1 files changed, 178 insertions, 0 deletions
diff --git a/src/jcgp/modules/function/BooleanLogic.java b/src/jcgp/modules/function/BooleanLogic.java
new file mode 100644
index 0000000..887e0e6
--- /dev/null
+++ b/src/jcgp/modules/function/BooleanLogic.java
@@ -0,0 +1,178 @@
+package jcgp.modules.function;
+
+import jcgp.exceptions.InvalidArgumentsException;
+import jcgp.parameters.Parameters;
+import jcgp.population.Connection;
+
+public class BooleanLogic {
+
+	public static class And extends Function {	
+		private int arity = 2;
+
+		@Override
+		public Boolean run(Connection... connections) {
+			if (connections.length < arity) {
+				throw new InvalidArgumentsException("Not enough connections were given.");
+			} else {
+				Boolean arg1 = ((Boolean) connections[0].getValue());
+				Boolean arg2 = ((Boolean) connections[1].getValue());
+				Boolean result = arg1 && arg2;
+				if (Parameters.getDebug()) {
+					System.out.println(arg1 + " AND " + arg2 + " = " + result);
+				}
+				return result;
+			}
+		}
+
+		@Override
+		public int getArity() {
+			return arity;
+		}
+	}
+	
+	public static class Or extends Function {	
+		private int arity = 2;
+
+		@Override
+		public Boolean run(Connection... connections) {
+			if (connections.length < arity) {
+				throw new InvalidArgumentsException("Not enough connections were given.");
+			} else {
+				Boolean arg1 = ((Boolean) connections[0].getValue());
+				Boolean arg2 = ((Boolean) connections[1].getValue());
+				Boolean result = arg1 || arg2;
+				if (Parameters.getDebug()) {
+					System.out.println(arg1 + " OR " + arg2 + " = " + result);
+				}
+				return result;
+			}
+		}
+
+		@Override
+		public int getArity() {
+			return arity;
+		}
+	}
+
+	public static class Not extends Function {	
+		private int arity = 1;
+
+		@Override
+		public Boolean run(Connection... connections) {
+			if (connections.length < arity) {
+				throw new InvalidArgumentsException("Not enough connections were given.");
+			} else {
+				Boolean arg1 = ((Boolean) connections[0].getValue());
+				Boolean result = !arg1;
+				if (Parameters.getDebug()) {
+					System.out.println("NOT " + arg1 + " = " + result);
+				}
+				return result;
+			}
+		}
+
+		@Override
+		public int getArity() {
+			return arity;
+		}
+	}
+
+	public static class Xor extends Function {	
+		private int arity = 2;
+
+		@Override
+		public Boolean run(Connection... connections) {
+			if (connections.length < arity) {
+				throw new InvalidArgumentsException("Not enough connections were given.");
+			} else {
+				Boolean arg1 = ((Boolean) connections[0].getValue());
+				Boolean arg2 = ((Boolean) connections[1].getValue());
+				Boolean result = arg1 ^ arg2;
+				if (Parameters.getDebug()) {
+					System.out.println(arg1 + " XOR " + arg2 + " = " + result);
+				}
+				return result;
+			}
+		}
+
+		@Override
+		public int getArity() {
+			return arity;
+		}
+	}
+
+	public static class Nand extends Function {	
+		private int arity = 2;
+
+		@Override
+		public Boolean run(Connection... connections) {
+			if (connections.length < arity) {
+				throw new InvalidArgumentsException("Not enough connections were given.");
+			} else {
+				Boolean arg1 = ((Boolean) connections[0].getValue());
+				Boolean arg2 = ((Boolean) connections[1].getValue());
+				Boolean result = arg1 && arg2;
+				if (Parameters.getDebug()) {
+					System.out.println(arg1 + " NAND " + arg2 + " = " + !result);
+				}
+				return !result;
+			}
+		}
+
+		@Override
+		public int getArity() {
+			return arity;
+		}
+	}
+
+	public static class Nor extends Function {	
+		private int arity = 2;
+
+		@Override
+		public Boolean run(Connection... connections) {
+			if (connections.length < arity) {
+				throw new InvalidArgumentsException("Not enough connections were given.");
+			} else {
+				Boolean arg1 = ((Boolean) connections[0].getValue());
+				Boolean arg2 = ((Boolean) connections[1].getValue());
+				Boolean result = arg1 || arg2;
+				if (Parameters.getDebug()) {
+					System.out.println(arg1 + " NOR " + arg2 + " = " + !result);
+				}
+				return !result;
+			}
+		}
+
+		@Override
+		public int getArity() {
+			return arity;
+		}
+	}
+
+	public static class Xnor extends Function {	
+		private int arity = 2;
+
+		@Override
+		public Boolean run(Connection... connections) {
+			if (connections.length < arity) {
+				throw new InvalidArgumentsException("Not enough connections were given.");
+			} else {
+				Boolean arg1 = ((Boolean) connections[0].getValue());
+				Boolean arg2 = ((Boolean) connections[1].getValue());
+				Boolean result = arg1 ^ arg2;
+				if (Parameters.getDebug()) {
+					System.out.println(arg1 + " XNOR " + arg2 + " = " + !result);
+				}
+				return !result;
+			}
+		}
+
+		@Override
+		public int getArity() {
+			return arity;
+		}
+	}
+
+	
+	
+}