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_Float_info}. 24579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson */ 25579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilsonpublic final class CstFloat 26579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson extends CstLiteral32 { 27579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson /** {@code non-null;} instance representing {@code 0} */ 28579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson public static final CstFloat VALUE_0 = make(Float.floatToIntBits(0.0f)); 29579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson 30579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson /** {@code non-null;} instance representing {@code 1} */ 31579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson public static final CstFloat VALUE_1 = make(Float.floatToIntBits(1.0f)); 32579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson 33579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson /** {@code non-null;} instance representing {@code 2} */ 34579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson public static final CstFloat VALUE_2 = make(Float.floatToIntBits(2.0f)); 35579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson 36579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson /** 37579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * Makes an instance for the given value. This may (but does not 38579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * necessarily) return an already-allocated instance. 39579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * 40579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * @param bits the {@code float} value as {@code int} bits 41579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson */ 42579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson public static CstFloat make(int bits) { 43579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson /* 44579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * Note: Javadoc notwithstanding, this implementation always 45579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * allocates. 46579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson */ 47579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson return new CstFloat(bits); 48579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson } 49579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson 50579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson /** 51579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * Constructs an instance. This constructor is private; use {@link #make}. 52579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * 53579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * @param bits the {@code float} value as {@code int} bits 54579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson */ 55579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson private CstFloat(int bits) { 56579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson super(bits); 57579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson } 58579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson 59579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson /** {@inheritDoc} */ 60579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson @Override 61579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson public String toString() { 62579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson int bits = getIntBits(); 63579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson return "float{0x" + Hex.u4(bits) + " / " + 64579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson Float.intBitsToFloat(bits) + '}'; 65579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson } 66579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson 67579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson /** {@inheritDoc} */ 68579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson public Type getType() { 69579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson return Type.FLOAT; 70579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson } 71579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson 72579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson /** {@inheritDoc} */ 73579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson @Override 74579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson public String typeName() { 75579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson return "float"; 76579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson } 77579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson 78579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson /** {@inheritDoc} */ 79579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson public String toHuman() { 80579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson return Float.toString(Float.intBitsToFloat(getIntBits())); 81579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson } 82579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson 83579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson /** 84579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * Gets the {@code float} value. 85579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * 86579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson * @return the value 87579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson */ 88579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson public float getValue() { 89579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson return Float.intBitsToFloat(getIntBits()); 90579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson } 91579d7739c53a2707ad711a2d2cae46d7d782f06Jesse Wilson} 92