CstFloat.java revision 579d7739c53a2707ad711a2d2cae46d7d782f061
15821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)/* 25821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * Copyright (C) 2007 The Android Open Source Project 35821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * 45821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * Licensed under the Apache License, Version 2.0 (the "License"); 55821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * you may not use this file except in compliance with the License. 65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * You may obtain a copy of the License at 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * 85821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * http://www.apache.org/licenses/LICENSE-2.0 95821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * 105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * Unless required by applicable law or agreed to in writing, software 115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * distributed under the License is distributed on an "AS IS" BASIS, 125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * See the License for the specific language governing permissions and 145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * limitations under the License. 155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) */ 165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)package com.android.dx.rop.cst; 185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)import com.android.dx.rop.type.Type; 205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)import com.android.dx.util.Hex; 215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)/** 235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * Constants of type {@code CONSTANT_Float_info}. 245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) */ 257d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles)public final class CstFloat 265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) extends CstLiteral32 { 275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) /** {@code non-null;} instance representing {@code 0} */ 285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) public static final CstFloat VALUE_0 = make(Float.floatToIntBits(0.0f)); 29 30 /** {@code non-null;} instance representing {@code 1} */ 31 public static final CstFloat VALUE_1 = make(Float.floatToIntBits(1.0f)); 32 33 /** {@code non-null;} instance representing {@code 2} */ 34 public static final CstFloat VALUE_2 = make(Float.floatToIntBits(2.0f)); 35 36 /** 37 * Makes an instance for the given value. This may (but does not 38 * necessarily) return an already-allocated instance. 39 * 40 * @param bits the {@code float} value as {@code int} bits 41 */ 42 public static CstFloat make(int bits) { 43 /* 44 * Note: Javadoc notwithstanding, this implementation always 45 * allocates. 46 */ 47 return new CstFloat(bits); 48 } 49 50 /** 51 * Constructs an instance. This constructor is private; use {@link #make}. 52 * 53 * @param bits the {@code float} value as {@code int} bits 54 */ 55 private CstFloat(int bits) { 56 super(bits); 57 } 58 59 /** {@inheritDoc} */ 60 @Override 61 public String toString() { 62 int bits = getIntBits(); 63 return "float{0x" + Hex.u4(bits) + " / " + 64 Float.intBitsToFloat(bits) + '}'; 65 } 66 67 /** {@inheritDoc} */ 68 public Type getType() { 69 return Type.FLOAT; 70 } 71 72 /** {@inheritDoc} */ 73 @Override 74 public String typeName() { 75 return "float"; 76 } 77 78 /** {@inheritDoc} */ 79 public String toHuman() { 80 return Float.toString(Float.intBitsToFloat(getIntBits())); 81 } 82 83 /** 84 * Gets the {@code float} value. 85 * 86 * @return the value 87 */ 88 public float getValue() { 89 return Float.intBitsToFloat(getIntBits()); 90 } 91} 92