#111 Fix output of LCG to be in the desired range

Author: jeffheaton

src/main/java/org/encog/mathutil/LinearCongruentialGenerator.java

@@ -117,7 +117,7 @@ public LinearCongruentialGenerator(final long theModulus,
 		this.modulus = theModulus;
 		this.multiplier = theMultiplier;
 		this.increment = theIncrement;
-		this.seed = theSeed;
+		this.seed = theSeed%MAX_RAND;
 	}
 
 	/**
@@ -188,7 +188,7 @@ public final double range(final double min, final double max) {
 	 *            The seed value.
 	 */
 	public final void setSeed(final long theSeed) {
-		this.seed = theSeed;
+		this.seed = theSeed%MAX_RAND;
 	}
 
 }

src/main/java/org/encog/ml/prg/extension/StandardExtensions.java

@@ -126,6 +126,17 @@ public ExpressionValue evaluate(ProgramNode actual) {
 		}
 	};
 
+	/**
+	 * Standard boolean binary and operator.
+	 */
+	public static ProgramExtensionTemplate EXTENSION_NOT = new BasicTemplate(3, "!", NodeType.Unary, false, 0, 1) {
+		@Override
+		public ExpressionValue evaluate(ProgramNode actual) {
+			return new ExpressionValue(
+					!actual.getChildNode(0).evaluate().toBooleanValue());
+		}
+	};
+	
 	/**
 	 * Standard boolean binary or operator.
 	 */
@@ -148,6 +159,19 @@ public ExpressionValue evaluate(ProgramNode actual) {
 			return new ExpressionValue( diff<Encog.DEFAULT_DOUBLE_EQUAL);
 		}
 	};
+	
+	/**
+	 * Standard boolean binary equal operator.
+	 */
+	public static ProgramExtensionTemplate EXTENSION__NOT_EQUAL = new BasicTemplate(9, "<>", NodeType.OperatorRight, false, 0, 2) {
+		@Override
+		public ExpressionValue evaluate(ProgramNode actual) {
+			double diff = Math.abs(actual.getChildNode(0).evaluate().toFloatValue() - actual.getChildNode(1).evaluate().toFloatValue());
+			return new ExpressionValue( diff>Encog.DEFAULT_DOUBLE_EQUAL);
+		}
+	};
+	
+	
 	/**
 	 * Standard boolean binary greater than operator.
 	 */