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Diffstat (limited to 'nlpsolver/ThirdParty/EvolutionarySolver/src/net/adaptivebox/knowledge/SearchPoint.java')
-rw-r--r-- | nlpsolver/ThirdParty/EvolutionarySolver/src/net/adaptivebox/knowledge/SearchPoint.java | 70 |
1 files changed, 70 insertions, 0 deletions
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 100644 index 000000000..df13efc74 --- /dev/null +++ b/nlpsolver/ThirdParty/EvolutionarySolver/src/net/adaptivebox/knowledge/SearchPoint.java @@ -0,0 +1,70 @@ +/** + * 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.encode.IEncodeEngine; +import net.adaptivebox.global.BasicBound; +import net.adaptivebox.space.BasicPoint; + +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 final 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) { + System.arraycopy(info, 0, encodeInfo, 0, encodeInfo.length); + } + + 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 + } +} |