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-rw-r--r--src/jcgp/backend/modules/Module.java4
-rw-r--r--src/jcgp/backend/modules/ModuleStatus.java16
-rw-r--r--src/jcgp/backend/modules/ea/EvolutionaryAlgorithm.java2
-rw-r--r--src/jcgp/backend/modules/ea/MuPlusLambda.java20
-rw-r--r--src/jcgp/backend/modules/ea/TournamentSelection.java12
-rw-r--r--src/jcgp/backend/modules/fitness/FitnessFunction.java2
-rw-r--r--src/jcgp/backend/modules/fitness/TestCase.java29
-rw-r--r--src/jcgp/backend/modules/fitness/TestCaseEvaluator.java43
-rw-r--r--src/jcgp/backend/modules/fitness/testcase/TestCaseEvaluator.java75
-rw-r--r--src/jcgp/backend/modules/mutator/Mutator.java2
-rw-r--r--src/jcgp/backend/modules/mutator/PointMutator.java40
11 files changed, 105 insertions, 140 deletions
diff --git a/src/jcgp/backend/modules/Module.java b/src/jcgp/backend/modules/Module.java
index 82c3d80..f2b91b0 100644
--- a/src/jcgp/backend/modules/Module.java
+++ b/src/jcgp/backend/modules/Module.java
@@ -1,11 +1,9 @@
package jcgp.backend.modules;
-import jcgp.JCGP.Resources;
-import jcgp.backend.parameters.Parameter;
+import jcgp.backend.resources.parameters.Parameter;
public interface Module {
public Parameter[] getLocalParameters();
- public ModuleStatus getStatus(Resources resources);
}
diff --git a/src/jcgp/backend/modules/ModuleStatus.java b/src/jcgp/backend/modules/ModuleStatus.java
deleted file mode 100644
index fec8490..0000000
--- a/src/jcgp/backend/modules/ModuleStatus.java
+++ /dev/null
@@ -1,16 +0,0 @@
-package jcgp.backend.modules;
-
-public enum ModuleStatus {
- ERROR, WARNING, READY;
-
- private String details;
-
- public void setDetails(String details) {
- this.details = details;
- }
-
- public String getDetails() {
- return details;
- }
-
-}
diff --git a/src/jcgp/backend/modules/ea/EvolutionaryAlgorithm.java b/src/jcgp/backend/modules/ea/EvolutionaryAlgorithm.java
index 7719111..3aca104 100644
--- a/src/jcgp/backend/modules/ea/EvolutionaryAlgorithm.java
+++ b/src/jcgp/backend/modules/ea/EvolutionaryAlgorithm.java
@@ -1,9 +1,9 @@
package jcgp.backend.modules.ea;
-import jcgp.JCGP.Resources;
import jcgp.backend.modules.Module;
import jcgp.backend.modules.mutator.Mutator;
import jcgp.backend.population.Population;
+import jcgp.backend.resources.Resources;
public interface EvolutionaryAlgorithm extends Module {
diff --git a/src/jcgp/backend/modules/ea/MuPlusLambda.java b/src/jcgp/backend/modules/ea/MuPlusLambda.java
index ad8c5d8..0d16111 100644
--- a/src/jcgp/backend/modules/ea/MuPlusLambda.java
+++ b/src/jcgp/backend/modules/ea/MuPlusLambda.java
@@ -1,13 +1,12 @@
package jcgp.backend.modules.ea;
-import jcgp.JCGP.Resources;
-import jcgp.backend.modules.ModuleStatus;
import jcgp.backend.modules.mutator.Mutator;
-import jcgp.backend.parameters.BooleanParameter;
-import jcgp.backend.parameters.IntegerParameter;
-import jcgp.backend.parameters.Parameter;
-import jcgp.backend.parameters.ParameterStatus;
import jcgp.backend.population.Population;
+import jcgp.backend.resources.Resources;
+import jcgp.backend.resources.parameters.BooleanParameter;
+import jcgp.backend.resources.parameters.IntegerParameter;
+import jcgp.backend.resources.parameters.Parameter;
+import jcgp.backend.resources.parameters.ParameterStatus;
/**
* (μ + λ) EA.
