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/*
* Copyright (C) 2019 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.
*/
public class Main {
public static void assertIntEquals(int expected, int 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 byte loop1() {
byte used1 = 1;
byte used2 = 2;
byte used3 = 3;
byte used4 = 4;
byte invar1 = 15;
byte invar2 = 25;
byte invar3 = 35;
byte invar4 = 45;
for (byte i = 0; i < 127; i++) {
used1 -= (byte)(invar1 + invar2);
used2 *= (byte)(invar2 - invar3);
used3 += (byte)(invar3 * invar4);
used4 /= (byte)(invar1 * invar2 - invar3 + invar4);
}
assertIntEquals((byte)(used1 + used2 + used3 + used4), -123);
return (byte)(used1 + used2 + used3 + used4);
}
public long loop2() {
double used1 = 1;
double used2 = 2;
double used3 = 3;
double used4 = 4;
double invar1 = 234234234234l;
double invar2 = 2523423423423424l;
double invar3 = 35234234234234234l;
double invar4 = 45234234234234234l;
for (double i = 0; i < 10000; i++) {
used1 += invar1 + invar2;
used2 *= invar2 - invar3;
used3 -= invar3 * invar4;
used4 /= invar1 * invar2 - invar3 + invar4;
}
assertLongEquals(Double.doubleToLongBits(used1 + used2 + used3 + used4),
9218868437227405312l);
return Double.doubleToLongBits(used1 + used2 + used3 + used4);
}
public static void main(String[] args) {
byte res = new Main().loop1();
long res1 = new Main().loop2();
}
}
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