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authorEduardo Pedroni <ep625@york.ac.uk>2014-03-08 14:48:25 +0000
committerEduardo Pedroni <ep625@york.ac.uk>2014-03-08 14:48:25 +0000
commitd63d3145f0f2abcee1bb88457324f4aaf9b9320e (patch)
treedfb19082adfba8989c4fd95ef286b8c1e7a1f2b1 /src/jcgp/modules/fitness
parentef7a850a8f2f81ccaa07f25d9b7ad602e84d88c9 (diff)
Slowly refactoring Parameters to fit the GUI a little better...
Diffstat (limited to 'src/jcgp/modules/fitness')
-rw-r--r--src/jcgp/modules/fitness/FitnessFunction.java9
-rw-r--r--src/jcgp/modules/fitness/TestCase.java42
-rw-r--r--src/jcgp/modules/fitness/TruthTableEvaluator.java30
3 files changed, 81 insertions, 0 deletions
diff --git a/src/jcgp/modules/fitness/FitnessFunction.java b/src/jcgp/modules/fitness/FitnessFunction.java
new file mode 100644
index 0000000..8ed1b56
--- /dev/null
+++ b/src/jcgp/modules/fitness/FitnessFunction.java
@@ -0,0 +1,9 @@
+package jcgp.modules.fitness;
+
+import jcgp.population.Population;
+
+public interface FitnessFunction {
+
+ public void evaluate(Population population);
+
+}
diff --git a/src/jcgp/modules/fitness/TestCase.java b/src/jcgp/modules/fitness/TestCase.java
new file mode 100644
index 0000000..0cb09f1
--- /dev/null
+++ b/src/jcgp/modules/fitness/TestCase.java
@@ -0,0 +1,42 @@
+package jcgp.modules.fitness;
+
+import jcgp.exceptions.ParameterMismatchException;
+import jcgp.parameters.Parameters;
+
+public class TestCase {
+
+ private Object[] inputs;
+ private Object[] outputs;
+
+ public TestCase(Object[] inputs, Object[] outputs) throws ParameterMismatchException {
+ if (inputs.length == Parameters.getInputs()) {
+ this.inputs = inputs;
+ } else {
+ throw new ParameterMismatchException();
+ }
+
+ if (outputs.length == Parameters.getOutputs()) {
+ this.outputs = outputs;
+ } else {
+ throw new ParameterMismatchException();
+ }
+
+ }
+
+ 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/modules/fitness/TruthTableEvaluator.java b/src/jcgp/modules/fitness/TruthTableEvaluator.java
new file mode 100644
index 0000000..a69de96
--- /dev/null
+++ b/src/jcgp/modules/fitness/TruthTableEvaluator.java
@@ -0,0 +1,30 @@
+package jcgp.modules.fitness;
+
+import jcgp.TruthTable;
+import jcgp.parameters.Parameters;
+import jcgp.population.Population;
+
+public class TruthTableEvaluator implements FitnessFunction {
+
+ @Override
+ public void evaluate(Population population) {
+ // for every chromosome in the population
+ for (int i = 0; i < Parameters.getPopulationSize(); i++) {
+ int fitness = 0;
+ // for every test case
+ for (int t = 0; t < TruthTable.getTestCaseCount(); t++) {
+ population.getChromosome(i).setInputs(TruthTable.getTestCase(t).getInputs());
+ // check every output
+ for (int o = 0; o < Parameters.getOutputs(); o++) {
+ if (population.getChromosome(i).getOutput(o).calculate() == TruthTable.getTestCase(t).getOutput(o)) {
+ fitness++;
+ }
+ }
+ }
+ population.getChromosome(i).setFitness(fitness);
+ if (Parameters.getDebug()) {
+ System.out.println("active nodes: " + population.getChromosome(i).getActiveNodes().size());
+ }
+ }
+ }
+}