1 /* 2 * Copyright 2012, Google Inc. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are 7 * met: 8 * 9 * * Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * * Redistributions in binary form must reproduce the above 12 * copyright notice, this list of conditions and the following disclaimer 13 * in the documentation and/or other materials provided with the 14 * distribution. 15 * * Neither the name of Google Inc. nor the names of its 16 * contributors may be used to endorse or promote products derived from 17 * this software without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 20 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 21 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 22 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 23 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 24 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 25 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 29 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 package org.jf.dexlib2.iface.value; 33 34 import javax.annotation.Nonnull; 35 import javax.annotation.Nullable; 36 37 /** 38 * This class represents an encoded float value. 39 */ 40 public interface FloatEncodedValue extends EncodedValue { 41 /** 42 * Gets the float value. 43 * 44 * @return the float value 45 */ getValue()46 float getValue(); 47 48 /** 49 * Returns a hashcode for this EncodedFloatValue. 50 * 51 * This hashCode is defined to be the following: 52 * 53 * <pre> 54 * {@code 55 * int hashCode = Float.floatToRawIntBits(getValue()); 56 * }</pre> 57 * 58 * Note: This is slightly different than the definition of Float.hashCode(). This uses floatToRawIntBits() 59 * instead of floatToIntBits(), in order to preserve as much information as possible. 60 * 61 * @return The hash code value for this EncodedFloatValue 62 */ hashCode()63 @Override int hashCode(); 64 65 /** 66 * Compares this FloatEncodedValue to another FloatEncodedValue for equality. 67 * 68 * This FloatEncodedValue is equal to another FloatEncodedValue if the values returned by 69 * getValue().floatToRawIntBits() are equal. 70 * 71 * Note: this isn't quite the same as getValue() == getValue(), due to various NaN issues and signed zero issues. 72 * 73 * @param o The object to be compared for equality with this FloatEncodedValue 74 * @return true if the specified object is equal to this FloatEncodedValue 75 */ equals(@ullable Object o)76 @Override boolean equals(@Nullable Object o); 77 78 /** 79 * Compare this FloatEncodedValue to another EncodedValue. 80 * 81 * The comparison is first done on the return values of getValueType(). If the other value is another 82 * FloatEncodedValue, the return values of getValue() are compared, using the semantics of Float.compare() 83 * 84 * @param o The EncodedValue to compare with this FloatEncodedValue 85 * @return An integer representing the result of the comparison 86 */ compareTo(@onnull EncodedValue o)87 @Override int compareTo(@Nonnull EncodedValue o); 88 } 89