1/*
2 * ProGuard -- shrinking, optimization, obfuscation, and preverification
3 *             of Java bytecode.
4 *
5 * Copyright (c) 2002-2013 Eric Lafortune (eric@graphics.cornell.edu)
6 *
7 * This program is free software; you can redistribute it and/or modify it
8 * under the terms of the GNU General Public License as published by the Free
9 * Software Foundation; either version 2 of the License, or (at your option)
10 * any later version.
11 *
12 * This program is distributed in the hope that it will be useful, but WITHOUT
13 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
14 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
15 * more details.
16 *
17 * You should have received a copy of the GNU General Public License along
18 * with this program; if not, write to the Free Software Foundation, Inc.,
19 * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 */
21package proguard.evaluation.value;
22
23/**
24 * This DoubleValue represents a specific double value.
25 *
26 * @author Eric Lafortune
27 */
28abstract class SpecificDoubleValue extends DoubleValue
29{
30    // Implementations of unary methods of DoubleValue.
31
32    public DoubleValue negate()
33    {
34        return new NegatedDoubleValue(this);
35    }
36
37    public IntegerValue convertToInteger()
38    {
39        return new ConvertedIntegerValue(this);
40    }
41
42    public LongValue convertToLong()
43    {
44        return new ConvertedLongValue(this);
45    }
46
47    public FloatValue convertToFloat()
48    {
49        return new ConvertedFloatValue(this);
50    }
51
52
53    // Implementations of binary methods of DoubleValue.
54
55    public DoubleValue generalize(DoubleValue other)
56    {
57        return other.generalize(this);
58    }
59
60    public DoubleValue add(DoubleValue other)
61    {
62        return other.add(this);
63    }
64
65    public DoubleValue subtract(DoubleValue other)
66    {
67        return other.subtractFrom(this);
68    }
69
70    public DoubleValue subtractFrom(DoubleValue other)
71    {
72        return other.subtract(this);
73    }
74
75    public DoubleValue multiply(DoubleValue other)
76    {
77        return other.multiply(this);
78    }
79
80    public DoubleValue divide(DoubleValue other)
81    {
82        return other.divideOf(this);
83    }
84
85    public DoubleValue divideOf(DoubleValue other)
86    {
87        return other.divide(this);
88    }
89
90    public DoubleValue remainder(DoubleValue other)
91    {
92        return other.remainderOf(this);
93    }
94
95    public DoubleValue remainderOf(DoubleValue other)
96    {
97        return other.remainder(this);
98    }
99
100    public IntegerValue compare(DoubleValue other)
101    {
102        return other.compareReverse(this);
103    }
104
105
106    // Implementations of binary DoubleValue methods with SpecificDoubleValue
107    // arguments.
108
109    public DoubleValue generalize(SpecificDoubleValue other)
110    {
111        return this.equals(other) ? this : ValueFactory.DOUBLE_VALUE;
112    }
113
114    public DoubleValue add(SpecificDoubleValue other)
115    {
116        return new CompositeDoubleValue(this, CompositeDoubleValue.ADD, other);
117    }
118
119    public DoubleValue subtract(SpecificDoubleValue other)
120    {
121        return new CompositeDoubleValue(this, CompositeDoubleValue.SUBTRACT, other);
122    }
123
124    public DoubleValue subtractFrom(SpecificDoubleValue other)
125    {
126        return new CompositeDoubleValue(other, CompositeDoubleValue.SUBTRACT, this);
127    }
128
129    public DoubleValue multiply(SpecificDoubleValue other)
130    {
131        return new CompositeDoubleValue(this, CompositeDoubleValue.MULTIPLY, other);
132    }
133
134    public DoubleValue divide(SpecificDoubleValue other)
135    {
136        return new CompositeDoubleValue(this, CompositeDoubleValue.DIVIDE, other);
137    }
138
139    public DoubleValue divideOf(SpecificDoubleValue other)
140    {
141        return new CompositeDoubleValue(other, CompositeDoubleValue.DIVIDE, this);
142    }
143
144    public DoubleValue remainder(SpecificDoubleValue other)
145    {
146        return new CompositeDoubleValue(this, CompositeDoubleValue.REMAINDER, other);
147    }
148
149    public DoubleValue remainderOf(SpecificDoubleValue other)
150    {
151        return new CompositeDoubleValue(other, CompositeDoubleValue.REMAINDER, this);
152    }
153
154    public IntegerValue compare(SpecificDoubleValue other)
155    {
156        return ValueFactory.INTEGER_VALUE;
157
158        // Not handling NaN properly.
159        //return this.equals(other) ?
160        //    SpecificValueFactory.INTEGER_VALUE_0 :
161        //    new ComparisonValue(this, other);
162    }
163
164
165    // Implementations for Value.
166
167    public boolean isSpecific()
168    {
169        return true;
170    }
171
172
173    // Implementations for Object.
174
175    public boolean equals(Object object)
176    {
177        return object != null &&
178               this.getClass() == object.getClass();
179    }
180
181
182    public int hashCode()
183    {
184        return this.getClass().hashCode();
185    }
186}
187