summaryrefslogtreecommitdiffstats
path: root/nlpsolver/ThirdParty/EvolutionarySolver/src/net/adaptivebox/global/BasicBound.java
diff options
context:
space:
mode:
Diffstat (limited to 'nlpsolver/ThirdParty/EvolutionarySolver/src/net/adaptivebox/global/BasicBound.java')
-rw-r--r--nlpsolver/ThirdParty/EvolutionarySolver/src/net/adaptivebox/global/BasicBound.java64
1 files changed, 64 insertions, 0 deletions
diff --git a/nlpsolver/ThirdParty/EvolutionarySolver/src/net/adaptivebox/global/BasicBound.java b/nlpsolver/ThirdParty/EvolutionarySolver/src/net/adaptivebox/global/BasicBound.java
new file mode 100644
index 000000000..6ed1089d9
--- /dev/null
+++ b/nlpsolver/ThirdParty/EvolutionarySolver/src/net/adaptivebox/global/BasicBound.java
@@ -0,0 +1,64 @@
+/**
+ * Description: provide a bound, and the corresponding operations
+ *
+ * Author Create/Modi Note
+ * Xiaofeng Xie Oct. 9, 2002
+ *
+ * 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.global;
+
+public class BasicBound {
+ public static final double MINDOUBLE = -1e308;
+ public static final double MAXDOUBLE = 1e308;
+
+ public double minValue = MINDOUBLE;
+ public double maxValue = MAXDOUBLE;
+
+ public BasicBound() {
+ }
+
+ public BasicBound(double min, double max) {
+ minValue = Math.min(min, max);
+ maxValue = Math.max(min, max);
+ }
+
+ public double getLength() {
+ return Math.abs(maxValue - minValue);
+ }
+
+ public double boundAdjust(double value) {
+ if (value > maxValue) {
+ value = maxValue;
+ } else if (value < minValue) {
+ value = minValue;
+ }
+ return value;
+ }
+
+ public double annulusAdjust(double value) {
+ if (value > maxValue) {
+ double extendsLen = (value - maxValue) % getLength();
+ value = minValue + extendsLen;
+ } else if (value < minValue) {
+ double extendsLen = (minValue - value) % getLength();
+ value = maxValue - extendsLen;
+ }
+ return value;
+ }
+
+ public double getRandomValue() {
+ return RandomGenerator.doubleRangeRandom(minValue, maxValue);
+ }
+}