1 /* 2 * ProGuard -- shrinking, optimization, obfuscation, and preverification 3 * of Java bytecode. 4 * 5 * Copyright (c) 2002-2014 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 */ 21 package proguard.evaluation.value; 22 23 /** 24 * This DoubleValue represents a specific double value. 25 * 26 * @author Eric Lafortune 27 */ 28 abstract class SpecificDoubleValue extends DoubleValue 29 { 30 // Implementations of unary methods of DoubleValue. 31 negate()32 public DoubleValue negate() 33 { 34 return new NegatedDoubleValue(this); 35 } 36 convertToInteger()37 public IntegerValue convertToInteger() 38 { 39 return new ConvertedIntegerValue(this); 40 } 41 convertToLong()42 public LongValue convertToLong() 43 { 44 return new ConvertedLongValue(this); 45 } 46 convertToFloat()47 public FloatValue convertToFloat() 48 { 49 return new ConvertedFloatValue(this); 50 } 51 52 53 // Implementations of binary methods of DoubleValue. 54 generalize(DoubleValue other)55 public DoubleValue generalize(DoubleValue other) 56 { 57 return other.generalize(this); 58 } 59 add(DoubleValue other)60 public DoubleValue add(DoubleValue other) 61 { 62 return other.add(this); 63 } 64 subtract(DoubleValue other)65 public DoubleValue subtract(DoubleValue other) 66 { 67 return other.subtractFrom(this); 68 } 69 subtractFrom(DoubleValue other)70 public DoubleValue subtractFrom(DoubleValue other) 71 { 72 return other.subtract(this); 73 } 74 multiply(DoubleValue other)75 public DoubleValue multiply(DoubleValue other) 76 { 77 return other.multiply(this); 78 } 79 divide(DoubleValue other)80 public DoubleValue divide(DoubleValue other) 81 { 82 return other.divideOf(this); 83 } 84 divideOf(DoubleValue other)85 public DoubleValue divideOf(DoubleValue other) 86 { 87 return other.divide(this); 88 } 89 remainder(DoubleValue other)90 public DoubleValue remainder(DoubleValue other) 91 { 92 return other.remainderOf(this); 93 } 94 remainderOf(DoubleValue other)95 public DoubleValue remainderOf(DoubleValue other) 96 { 97 return other.remainder(this); 98 } 99 compare(DoubleValue other)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 generalize(SpecificDoubleValue other)109 public DoubleValue generalize(SpecificDoubleValue other) 110 { 111 return this.equals(other) ? this : ValueFactory.DOUBLE_VALUE; 112 } 113 add(SpecificDoubleValue other)114 public DoubleValue add(SpecificDoubleValue other) 115 { 116 return new CompositeDoubleValue(this, CompositeDoubleValue.ADD, other); 117 } 118 subtract(SpecificDoubleValue other)119 public DoubleValue subtract(SpecificDoubleValue other) 120 { 121 return new CompositeDoubleValue(this, CompositeDoubleValue.SUBTRACT, other); 122 } 123 subtractFrom(SpecificDoubleValue other)124 public DoubleValue subtractFrom(SpecificDoubleValue other) 125 { 126 return new CompositeDoubleValue(other, CompositeDoubleValue.SUBTRACT, this); 127 } 128 multiply(SpecificDoubleValue other)129 public DoubleValue multiply(SpecificDoubleValue other) 130 { 131 return new CompositeDoubleValue(this, CompositeDoubleValue.MULTIPLY, other); 132 } 133 divide(SpecificDoubleValue other)134 public DoubleValue divide(SpecificDoubleValue other) 135 { 136 return new CompositeDoubleValue(this, CompositeDoubleValue.DIVIDE, other); 137 } 138 divideOf(SpecificDoubleValue other)139 public DoubleValue divideOf(SpecificDoubleValue other) 140 { 141 return new CompositeDoubleValue(other, CompositeDoubleValue.DIVIDE, this); 142 } 143 remainder(SpecificDoubleValue other)144 public DoubleValue remainder(SpecificDoubleValue other) 145 { 146 return new CompositeDoubleValue(this, CompositeDoubleValue.REMAINDER, other); 147 } 148 remainderOf(SpecificDoubleValue other)149 public DoubleValue remainderOf(SpecificDoubleValue other) 150 { 151 return new CompositeDoubleValue(other, CompositeDoubleValue.REMAINDER, this); 152 } 153 compare(SpecificDoubleValue other)154 public IntegerValue compare(SpecificDoubleValue other) 155 { 156 return ValueFactory.INTEGER_VALUE; 157 158 // Not handling NaN properly. 159 //return this.equals(other) ? 160 // ParticularValueFactory.INTEGER_VALUE_0 : 161 // new ComparisonValue(this, other); 162 } 163 164 165 // Implementations for Value. 166 isSpecific()167 public boolean isSpecific() 168 { 169 return true; 170 } 171 172 173 // Implementations for Object. 174 equals(Object object)175 public boolean equals(Object object) 176 { 177 return object != null && 178 this.getClass() == object.getClass(); 179 } 180 181 hashCode()182 public int hashCode() 183 { 184 return this.getClass().hashCode(); 185 } 186 } 187