diff options
Diffstat (limited to 'third_party/java/proguard/proguard5.3.3/src/proguard/evaluation/value/ParticularDoubleValue.java')
-rw-r--r-- | third_party/java/proguard/proguard5.3.3/src/proguard/evaluation/value/ParticularDoubleValue.java | 221 |
1 files changed, 221 insertions, 0 deletions
diff --git a/third_party/java/proguard/proguard5.3.3/src/proguard/evaluation/value/ParticularDoubleValue.java b/third_party/java/proguard/proguard5.3.3/src/proguard/evaluation/value/ParticularDoubleValue.java new file mode 100644 index 0000000000..f61628f242 --- /dev/null +++ b/third_party/java/proguard/proguard5.3.3/src/proguard/evaluation/value/ParticularDoubleValue.java @@ -0,0 +1,221 @@ +/* + * ProGuard -- shrinking, optimization, obfuscation, and preverification + * of Java bytecode. + * + * Copyright (c) 2002-2017 Eric Lafortune @ GuardSquare + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at your option) + * any later version. + * + * This program is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ +package proguard.evaluation.value; + +/** + * This DoubleValue represents a particular double value. + * + * @author Eric Lafortune + */ +final class ParticularDoubleValue extends SpecificDoubleValue +{ + private final double value; + + + /** + * Creates a new particular double value. + */ + public ParticularDoubleValue(double value) + { + this.value = value; + } + + + // Implementations for DoubleValue. + + public double value() + { + return value; + } + + + // Implementations of unary methods of DoubleValue. + + public DoubleValue negate() + { + return new ParticularDoubleValue(-value); + } + + public IntegerValue convertToInteger() + { + return new ParticularIntegerValue((int)value); + } + + public LongValue convertToLong() + { + return new ParticularLongValue((long)value); + } + + public FloatValue convertToFloat() + { + return new ParticularFloatValue((float)value); + } + + + // Implementations of binary methods of DoubleValue. + + public DoubleValue generalize(DoubleValue other) + { + return other.generalize(this); + } + + public DoubleValue add(DoubleValue other) + { + // Careful: -0.0 + 0.0 == 0.0 + //return value == 0.0 ? other : other.add(this); + return other.add(this); + } + + public DoubleValue subtract(DoubleValue other) + { + // Careful: -0.0 + 0.0 == 0.0 + //return value == 0.0 ? other.negate() : other.subtractFrom(this); + return other.subtractFrom(this); + } + + public DoubleValue subtractFrom(DoubleValue other) + { + // Careful: -0.0 + 0.0 == 0.0 + //return value == 0.0 ? other : other.subtract(this); + return other.subtract(this); + } + + public DoubleValue multiply(DoubleValue other) + { + return other.multiply(this); + } + + public DoubleValue divide(DoubleValue other) + { + return other.divideOf(this); + } + + public DoubleValue divideOf(DoubleValue other) + { + return other.divide(this); + } + + public DoubleValue remainder(DoubleValue other) + { + return other.remainderOf(this); + } + + public DoubleValue remainderOf(DoubleValue other) + { + return other.remainder(this); + } + + public IntegerValue compare(DoubleValue other) + { + return other.compareReverse(this); + } + + + // Implementations of binary DoubleValue methods with ParticularDoubleValue + // arguments. + + public DoubleValue generalize(ParticularDoubleValue other) + { + // Also handle NaN and Infinity. + return Double.doubleToRawLongBits(this.value) == + Double.doubleToRawLongBits(other.value) ? + this : ValueFactory.DOUBLE_VALUE; + } + + public DoubleValue add(ParticularDoubleValue other) + { + return new ParticularDoubleValue(this.value + other.value); + } + + public DoubleValue subtract(ParticularDoubleValue other) + { + return new ParticularDoubleValue(this.value - other.value); + } + + public DoubleValue subtractFrom(ParticularDoubleValue other) + { + return new ParticularDoubleValue(other.value - this.value); + } + + public DoubleValue multiply(ParticularDoubleValue other) + { + return new ParticularDoubleValue(this.value * other.value); + } + + public DoubleValue divide(ParticularDoubleValue other) + { + return new ParticularDoubleValue(this.value / other.value); + } + + public DoubleValue divideOf(ParticularDoubleValue other) + { + return new ParticularDoubleValue(other.value / this.value); + } + + public DoubleValue remainder(ParticularDoubleValue other) + { + return new ParticularDoubleValue(this.value % other.value); + } + + public DoubleValue remainderOf(ParticularDoubleValue other) + { + return new ParticularDoubleValue(other.value % this.value); + } + + public IntegerValue compare(ParticularDoubleValue other) + { + return this.value < other.value ? ParticularValueFactory.INTEGER_VALUE_M1 : + this.value == other.value ? ParticularValueFactory.INTEGER_VALUE_0 : + ParticularValueFactory.INTEGER_VALUE_1; + } + + + // Implementations for Value. + + public boolean isParticular() + { + return true; + } + + + // Implementations for Object. + + public boolean equals(Object object) + { + // Also handle NaN and Infinity. + return super.equals(object) && + Double.doubleToLongBits(this.value) == + Double.doubleToLongBits(((ParticularDoubleValue)object).value); + } + + + public int hashCode() + { + return super.hashCode() ^ + (int)Double.doubleToLongBits(value); + } + + + public String toString() + { + return value+"d"; + } +}
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