| // Copyright 2020 The Bazel Authors. All rights reserved. |
| // |
| // 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 com.google.devtools.build.android.r8.testdata.arithmetic; |
| |
| import java.util.Arrays; |
| |
| /** Test class */ |
| @SuppressWarnings("PrivateConstructorForUtilityClass") |
| public class Arithmetic { |
| static void addInts(int[] ints) { |
| int result = 0; |
| for (int i : ints) { |
| result += i; |
| } |
| System.out.println("addInts: " + Arrays.toString(ints) + " = " + result); |
| } |
| |
| static void addDoubles(double[] doubles) { |
| double result = 0; |
| for (double d : doubles) { |
| result += d; |
| } |
| System.out.println("addDoubles: " + Arrays.toString(doubles) + " = " + result); |
| } |
| |
| static void addLongs(long[] longs) { |
| long result = 0; |
| for (long l : longs) { |
| result += l; |
| } |
| System.out.println("addLongs: " + Arrays.toString(longs) + " = " + result); |
| } |
| |
| @SuppressWarnings("IdentityBinaryExpression") |
| static void binaryOps() { |
| int i = 0; |
| System.out.println("i values:"); |
| i = i + 1; |
| System.out.println(i); |
| i = 1 + i; |
| System.out.println(i); |
| i = i * 4; |
| System.out.println(i); |
| i = i * i; |
| System.out.println(i); |
| i = 4 * i; |
| System.out.println(i); |
| i = i / 4; |
| System.out.println(i); |
| i = i / i; |
| System.out.println(i); |
| i = i % i; |
| System.out.println(i); |
| |
| long l = 0; |
| System.out.println("l values:"); |
| l = l + 1; |
| System.out.println(l); |
| l = 1 + l; |
| System.out.println(l); |
| l = l * 4; |
| System.out.println(l); |
| l = l * l; |
| System.out.println(l); |
| l = 4 * l; |
| System.out.println(l); |
| l = l / 4; |
| System.out.println(l); |
| l = l / l; |
| System.out.println(l); |
| l = l % l; |
| System.out.println(l); |
| |
| double d = 0.0; |
| System.out.println("d values: "); |
| d = d + 1.0; |
| System.out.println(d); |
| d = 1.0 + d; |
| System.out.println(d); |
| d = d * 4.0; |
| System.out.println(d); |
| d = d * d; |
| System.out.println(d); |
| d = 4.0 * d; |
| System.out.println(d); |
| d = d / 4.0; |
| System.out.println(d); |
| d = d / d; |
| System.out.println(d); |
| d = d % d; |
| System.out.println(d); |
| |
| float f = 0.0f; |
| System.out.println("f values: "); |
| f = f + 1.0f; |
| System.out.println(f); |
| f = 1.0f + f; |
| System.out.println(f); |
| f = f * 4.0f; |
| System.out.println(f); |
| f = f * f; |
| System.out.println(f); |
| f = 4.0f * f; |
| System.out.println(f); |
| f = f / 4.0f; |
| System.out.println(f); |
| f = f / f; |
| System.out.println(f); |
| f = f % f; |
| System.out.println(f); |
| } |
| |
| public static void moreOps() { |
| int a = 42; |
| int b = -a; |
| int shiftLeftA = a << 5; |
| int shiftRightA = a >> 5; |
| int uShiftRightA = -a >>> 5; |
| System.out.println(a + b + shiftLeftA + shiftRightA + uShiftRightA); |
| float c = 42.42f; |
| float d = -c; |
| System.out.println(c + d); |
| double e = 43.43; |
| double f = -e; |
| System.out.println(e + f); |
| long g = 5000000000L; |
| long h = -g; |
| long shiftLeftG = g << 8; |
| long shiftRightG = g >> 8; |
| long uShiftRightG = -g >>> 8; |
| System.out.println(g + h + shiftLeftG + shiftRightG + uShiftRightG); |
| } |
| |
| public static void bitwiseInts(int x, int y) { |
| System.out.println(x & y); |
| System.out.println(x | y); |
| System.out.println(x ^ y); |
| System.out.println(~x); |
| } |
| |
| public static void bitwiseLongs(long x, long y) { |
| System.out.println(x & y); |
| System.out.println(x | y); |
| System.out.println(x ^ y); |
| System.out.println(~x); |
| } |
| |
| public static void main(String[] args) { |
| addInts(new int[] {}); |
| addInts(new int[] {1}); |
| addInts(new int[] {0, 1, 2, 3}); |
| addDoubles(new double[] {0.0}); |
| addDoubles(new double[] {0.0, 1.0, 2.0}); |
| addDoubles(new double[] {0.0, 1.0, 2.0, 3.0}); |
| long l = 0x0000000100000000L; |
| addLongs(new long[] {}); |
| addLongs(new long[] {l}); |
| addLongs(new long[] {l, l + 1, l + 2}); |
| binaryOps(); |
| moreOps(); |
| bitwiseInts(12345, 54321); |
| bitwiseLongs(54321, 12345); |
| } |
| } |