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Diffstat (limited to 'nlpsolver/ThirdParty/EvolutionarySolver/src/net/adaptivebox/encode/EvalStruct.java')
-rw-r--r-- | nlpsolver/ThirdParty/EvolutionarySolver/src/net/adaptivebox/encode/EvalStruct.java | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/nlpsolver/ThirdParty/EvolutionarySolver/src/net/adaptivebox/encode/EvalStruct.java b/nlpsolver/ThirdParty/EvolutionarySolver/src/net/adaptivebox/encode/EvalStruct.java new file mode 100644 index 000000000..db37ddb39 --- /dev/null +++ b/nlpsolver/ThirdParty/EvolutionarySolver/src/net/adaptivebox/encode/EvalStruct.java @@ -0,0 +1,56 @@ +/** + * Description: provide the information for evaluating a set of targets values + * into encoded information (For formation the goodness landscape by comparing) + * + * 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. + * + * @References: + * [1] Deb K. An efficient constraint handling method for genetic algorithms. + * Computer Methods in Applied Mechanics and Engineering, 2000, 186(2-4): 311-338 + */ + +package net.adaptivebox.encode; + +public class EvalStruct { + // The information for evaluating all the responses + private EvalElement[] evalElems = null; + + public EvalStruct(int elemsNum) { + evalElems = new EvalElement[elemsNum]; + } + + public void setElemAt(EvalElement dim, int index) { + evalElems[index] = dim; + } + + // convert response values into encoded information double[2] + public void evaluate(double[] evalRes, double[] targetValues) { + evalRes[0] = evalRes[1] = 0; + for (int i = 0; i < evalElems.length; i++) { + if (evalElems[i].isOptType()) { + // The objectives (OPTIM type) + // The multi-objective will be translated into single-objective + evalRes[1] += evalElems[i].evaluateOPTIM(targetValues[i]); + } else { + // The constraints (CONS type) + // If evalRes[0] equals to 0, then be a feasible point, i.e. satisfies + // all the constraints + evalRes[0] += evalElems[i].evaluateCONS(targetValues[i]); + } + } + } +} |