/**
  *
  *                      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());
	}
}