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+/**
+ * Description: provide the information for goodness evaluation of a target
+ *
+ * Author Create/Modi Note
+ * Xiaofeng Xie Mar 1, 2003
+ * Xiaofeng Xie May 3, 2004 Add grain value
+ * Xiaofeng Xie May 11, 2004 Add crowd distance
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * Please acknowledge the author(s) if you use this code in any way.
+ */
+
+package net.adaptivebox.space;
+
+import net.adaptivebox.global.BasicBound;
+
+public class DesignDim {
+ // To discrete space with the given step. For example, for an integer variable,
+ // The grain value can be set as 1.
+ public double grain = 0;
+ public BasicBound paramBound = new BasicBound(); // the range of a parameter
+
+ public boolean isDiscrete() {
+ return grain != 0;
+ }
+
+ public double getGrainedValue(double value) {
+ if (grain == 0) {
+ return value;
+ } else if (grain > 0) {
+ return paramBound.minValue + Math.rint((value - paramBound.minValue) / grain) * grain;
+ } else {
+ return paramBound.maxValue - Math.rint((paramBound.maxValue - value) / grain) * grain;
+ }
+ }
+}