| /* | |
| * Copyright (C) 2017 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. | |
| */ | |
| class Main { | |
| final static int iterations = 10; | |
| public static void assertIntEquals(int expected, int result) { | |
| if (expected != result) { | |
| throw new Error("Expected: " + expected + ", found: " + result); | |
| } | |
| } | |
| public static void assertDoubleEquals(double expected, double result) { | |
| if (expected != result) { | |
| throw new Error("Expected: " + expected + ", found: " + result); | |
| } | |
| } | |
| public static void assertFloatEquals(float expected, float result) { | |
| if (expected != result) { | |
| throw new Error("Expected: " + expected + ", found: " + result); | |
| } | |
| } | |
| public static void assertLongEquals(long expected, long result) { | |
| if (expected != result) { | |
| throw new Error("Expected: " + expected + ", found: " + result); | |
| } | |
| } | |
| public static long simpleMethod(long jj, long kk) { | |
| jj = jj >>> kk; | |
| return jj; | |
| } | |
| public static int simpleMethod1(int jj, int kk) { | |
| jj = jj << kk; | |
| jj = jj << kk; | |
| return jj; | |
| } | |
| public static float simpleMethod2(float jj, float ii) { | |
| jj = ii / jj; | |
| jj = jj / ii; | |
| return jj; | |
| } | |
| public static void main(String[] args) { | |
| long workJ = 0xFFEFAAAA; | |
| long workK = 0xF8E9BBBB; | |
| int workJ1 = 0xFFEF; | |
| int workK1 = 0xF8E9; | |
| float workJ2 = 10.0f; | |
| float workK2 = 15.0f; | |
| for (long i = 0; i < iterations; i++) { | |
| workJ = simpleMethod(workJ, workK) + i; | |
| } | |
| assertLongEquals(workJ, 9); | |
| for (int i = 0; i < iterations; i++) { | |
| workJ1 = simpleMethod1(workJ1, workK1) + i; | |
| } | |
| assertIntEquals(workJ1, 2097161); | |
| for (float i = 0.0f; i < iterations; i++) { | |
| workJ2 = simpleMethod2(workJ2, workK2) + i; | |
| } | |
| assertFloatEquals(workJ2, 9.122855f); | |
| } | |
| } |