diff options
Diffstat (limited to 'nlpsolver/ThirdParty/EvolutionarySolver/src/net/adaptivebox/encode')
3 files changed, 148 insertions, 0 deletions
diff --git a/nlpsolver/ThirdParty/EvolutionarySolver/src/net/adaptivebox/encode/EvalElement.java b/nlpsolver/ThirdParty/EvolutionarySolver/src/net/adaptivebox/encode/EvalElement.java new file mode 100644 index 000000000..85e50c9f9 --- /dev/null +++ b/nlpsolver/ThirdParty/EvolutionarySolver/src/net/adaptivebox/encode/EvalElement.java @@ -0,0 +1,68 @@ +/** + * Description: provide the information for evaluating of a response (target) + * + * 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.encode; + +import net.adaptivebox.global.BasicBound; + +public class EvalElement { + + // The weight for each response (target) + private static final double weight = 1; + /** + * The expected range of the response value, forms the following objective: + * + * <pre> + * NO minValue maxValue : THE ELEMENT OF BasicBound + * 1 MINDOUBLE, MINDOUBLE: the minimize objective + * 2 MAXDOUBLE, MAXDOUBLE: the maximize objective + * 3 MINDOUBLE, v : the less than constraint {@literal (<v)} + * 4 v , MAXDOUBLE: the larger than constraint {@literal (>v)} + * 5 v1 , v2 : the region constraint, i.e. belongs to [v1, v2] + * + * OPTIM type: the No.1 and No.2 + * CONS type: the last three + * </pre> + */ + public BasicBound targetBound = new BasicBound(); + + public boolean isOptType() { + return ((targetBound.minValue == BasicBound.MINDOUBLE && targetBound.maxValue == BasicBound.MINDOUBLE) + || (targetBound.minValue == BasicBound.MAXDOUBLE && targetBound.maxValue == BasicBound.MAXDOUBLE)); + } + + public double evaluateCONS(double targetValue) { + if (targetValue < targetBound.minValue) { + return weight * (targetBound.minValue - targetValue); + } + if (targetValue > targetBound.maxValue) { + return weight * (targetValue - targetBound.maxValue); + } + return 0; + } + + public double evaluateOPTIM(double targetValue) { + if (targetBound.maxValue == BasicBound.MINDOUBLE) { // min mode + return weight * targetValue; + } else { // max + return -weight * targetValue; + } + } +} 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]); + } + } + } +} diff --git a/nlpsolver/ThirdParty/EvolutionarySolver/src/net/adaptivebox/encode/IEncodeEngine.java b/nlpsolver/ThirdParty/EvolutionarySolver/src/net/adaptivebox/encode/IEncodeEngine.java new file mode 100644 index 000000000..56f791c41 --- /dev/null +++ b/nlpsolver/ThirdParty/EvolutionarySolver/src/net/adaptivebox/encode/IEncodeEngine.java @@ -0,0 +1,24 @@ +/** + * Description: provide the encoded information for objectives + * + * Author Create/Modi Note + * Xiaofeng Xie Feb 10, 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.encode; + +public interface IEncodeEngine { + double[] getEncodeInfo(); +} |