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ProGuardCORE is a free library to read, analyze, modify, and write Java class files.

There is a newer version: 9.1.6

/*
 * ProGuardCORE -- library to process Java bytecode.
 *
 * Copyright (c) 2002-2020 Guardsquare NV
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package proguard.evaluation.value;

/**
 * {@link DoubleValue} that is unknown.
 *
 * @author Eric Lafortune
 */
public class UnknownDoubleValue extends DoubleValue {
  // Basic unary methods.

  public DoubleValue negate() {
    return this;
  }

  public IntegerValue convertToInteger() {
    return BasicValueFactory.INTEGER_VALUE;
  }

  public LongValue convertToLong() {
    return BasicValueFactory.LONG_VALUE;
  }

  public FloatValue convertToFloat() {
    return BasicValueFactory.FLOAT_VALUE;
  }

  // Basic binary methods.

  public DoubleValue generalize(DoubleValue other) {
    return this;
  }

  public DoubleValue add(DoubleValue other) {
    return this;
  }

  public DoubleValue subtract(DoubleValue other) {
    return this;
  }

  public DoubleValue subtractFrom(DoubleValue other) {
    return this;
  }

  public DoubleValue multiply(DoubleValue other) {
    return this;
  }

  public DoubleValue divide(DoubleValue other) {
    return this;
  }

  public DoubleValue divideOf(DoubleValue other) {
    return this;
  }

  public DoubleValue remainder(DoubleValue other) {
    return this;
  }

  public DoubleValue remainderOf(DoubleValue other) {
    return this;
  }

  public IntegerValue compare(DoubleValue other) {
    return BasicValueFactory.INTEGER_VALUE;
  }

  // Implementations for Object.

  public boolean equals(Object object) {
    return object != null && this.getClass() == object.getClass();
  }

  public int hashCode() {
    return this.getClass().hashCode();
  }

  public String toString() {
    return "d";
  }
}