@@ -62,8 +61,7 @@ public class MuPlusLambda implements EvolutionaryAlgorithm {
@Override
public void evolve(Population population, Mutator mutator, Resources resources) {
- // TODO actually use parents and offspring
- // select fittest chromosome
+ // select fittest chromosomes
fittestChromosome = 0;
for (int i = 1; i < resources.getInt("popSize"); i++) {
@@ -79,6 +77,7 @@ public class MuPlusLambda implements EvolutionaryAlgorithm {
mutator.mutate(population.getChromosome(i), resources);
}
}
+
}
@Override
@@ -95,10 +94,5 @@ public class MuPlusLambda implements EvolutionaryAlgorithm {
public String toString() {
return "(μ + λ)";
}
-
- @Override
- public ModuleStatus getStatus(Resources resources) {
- return ModuleStatus.READY;
- }
}
diff --git a/src/jcgp/backend/modules/ea/TournamentSelection.java b/src/jcgp/backend/modules/ea/TournamentSelection.java
index 32ac54d..baf6704 100644
--- a/src/jcgp/backend/modules/ea/TournamentSelection.java
+++ b/src/jcgp/backend/modules/ea/TournamentSelection.java
@@ -2,12 +2,11 @@ package jcgp.backend.modules.ea;
import java.util.HashMap;
-import jcgp.JCGP.Resources;
-import jcgp.backend.modules.ModuleStatus;
import jcgp.backend.modules.mutator.Mutator;
-import jcgp.backend.parameters.IntegerParameter;
-import jcgp.backend.parameters.Parameter;
import jcgp.backend.population.Population;
+import jcgp.backend.resources.Resources;
+import jcgp.backend.resources.parameters.IntegerParameter;
+import jcgp.backend.resources.parameters.Parameter;
public class TournamentSelection implements EvolutionaryAlgorithm {
@@ -51,9 +50,4 @@ public class TournamentSelection implements EvolutionaryAlgorithm {
public String toString() {
return "Tournament";
}
-
- @Override
- public ModuleStatus getStatus(Resources resources) {
- return null;
- }
}
diff --git a/src/jcgp/backend/modules/fitness/FitnessFunction.java b/src/jcgp/backend/modules/fitness/FitnessFunction.java
index ffce9b7..d3b76cb 100644
--- a/src/jcgp/backend/modules/fitness/FitnessFunction.java
+++ b/src/jcgp/backend/modules/fitness/FitnessFunction.java
@@ -1,8 +1,8 @@
package jcgp.backend.modules.fitness;
-import jcgp.JCGP.Resources;
import jcgp.backend.modules.Module;
import jcgp.backend.population.Population;
+import jcgp.backend.resources.Resources;
public interface FitnessFunction extends Module {
diff --git a/src/jcgp/backend/modules/fitness/TestCase.java b/src/jcgp/backend/modules/fitness/TestCase.java
deleted file mode 100644
index 23f7ecf..0000000
--- a/src/jcgp/backend/modules/fitness/TestCase.java
+++ /dev/null
@@ -1,29 +0,0 @@
-package jcgp.backend.modules.fitness;
-
-public class TestCase {
-
- private Object[] inputs;
- private Object[] outputs;
-
- public TestCase(Object[] inputs, Object[] outputs) {
- this.inputs = inputs;
- this.outputs = outputs;
- }
-
- public Object getInput(int index) {
- return inputs[index];
- }
-
- public Object getOutput(int index) {
- return outputs[index];
- }
-
- public Object[] getInputs() {
- return inputs;
- }
-
- public Object[] getOutputs() {
- return outputs;
- }
-
-}
diff --git a/src/jcgp/backend/modules/fitness/TestCaseEvaluator.java b/src/jcgp/backend/modules/fitness/TestCaseEvaluator.java
deleted file mode 100644
index 5ff6973..0000000
