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source: branches/OKBJavaConnector/ECJClient/src/ec/app/tutorial1/MaxOnes.java @ 10216

Last change on this file since 10216 was 6152, checked in by bfarka, 14 years ago

added ecj and custom statistics to communicate with the okb services #1441

File size: 1.2 KB
Line 
1/*
2  Copyright 2006 by Sean Luke
3  Licensed under the Academic Free License version 3.0
4  See the file "LICENSE" for more information
5*/
6
7
8package ec.app.tutorial1;
9import ec.*;
10import ec.simple.*;
11import ec.vector.*;
12
13public class MaxOnes extends Problem implements SimpleProblemForm
14    {
15    public void evaluate(final EvolutionState state,
16        final Individual ind,
17        final int subpopulation,
18        final int threadnum)
19        {
20        if (ind.evaluated) return;
21
22        if (!(ind instanceof BitVectorIndividual))
23            state.output.fatal("Whoa!  It's not a BitVectorIndividual!!!",null);
24       
25        int sum=0;
26        BitVectorIndividual ind2 = (BitVectorIndividual)ind;
27       
28        for(int x=0; x<ind2.genome.length; x++)
29            sum += (ind2.genome[x] ? 1 : 0);
30       
31        if (!(ind2.fitness instanceof SimpleFitness))
32            state.output.fatal("Whoa!  It's not a SimpleFitness!!!",null);
33        ((SimpleFitness)ind2.fitness).setFitness(state,
34            /// ...the fitness...
35            (float)(((double)sum)/ind2.genome.length),
36            ///... is the individual ideal?  Indicate here...
37            sum == ind2.genome.length);
38        ind2.evaluated = true;
39        }
40    }
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