Last change
on this file since 6152 was
6152,
checked in by bfarka, 13 years ago
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added ecj and custom statistics to communicate with the okb services #1441
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File size:
1.4 KB
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1 | /* |
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2 | Copyright 2006 by Sean Luke and George Mason University |
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3 | Licensed under the Academic Free License version 3.0 |
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4 | See the file "LICENSE" for more information |
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5 | */ |
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6 | |
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7 | package ec.spatial; |
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8 | |
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9 | import ec.*; |
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10 | import ec.util.*; |
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11 | import ec.coevolve.*; |
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12 | |
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13 | /* |
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14 | * SpatialMultiPopCoevolutionaryEvaluator.java |
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15 | * |
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16 | * By: Liviu Panait and Sean Luke |
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17 | */ |
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18 | |
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19 | /** |
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20 | * SpatialMultiPopCoevolutionaryEvaluator implements a coevolutionary evaluator involving multiple |
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21 | * spatially-embedded subpopulations. You ought to use it in conjuction with SpatialTournamentSelection |
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22 | * (for selecting current-generation individuals, set the tournament selection size to 1, which will |
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23 | * pick randomly from the space). |
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24 | * |
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25 | * @author Liviu Panait Sean Luke |
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26 | * @version 2.0 |
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27 | */ |
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28 | |
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29 | public class SpatialMultiPopCoevolutionaryEvaluator extends MultiPopCoevolutionaryEvaluator |
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30 | { |
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31 | protected Individual produce(SelectionMethod method, int subpopulation, int individual, EvolutionState state, int thread) |
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32 | { |
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33 | if (!(state.population.subpops[subpopulation] instanceof Space)) |
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34 | state.output.fatal("Subpopulation " + subpopulation + " is not a Space."); |
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35 | |
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36 | Space space = (Space)(state.population.subpops[subpopulation]); |
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37 | space.setIndex(thread, individual); |
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38 | |
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39 | return state.population.subpops[subpopulation].individuals[method.produce(subpopulation, state, thread)]; |
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40 | } |
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41 | } |
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