public static void main(String[] args) throws Exception {
if (args.length != 1) {
System.out.println("Error: require exactly 1 argument.");
System.out.println(GP_USAGE);
System.exit(1);
}
configFile = args[0];
/** Input data from config file. Fixed name here. */
GPConfig.loadConfig(new BufferedReader(new FileReader(configFile)));
myPop = GPConfig.getPopType().newInstance();
int numGens = GPConfig.getNumGens();
GPCreature curBest = null;
myPop.computeFitnesses();
for (int i = 0; i < numGens; i++) {
myPop.evolveNextGeneration();
myPop.computeFitnesses();
curBest = myPop.getBestCreature();
System.out.println("GENERATION NUMBER: " + i);
System.out.println("BEST FITNESS : " + String.format("%1$,.4f", curBest.getFitness()));
System.out.println();
}
GPCreature best = myPop.getBestCreature();
System.out.println("Best creature height=" + best.getTree().getHeight());
/** Output best creature to dot file */
String dot = best.getTree().toDot("Best function");
FileWriter fw = null;
fw = new FileWriter(GPConfig.getOutputDir() + "/best.dot");
fw.write(dot);
fw.close();
/** Output header file */
System.out.println("Writing header to " + GPConfig.getHeaderFile());
fw = new FileWriter(GPConfig.getOutputDir() + "/" + GPConfig.getHeaderFile());
fw.write(myPop.getHeader());
fw.close();
/** Output short info file */
if (GPConfig.outputShort()) {
System.out.println("Writing short info to " + GPConfig.getShortInfoFile());
fw = new FileWriter(GPConfig.getOutputDir() + "/" + GPConfig.getShortInfoFile());
List<String> shortInfo = myPop.getShortGenInfo();
for (String row : shortInfo) fw.write(row + "\n");
fw.close();
}
/** Output final info file */
if (GPConfig.outputFinalGen()) {
System.out.println("Writing final gen info to " + GPConfig.getFinalGenFile());
fw = new FileWriter(GPConfig.getOutputDir() + "/" + GPConfig.getShortInfoFile());
for (String row : myPop.getFinalGenInfo()) fw.write(row + "\n");
fw.close();
}
}
public ERCNode() {
value = GPConfig.getRandGen().nextDouble() * 4.0 - 2.0;
}