| /* |
| * Copyright (C) 2007 The Android Open Source Project |
| * |
| * 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 android.util; |
| |
| import com.android.layoutlib.bridge.impl.DelegateManager; |
| |
| /** |
| * Delegate implementing the native methods of android.util.FloatMath |
| * |
| * Through the layoutlib_create tool, the original native methods of FloatMath have been replaced |
| * by calls to methods of the same name in this delegate class. |
| * |
| * Because it's a stateless class to start with, there's no need to keep a {@link DelegateManager} |
| * around to map int to instance of the delegate. |
| * |
| */ |
| /*package*/ final class FloatMath_Delegate { |
| |
| /** Prevents instantiation. */ |
| private FloatMath_Delegate() {} |
| |
| /** |
| * Returns the float conversion of the most positive (i.e. closest to |
| * positive infinity) integer value which is less than the argument. |
| * |
| * @param value to be converted |
| * @return the floor of value |
| */ |
| /*package*/ static float floor(float value) { |
| return (float)Math.floor(value); |
| } |
| |
| /** |
| * Returns the float conversion of the most negative (i.e. closest to |
| * negative infinity) integer value which is greater than the argument. |
| * |
| * @param value to be converted |
| * @return the ceiling of value |
| */ |
| /*package*/ static float ceil(float value) { |
| return (float)Math.ceil(value); |
| } |
| |
| /** |
| * Returns the closest float approximation of the sine of the argument. |
| * |
| * @param angle to compute the cosine of, in radians |
| * @return the sine of angle |
| */ |
| /*package*/ static float sin(float angle) { |
| return (float)Math.sin(angle); |
| } |
| |
| /** |
| * Returns the closest float approximation of the cosine of the argument. |
| * |
| * @param angle to compute the cosine of, in radians |
| * @return the cosine of angle |
| */ |
| /*package*/ static float cos(float angle) { |
| return (float)Math.cos(angle); |
| } |
| |
| /** |
| * Returns the closest float approximation of the square root of the |
| * argument. |
| * |
| * @param value to compute sqrt of |
| * @return the square root of value |
| */ |
| /*package*/ static float sqrt(float value) { |
| return (float)Math.sqrt(value); |
| } |
| } |