OoasTools

/**

  *

  *                      OOAS Compiler

  *

  *       Copyright 2015, AIT Austrian Institute of Technology.

  * This code is based on the C# Version of the OOAS Compiler, which is

  * copyright 2015 by the Institute of Software Technology, Graz University

  * of Technology with portions copyright by the AIT Austrian Institute of

  * Technology. All rights reserved.

  *

  * SEE THE "LICENSE" FILE FOR THE TERMS UNDER WHICH THIS FILE IS PROVIDED.

  *

  * If you modify the file please update the list of contributors below to in-

  * clude your name. Please also stick to the coding convention of using TABs

  * to do the basic (block-level) indentation and spaces for anything after

  * that. (Enable the display of special chars and it should be pretty obvious

  * what this means.) Also, remove all trailing whitespace.

  *

  * Contributors:

  *               Willibald Krenn (AIT)

  *               Stephan Zimmerer (AIT)

  *               Markus Demetz (AIT)

  *               Christoph Czurda (AIT)

  *

  */

package org.momut.ooas.math;

public final class SaturatedDoubleOperations extends Operations<Double>{

	public static final class SatDoubleBasicOps extends BasicOps<Double> {

		private static double checkRange(double aValue)

		{

			if (aValue == Double.POSITIVE_INFINITY)

				return Double.MAX_VALUE;

			else if (aValue == Double.NEGATIVE_INFINITY)

				return Double.MIN_VALUE;

			else

				return aValue;

		}

		@Override

		public Double unMinus(Double input) {

			return checkRange(-input);

		}

		@Override

		public Double minus(Double inputA, Double inputB) {

			return checkRange(inputA - inputB);

		}

		@Override

		public Double plus(Double inputA, Double inputB) {

			return checkRange(inputA + inputB);

		}

		@Override

		public Double div(Double inputA, Double inputB) {

			return checkRange(inputA / inputB);

		}

		@Override

		public Double pow(Double inputA, Double inputB) {

			return checkRange(Math.pow(inputA, inputB));

		}

		@Override

		public Double prod(Double inputA, Double inputB) {

			return checkRange(inputA * inputB);

		}

		@Override

		public Double mod(Double inputA, Double inputB) {

			return checkRange(inputA % inputB);

		}

		@Override

		public boolean equal(Double inputA, Double inputB) {return inputA.equals(inputB);}

		@Override

		public boolean smaller(Double inputA, Double inputB) {return inputA < inputB;}

		@Override

		public boolean greater(Double inputA, Double inputB){return inputA > inputB;}

		@Override

		public Double getDefaultValue() {return 0.0;}

	}

	public SaturatedDoubleOperations() {

		super(new SatDoubleBasicOps());

	}

}