.max = max;
+	}
+
+	public double normalize(double value){
+		if ((max - min) != 0d) {
+			return (value - min) / (max - min);
+		} else {
+			return 1d;
+		}
+	}
+
+	public double denormalize(double value){
+		return min + value * (max - min);
+	}
+
+}