1579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson/* 2579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * Copyright (C) 2007 The Android Open Source Project 3579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * 4579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * Licensed under the Apache License, Version 2.0 (the "License"); 5579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * you may not use this file except in compliance with the License. 6579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * You may obtain a copy of the License at 7579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * 8579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * http://www.apache.org/licenses/LICENSE-2.0 9579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * 10579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * Unless required by applicable law or agreed to in writing, software 11579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * distributed under the License is distributed on an "AS IS" BASIS, 12579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * See the License for the specific language governing permissions and 14579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * limitations under the License. 15579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson */ 16579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson 17579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilsonpackage com.android.dx.rop.cst; 18579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson 19579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilsonimport com.android.dx.rop.type.Type; 20579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilsonimport com.android.dx.util.Hex; 21579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson 22579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson/** 23579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * Constants of type {@code CONSTANT_Double_info}. 24579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson */ 25579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilsonpublic final class CstDouble 26579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson extends CstLiteral64 { 27579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson /** {@code non-null;} instance representing {@code 0} */ 28579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson public static final CstDouble VALUE_0 = 29579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson new CstDouble(Double.doubleToLongBits(0.0)); 30579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson 31579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson /** {@code non-null;} instance representing {@code 1} */ 32579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson public static final CstDouble VALUE_1 = 33579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson new CstDouble(Double.doubleToLongBits(1.0)); 34579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson 35579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson /** 36579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * Makes an instance for the given value. This may (but does not 37579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * necessarily) return an already-allocated instance. 38579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * 39579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * @param bits the {@code double} value as {@code long} bits 40579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson */ 41579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson public static CstDouble make(long bits) { 42579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson /* 43579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * Note: Javadoc notwithstanding, this implementation always 44579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * allocates. 45579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson */ 46579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson return new CstDouble(bits); 47579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson } 48579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson 49579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson /** 50579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * Constructs an instance. This constructor is private; use {@link #make}. 51579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * 52579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * @param bits the {@code double} value as {@code long} bits 53579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson */ 54579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson private CstDouble(long bits) { 55579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson super(bits); 56579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson } 57579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson 58579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson /** {@inheritDoc} */ 59579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson @Override 60579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson public String toString() { 61579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson long bits = getLongBits(); 62579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson return "double{0x" + Hex.u8(bits) + " / " + 63579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson Double.longBitsToDouble(bits) + '}'; 64579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson } 65579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson 66579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson /** {@inheritDoc} */ 67579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson public Type getType() { 68579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson return Type.DOUBLE; 69579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson } 70579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson 71579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson /** {@inheritDoc} */ 72579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson @Override 73579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson public String typeName() { 74579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson return "double"; 75579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson } 76579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson 77579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson /** {@inheritDoc} */ 78579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson public String toHuman() { 79579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson return Double.toString(Double.longBitsToDouble(getLongBits())); 80579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson } 81579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson 82579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson /** 83579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * Gets the {@code double} value. 84579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * 85579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * @return the value 86579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson */ 87579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson public double getValue() { 88579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson return Double.longBitsToDouble(getLongBits()); 89579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson } 90579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson} 91