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Diffstat (limited to 'third_party/java/proguard/proguard5.3.3/src/proguard/evaluation/value/ParticularFloatValue.java')
| -rw-r--r-- | third_party/java/proguard/proguard5.3.3/src/proguard/evaluation/value/ParticularFloatValue.java | 221 |
1 files changed, 221 insertions, 0 deletions
diff --git a/third_party/java/proguard/proguard5.3.3/src/proguard/evaluation/value/ParticularFloatValue.java b/third_party/java/proguard/proguard5.3.3/src/proguard/evaluation/value/ParticularFloatValue.java new file mode 100644 index 0000000000..98875be428 --- /dev/null +++ b/third_party/java/proguard/proguard5.3.3/src/proguard/evaluation/value/ParticularFloatValue.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 FloatValue represents a particular float value. + * + * @author Eric Lafortune + */ +final class ParticularFloatValue extends SpecificFloatValue +{ + private final float value; + + + /** + * Creates a new particular float value. + */ + public ParticularFloatValue(float value) + { + this.value = value; + } + + + // Implementations for FloatValue. + + public float value() + { + return value; + } + + + // Implementations of unary methods of FloatValue. + + public FloatValue negate() + { + return new ParticularFloatValue(-value); + } + + public IntegerValue convertToInteger() + { + return new ParticularIntegerValue((int)value); + } + + public LongValue convertToLong() + { + return new ParticularLongValue((long)value); + } + + public DoubleValue convertToDouble() + { + return new ParticularDoubleValue((float)value); + } + + + // Implementations of binary methods of FloatValue. + + public FloatValue generalize(FloatValue other) + { + return other.generalize(this); + } + + public FloatValue add(FloatValue other) + { + // Careful: -0.0 + 0.0 == 0.0 + //return value == 0.0 ? other : other.add(this); + return other.add(this); + } + + public FloatValue subtract(FloatValue other) + { + // Careful: -0.0 + 0.0 == 0.0 + //return value == 0.0 ? other.negate() : other.subtractFrom(this); + return other.subtractFrom(this); + } + + public FloatValue subtractFrom(FloatValue other) + { + // Careful: -0.0 + 0.0 == 0.0 + //return value == 0.0 ? other : other.subtract(this); + return other.subtract(this); + } + + public FloatValue multiply(FloatValue other) + { + return other.multiply(this); + } + + public FloatValue divide(FloatValue other) + { + return other.divideOf(this); + } + + public FloatValue divideOf(FloatValue other) + { + return other.divide(this); + } + + public FloatValue remainder(FloatValue other) + { + return other.remainderOf(this); + } + + public FloatValue remainderOf(FloatValue other) + { + return other.remainder(this); + } + + public IntegerValue compare(FloatValue other) + { + return other.compareReverse(this); + } + + + // Implementations of binary FloatValue methods with ParticularFloatValue + // arguments. + + public FloatValue generalize(ParticularFloatValue other) + { + // Also handle NaN and Infinity. + return Float.floatToRawIntBits(this.value) == + Float.floatToRawIntBits(other.value) ? + this : ValueFactory.FLOAT_VALUE; + } + + public FloatValue add(ParticularFloatValue other) + { + return new ParticularFloatValue(this.value + other.value); + } + + public FloatValue subtract(ParticularFloatValue other) + { + return new ParticularFloatValue(this.value - other.value); + } + + public FloatValue subtractFrom(ParticularFloatValue other) + { + return new ParticularFloatValue(other.value - this.value); + } + + public FloatValue multiply(ParticularFloatValue other) + { + return new ParticularFloatValue(this.value * other.value); + } + + public FloatValue divide(ParticularFloatValue other) + { + return new ParticularFloatValue(this.value / other.value); + } + + public FloatValue divideOf(ParticularFloatValue other) + { + return new ParticularFloatValue(other.value / this.value); + } + + public FloatValue remainder(ParticularFloatValue other) + { + return new ParticularFloatValue(this.value % other.value); + } + + public FloatValue remainderOf(ParticularFloatValue other) + { + return new ParticularFloatValue(other.value % this.value); + } + + public IntegerValue compare(ParticularFloatValue 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) && + Float.floatToIntBits(this.value) == + Float.floatToIntBits(((ParticularFloatValue)object).value); + } + + + public int hashCode() + { + return super.hashCode() ^ + Float.floatToIntBits(value); + } + + + public String toString() + { + return value+"f"; + } +}
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