diff options
Diffstat (limited to 'src/jcgp/backend/modules/problem/DigitalCircuitProblem.java')
| -rw-r--r-- | src/jcgp/backend/modules/problem/DigitalCircuitProblem.java | 20 |
1 files changed, 7 insertions, 13 deletions
diff --git a/src/jcgp/backend/modules/problem/DigitalCircuitProblem.java b/src/jcgp/backend/modules/problem/DigitalCircuitProblem.java index 3c30e4c..099f527 100644 --- a/src/jcgp/backend/modules/problem/DigitalCircuitProblem.java +++ b/src/jcgp/backend/modules/problem/DigitalCircuitProblem.java @@ -1,6 +1,6 @@ package jcgp.backend.modules.problem; -import jcgp.backend.function.BitwiseLogic; +import jcgp.backend.function.DigitalCircuitFunctions; import jcgp.backend.function.UnsignedInteger; import jcgp.backend.population.Chromosome; import jcgp.backend.population.Population; @@ -10,14 +10,13 @@ public class DigitalCircuitProblem extends TestCaseProblem<UnsignedInteger> { public DigitalCircuitProblem(Resources resources) { super(resources); - functionSet = new BitwiseLogic(); + functionSet = new DigitalCircuitFunctions(); + setProblemName("Symbolic regression"); + setFileExtension(".plu"); } @Override public void evaluate(Population population, Resources resources) { - // set fittest to 0, change it whenever a fitter one is found - population.setFittest(0); - // for every chromosome in the population for (int i = 0; i < resources.populationSize(); i++) { // assume an initial fitness of 0 @@ -42,10 +41,10 @@ public class DigitalCircuitProblem extends TestCaseProblem<UnsignedInteger> { // assign the resulting fitness to the respective individual population.getChromosome(i).setFitness(fitness); - if (fitness >= population.getFittest().getFitness()) { - population.setFittest(i); - } } + + // sort population + population.sortAscending(); } @Override @@ -77,9 +76,4 @@ public class DigitalCircuitProblem extends TestCaseProblem<UnsignedInteger> { public boolean isPerfectSolution(Chromosome fittest) { return fittest.getFitness() >= maxFitness.get(); } - - @Override - public String getFileExtension() { - return ".plu"; - } } |