--- a/src/jcgp/backend/modules/fitness/TestCaseEvaluator.java
+++ /dev/null
@@ -1,43 +0,0 @@
-package jcgp.backend.modules.fitness;
-
-import jcgp.JCGP.Resources;
-import jcgp.backend.modules.ModuleStatus;
-import jcgp.backend.parameters.Parameter;
-import jcgp.backend.population.Population;
-
-public class TestCaseEvaluator implements FitnessFunction {
-
- @Override
- public void evaluate(Population population, Resources resources) {
- // for every chromosome in the population
- for (int i = 0; i < resources.getInt("popSize"); i++) {
- int fitness = 0;
- // for every test case
- for (int t = 0; t < resources.getTestCaseCount(); t++) {
- population.getChromosome(i).setInputs(resources.getTestCase(t).getInputs());
- // check every output
- for (int o = 0; o < resources.getInt("outputs"); o++) {
- if (population.getChromosome(i).getOutput(o).calculate() == resources.getTestCase(t).getOutput(o)) {
- fitness++;
- }
- }
- }
- population.getChromosome(i).setFitness(fitness);
- }
- }
-
- @Override
- public Parameter[] getLocalParameters() {
- return null;
- }
-
- @Override
- public String toString() {
- return "Test case";
- }
-
- @Override
- public ModuleStatus getStatus(Resources resources) {
- return null;
- }
-}
diff --git a/src/jcgp/backend/modules/fitness/testcase/TestCaseEvaluator.java b/src/jcgp/backend/modules/fitness/testcase/TestCaseEvaluator.java
new file mode 100644
index 0000000..51676e3
--- /dev/null
+++ b/src/jcgp/backend/modules/fitness/testcase/TestCaseEvaluator.java
@@ -0,0 +1,75 @@
+package jcgp.backend.modules.fitness.testcase;
+
+import java.util.ArrayList;
+
+import jcgp.backend.modules.fitness.FitnessFunction;
+import jcgp.backend.population.Population;
+import jcgp.backend.resources.Resources;
+
+/**
+ *
+ * This fitness function module implements a simple test case evaluator.
+ *
+ * A TestCase object is a
+ *
+ *
+ * @author Eduardo Pedroni
+ *
+ */
+public abstract class TestCaseEvaluator implements FitnessFunction {
+
+ public static class TestCase<T> {
+
+ private T[] inputs;
+ private T[] outputs;
+
+ public TestCase(T[] inputs, T[] outputs) {
+ this.inputs = inputs;
+ this.outputs = outputs;
+ }
+
+ public T getInput(int index) {
+ return inputs[index];
+ }
+
+ public T getOutput(int index) {
+ return outputs[index];
+ }
+
+ public T[] getInputs() {
+ return inputs;
+ }
+
+ public T[] getOutputs() {
+ return outputs;
+ }
+ }
+
+ protected ArrayList<TestCase> testCases;
+
+ @Override
+ public void evaluate(Population population, Resources resources) {
+ // for every chromosome in the population
+ for (int i = 0; i < resources.getInt("popSize"); i++) {
+ // assume an initial fitness of 0
+ int fitness = 0;
+ // for each test case
+ for (int t = 0; t < testCases.size(); t++) {
+ population.getChromosome(i).setInputs(testCases.get(t).getInputs());
+ // check each output
+ for (int o = 0; o < resources.getInt("outputs"); o++) {
+ if (population.getChromosome(i).getOutput(o).calculate() == testCases.get(t).getOutput(o)) {
+ fitness++;
+ }
+ }
+ }
+ // assign the resulting fitness to the respective individual
+ population.getChromosome(i).setFitness(fitness);
+ }
+ }
+
+ public int getMaxFitness() {
+ return 0;
+ }
+}
+
diff --git a/src/jcgp/backend/modules/mutator/Mutator.java b/src/jcgp/backend/modules/mutator/Mutator.java
