Project

General

Profile

root / trunk / compiler / ooasCompiler / src / org / momut / ooas / math / SaturatedDoubleOperations.java @ 7

1
/**
2
  *
3
  *                      OOAS Compiler
4
  *
5
  *       Copyright 2015, AIT Austrian Institute of Technology.
6
  * This code is based on the C# Version of the OOAS Compiler, which is
7
  * copyright 2015 by the Institute of Software Technology, Graz University
8
  * of Technology with portions copyright by the AIT Austrian Institute of
9
  * Technology. All rights reserved.
10
  *
11
  * SEE THE "LICENSE" FILE FOR THE TERMS UNDER WHICH THIS FILE IS PROVIDED.
12
  *
13
  * If you modify the file please update the list of contributors below to in-
14
  * clude your name. Please also stick to the coding convention of using TABs
15
  * to do the basic (block-level) indentation and spaces for anything after
16
  * that. (Enable the display of special chars and it should be pretty obvious
17
  * what this means.) Also, remove all trailing whitespace.
18
  *
19
  * Contributors:
20
  *               Willibald Krenn (AIT)
21
  *               Stephan Zimmerer (AIT)
22
  *               Markus Demetz (AIT)
23
  *               Christoph Czurda (AIT)
24
  *
25
  */
26

    
27

    
28
package org.momut.ooas.math;
29

    
30

    
31
public final class SaturatedDoubleOperations extends Operations<Double>{
32
        public static final class SatDoubleBasicOps extends BasicOps<Double> {
33
                private static double checkRange(double aValue)
34
                {
35
                        if (aValue == Double.POSITIVE_INFINITY)
36
                                return Double.MAX_VALUE;
37
                        else if (aValue == Double.NEGATIVE_INFINITY)
38
                                return Double.MIN_VALUE;
39
                        else
40
                                return aValue;
41
                }
42

    
43
                @Override
44
                public Double unMinus(Double input) {
45
                        return checkRange(-input);
46
                }
47
                @Override
48
                public Double minus(Double inputA, Double inputB) {
49
                        return checkRange(inputA - inputB);
50
                }
51
                @Override
52
                public Double plus(Double inputA, Double inputB) {
53
                        return checkRange(inputA + inputB);
54
                }
55
                @Override
56
                public Double div(Double inputA, Double inputB) {
57
                        return checkRange(inputA / inputB);
58
                }
59
                @Override
60
                public Double pow(Double inputA, Double inputB) {
61
                        return checkRange(Math.pow(inputA, inputB));
62
                }
63
                @Override
64
                public Double prod(Double inputA, Double inputB) {
65
                        return checkRange(inputA * inputB);
66
                }
67
                @Override
68
                public Double mod(Double inputA, Double inputB) {
69
                        return checkRange(inputA % inputB);
70
                }
71
                @Override
72
                public boolean equal(Double inputA, Double inputB) {return inputA.equals(inputB);}
73
                @Override
74
                public boolean smaller(Double inputA, Double inputB) {return inputA < inputB;}
75
                @Override
76
                public boolean greater(Double inputA, Double inputB){return inputA > inputB;}
77
                @Override
78
                public Double getDefaultValue() {return 0.0;}
79
        }
80

    
81
        public SaturatedDoubleOperations() {
82
                super(new SatDoubleBasicOps());
83
        }
84
}