1 files changed, 0 insertions, 98 deletions
diff --git a/src/jcgp/Utilities.java b/src/jcgp/Utilities.java
deleted file mode 100644
index ff5387f..0000000
--- a/src/jcgp/Utilities.java
+++ /dev/null
@@ -1,98 +0,0 @@
-package jcgp;
-
-import java.util.Random;
-
-import jcgp.modules.function.Function;
-import jcgp.modules.function.FunctionSet;
-import jcgp.parameters.Parameters;
-import jcgp.population.*;
-
-public class Utilities {
-	
-	private static Random numberGenerator;
-	private static FunctionSet functionSet;
-	
-	public static void setResources(Random numberGenerator, FunctionSet functionSet) {
-		Utilities.numberGenerator = numberGenerator;
-		Utilities.functionSet = functionSet;
-	}
-
-	public static int getRandomInt(int limit){
-		return numberGenerator.nextInt(limit);
-	}
-
-	public static double getRandomDouble(int limit){
-		return numberGenerator.nextDouble() * limit;
-	}
-
-	/**
-	 * @param chromosome the chromosome to choose from
-	 * @return a random input
-	 */
-	public static Input getRandomInput(Chromosome chromosome){
-		return chromosome.getInput(getRandomInt(Parameters.getInputs()));
-	}
-
-	/**
-	 * Returns a random allowed node respecting levels back.
-	 * 
-	 * This method will NOT pick inputs.
-	 * 
-	 * @param chromosome the chromosome to pick from
-	 * @param column the column to use as reference
-	 * @return a random node
-	 */
-	public static Node getRandomNode(Chromosome chromosome, int column){
-		// work out the allowed range obeying levels back
-		int allowedColumns = ((column >= Parameters.getLevelsBack()) ? Parameters.getLevelsBack() : column);
-		int offset = column - allowedColumns;
-
-		// pick a random allowed column and row
-		int randomColumn = (getRandomInt(allowedColumns) + offset);
-		int randomRow = (getRandomInt(Parameters.getRows()));
-
-		return chromosome.getNode(randomRow, randomColumn);
-	}
-
-	/**
-	 * Returns a random allowed node.
-	 * 
-	 * This method will NOT pick inputs.
-	 * 
-	 * @param chromosome the chromosome to pick from
-	 * @param column the column to use as reference
-	 * @param levelsBack whether or not to respect levels back
-	 * @return a random node
-	 */
-	public static Node getRandomNode(Chromosome chromosome, int column, boolean levelsBack){
-		if (levelsBack) {
-			return getRandomNode(chromosome, column);
-		} else {
-			// pick any random column before the given column
-			int randomColumn = (getRandomInt(column));
-			// pick a random rowgetColumns
-			int randomRow = (getRandomInt(Parameters.getRows()));
-			return chromosome.getNode(randomRow, randomColumn);
-		}
-	}
-
-
-	/**
-	 * pick from any column - use this for setting outputs
-	 * 
-	 * @param chromosome
-	 * @return
-	 */
-	public static Node getRandomNode(Chromosome chromosome) {
-		return chromosome.getNode(getRandomInt(Parameters.getRows()), getRandomInt(Parameters.getColumns()));
-	}
-
-	public static Function getRandomFunction() {
-		return functionSet.getFunction(Utilities.getRandomInt(functionSet.getFunctionCount()));
-	}
-
-	public static Function getFunction(int index) {
-		return functionSet.getFunction(index);
-	}
-
-}