index fd7cd27..ffdd35c 100644
--- a/src/jcgp/backend/modules/mutator/Mutator.java
+++ b/src/jcgp/backend/modules/mutator/Mutator.java
@@ -1,8 +1,8 @@
package jcgp.backend.modules.mutator;
-import jcgp.JCGP.Resources;
import jcgp.backend.modules.Module;
import jcgp.backend.population.Chromosome;
+import jcgp.backend.resources.Resources;
public interface Mutator extends Module {
diff --git a/src/jcgp/backend/modules/mutator/PointMutator.java b/src/jcgp/backend/modules/mutator/PointMutator.java
index cdac8bb..54d5f3d 100644
--- a/src/jcgp/backend/modules/mutator/PointMutator.java
+++ b/src/jcgp/backend/modules/mutator/PointMutator.java
@@ -1,33 +1,39 @@
package jcgp.backend.modules.mutator;
import jcgp.backend.function.Function;
-import jcgp.backend.modules.ModuleStatus;
-import jcgp.backend.parameters.DoubleParameter;
-import jcgp.backend.parameters.Parameter;
import jcgp.backend.population.Chromosome;
import jcgp.backend.population.MutableElement;
import jcgp.backend.population.Node;
import jcgp.backend.population.Output;
-import jcgp.JCGP.Resources;
+import jcgp.backend.resources.Resources;
+import jcgp.backend.resources.parameters.DoubleParameter;
+import jcgp.backend.resources.parameters.Parameter;
+import jcgp.backend.resources.parameters.ParameterStatus;
public class PointMutator implements Mutator {
private DoubleParameter mutationRate;
- private ModuleStatus status = ModuleStatus.READY;
-
- public PointMutator() {
- mutationRate = new DoubleParameter(0.5, "Percent mutation", false, false) {
+ public PointMutator(final Resources resources) {
+ mutationRate = new DoubleParameter(50, "Percent mutation", false, false) {
@Override
public void validate(double newValue) {
- // TODO this
+ if (newValue <= 0 || newValue > 100) {
+ status = ParameterStatus.INVALID;
+ status.setDetails("Mutation rate must be > 0 and <= 100");
+ } else if ((int) ((newValue / 100) * resources.getDouble("nodes")) <= 0) {
+ status = ParameterStatus.WARNING;
+ status.setDetails("With mutation rate " + mutationRate.get() + ", 0 genes will be mutated.");
+ } else {
+ status = ParameterStatus.VALID;
+ }
}
};
}
@Override
public void mutate(Chromosome chromosome, Resources resources) {
- int mutations = (int) Math.ceil(((mutationRate.get()) * ((((resources.getDouble("nodes")) + (resources.getDouble("outputs")))) / (double) 100)));
+ int mutations = (int) ((mutationRate.get()) * ((((resources.getDouble("nodes")) + (resources.getDouble("outputs")))) / 100));
for (int i = 0; i < mutations; i++) {
MutableElement m = chromosome.getRandomMutableElement();
@@ -55,18 +61,4 @@ public class PointMutator implements Mutator {
return "Point mutation";
}
- @Override
- public ModuleStatus getStatus(Resources resources) {
- if (mutationRate.get() <= 0 || mutationRate.get() > 100) {
- status = ModuleStatus.ERROR;
- status.setDetails("Mutation rate must be > 0 and <= 100");
- } else if ((int) ((mutationRate.get() / 100) * resources.getDouble("nodes")) > 0) {
- status = ModuleStatus.WARNING;
- status.setDetails("With mutation rate " + mutationRate.get() + ", no mutations will occur.");
- } else {
- status = ModuleStatus.READY;
- status.setDetails("");
- }
- return status;
- }
}