Flatten un-maintained ex. Sun/Oracle nlpsolver extension into the repo

This should make it easier to hack, and also to separate out the tangled in
third party EvolutionarySolver as/when we can.

3 files changed, 215 insertions, 0 deletions

diff --git a/nlpsolver/ThirdParty/EvolutionarySolver/src/net/adaptivebox/knowledge/ILibEngine.java b/nlpsolver/ThirdParty/EvolutionarySolver/src/net/adaptivebox/knowledge/ILibEngine.java
new file mode 100755
index 000000000000..741cba313495
--- /dev/null
+++ b/nlpsolver/ThirdParty/EvolutionarySolver/src/net/adaptivebox/knowledge/ILibEngine.java
@@ -0,0 +1,30 @@
+
+/**
+ * Description: set the library.
+ *
+ * @ Author        Create/Modi     Note
+ * Xiaofeng Xie    May 14, 2004
+ *
+ * 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.
+ *
+ * @version 1.1
+ * @Since MAOS1.0
+ */
+package net.adaptivebox.knowledge;
+
+public interface ILibEngine {
+  public void setLibrary(Library lib);
+}
+
+
+
diff --git a/nlpsolver/ThirdParty/EvolutionarySolver/src/net/adaptivebox/knowledge/Library.java b/nlpsolver/ThirdParty/EvolutionarySolver/src/net/adaptivebox/knowledge/Library.java
new file mode 100755
index 000000000000..eb2045765594
--- /dev/null
+++ b/nlpsolver/ThirdParty/EvolutionarySolver/src/net/adaptivebox/knowledge/Library.java
@@ -0,0 +1,106 @@
+
+/**
+ * Description: Contains a set of points.
+ *
+ * @ Author        Create/Modi     Note
+ * Xiaofeng Xie    Mar 7, 2003
+ * Xiaofeng Xie    May 3, 2003
+ * Xiaofeng Xie    May 11, 2004
+ *
+ * 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.
+ *
+ * @version 1.1
+ * @Since MAOS1.0
+ */
+package net.adaptivebox.knowledge;
+
+import net.adaptivebox.global.*;
+import net.adaptivebox.goodness.*;
+import net.adaptivebox.problem.*;
+
+public class Library {
+  private SearchPoint[] libPoints = new SearchPoint[0];
+  protected int gIndex = -1;
+
+  public Library(SearchPoint[] points){
+    this.libPoints = points;
+  }
+
+  public Library(int number, ProblemEncoder problemEncoder){
+    libPoints = new SearchPoint[number];
+    for (int i=0; i<number; i++) {
+      libPoints[i] = problemEncoder.getEncodedSearchPoint();
+    }
+  }
+
+  public SearchPoint getGbest() {
+    return getSelectedPoint(gIndex);
+  }
+
+  public void refreshGbest(IGoodnessCompareEngine qualityComparator) {
+    gIndex = tournamentSelection(qualityComparator, getPopSize()-1, true);
+  }
+
+  public int getPopSize() {
+    return libPoints.length;
+  }
+
+  public SearchPoint getSelectedPoint(int index) {
+    return libPoints[index];
+  }
+
+  public static boolean replace(IGoodnessCompareEngine comparator, SearchPoint outPoint, SearchPoint tobeReplacedPoint) {
+    boolean isBetter = false;
+    if(comparator.compare(outPoint.getEncodeInfo(), tobeReplacedPoint.getEncodeInfo())<IGoodnessCompareEngine.LARGER_THAN) {
+      tobeReplacedPoint.importPoint(outPoint);
+      isBetter = true;
+    }
+    return isBetter;
+  }
+
+  public int tournamentSelection(IGoodnessCompareEngine comparator, int times, boolean isBetter) {
+    int[] indices = RandomGenerator.randomSelection(getPopSize(), times);
+    int currentIndex = indices[0];
+    for (int i=1; i<indices.length; i++) {
+      int compareValue = comparator.compare(libPoints[indices[i]].getEncodeInfo(), libPoints[currentIndex].getEncodeInfo());
+      if (isBetter == (compareValue<IGoodnessCompareEngine.LARGER_THAN)) {
+        currentIndex = indices[i];
+      }
+    }
+    return currentIndex;
+  }
+
+  public double getExtremalVcon(boolean isMAX) {
+    double val=BasicBound.MINDOUBLE;
+    for(int i=0; i<libPoints.length; i++) {
+      if(libPoints[i].getEncodeInfo()[0]>val==isMAX) {
+        val = libPoints[i].getEncodeInfo()[0];
+      }
+    }
+    return val;
+  }
+
+  public int getVconThanNum(double allowedCons) {
+    int num=0;
+    for(int i=0; i<libPoints.length; i++) {
+      if(libPoints[i].getEncodeInfo()[0]<=allowedCons) {
+        num++;
+      }
+    }
+    return num;
+  }
+
+}
+
+
+
diff --git a/nlpsolver/ThirdParty/EvolutionarySolver/src/net/adaptivebox/knowledge/SearchPoint.java b/nlpsolver/ThirdParty/EvolutionarySolver/src/net/adaptivebox/knowledge/SearchPoint.java
new file mode 100755
index 000000000000..0085ff7e481e
--- /dev/null
+++ b/nlpsolver/ThirdParty/EvolutionarySolver/src/net/adaptivebox/knowledge/SearchPoint.java
@@ -0,0 +1,79 @@
+/**
+ * Description: provide the location and encoded goodness information
+ *
+ * @ Author        Create/Modi     Note
+ * Xiaofeng Xie    Mar 1, 2003
+ * Xiaofeng Xie    May 11, 2004
+ *
+ * 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.knowledge;
+
+import net.adaptivebox.global.*;
+import net.adaptivebox.space.*;
+import net.adaptivebox.encode.*;
+
+public class SearchPoint extends BasicPoint implements IEncodeEngine {
+  //store the encode information for goodness evaluation
+  //encodeInfo[0]: the sum of constraints (if it equals to 0, then be a feasible point)
+  //encodeInfo[1]: the value of objective function
+  private double[] encodeInfo = new double[2];
+  private double objectiveValue;
+
+  public SearchPoint(int dim) {
+    super(dim);
+    for(int i=0; i<encodeInfo.length; i++) {
+      encodeInfo[i] = BasicBound.MAXDOUBLE;
+    }
+  }
+
+  public double[] getEncodeInfo() {
+    return encodeInfo;
+  }
+
+  private void importEncodeInfo(double[] info) {
+    for(int i=0; i<encodeInfo.length; i++) {
+      encodeInfo[i] = info[i];
+    }
+  }
+
+  private void importEncodeInfo(IEncodeEngine point) {
+    importEncodeInfo(point.getEncodeInfo());
+  }
+
+  //Replace self by given point
+  public void importPoint(SearchPoint point) {
+    importLocation(point);
+    importEncodeInfo(point);
+    setObjectiveValue(point.getObjectiveValue());
+  }
+
+  public double getObjectiveValue() {
+      return objectiveValue;
+  }
+
+  public void setObjectiveValue(double objectiveValue) {
+      this.objectiveValue = objectiveValue;
+  }
+
+  public boolean isFeasible() {
+      return encodeInfo[0] == 0; //no constraint violations
+  }
+
+  public void outputSelf() {
+    System.out.println("#--> Location:");
+    OutputMethods.outputVector(getLocation());
+    System.out.println("#--> (CON & OPTIM):");
+    OutputMethods.outputVector(getEncodeInfo());
+  }
+}
\ No newline at end of file