blob: 3568e1c56d2bd628e29a3b5f945f0582bf6d78ae [file] [log] [blame]
anuvarsh04968fa2019-06-11 14:38:51 +05301/*
2 * Copyright (C) 2017 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17class Main {
18 final static int iterations = 10;
19
20 public static void assertIntEquals(int expected, int result) {
21 if (expected != result) {
22 throw new Error("Expected: " + expected + ", found: " + result);
23 }
24 }
25
26 public static void assertDoubleEquals(double expected, double result) {
27 if (expected != result) {
28 throw new Error("Expected: " + expected + ", found: " + result);
29 }
30 }
31
32 public static void assertFloatEquals(float expected, float result) {
33 if (expected != result) {
34 throw new Error("Expected: " + expected + ", found: " + result);
35 }
36 }
37
38 public static void assertLongEquals(long expected, long result) {
39 if (expected != result) {
40 throw new Error("Expected: " + expected + ", found: " + result);
41 }
42 }
43
44
45 public static long simpleMethod(long jj, long kk) {
46 jj = jj >>> kk;
47 return jj;
48 }
49 public static int simpleMethod1(int jj, int kk) {
50 jj = jj << kk;
51 jj = jj << kk;
52 return jj;
53 }
54 public static float simpleMethod2(float jj, float ii) {
55 jj = ii / jj;
56 jj = jj / ii;
57 return jj;
58 }
59
60 public static void main(String[] args) {
61 long workJ = 0xFFEFAAAA;
62 long workK = 0xF8E9BBBB;
63 int workJ1 = 0xFFEF;
64 int workK1 = 0xF8E9;
65 float workJ2 = 10.0f;
66 float workK2 = 15.0f;
67
68
69
70 for (long i = 0; i < iterations; i++) {
71 workJ = simpleMethod(workJ, workK) + i;
72 }
73 assertLongEquals(workJ, 9);
74
75 for (int i = 0; i < iterations; i++) {
76 workJ1 = simpleMethod1(workJ1, workK1) + i;
77 }
78 assertIntEquals(workJ1, 2097161);
79
80 for (float i = 0.0f; i < iterations; i++) {
81 workJ2 = simpleMethod2(workJ2, workK2) + i;
82 }
83 assertFloatEquals(workJ2, 9.122855f);
84 }
85}