blob: 27331353f08c5de7e14311a67cb84d4ae6f6e76e (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
|
/*
* Copyright (C) 2013 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 {
static final long NUM_ITERATIONS = 50000;
static volatile double negInfinity = Double.NEGATIVE_INFINITY;
public static void main(String args[]) {
test1();
test2();
test3();
}
public static void test1() {
long sumInf = 0;
long sumRes = 0;
for (long i = 0 ; i < NUM_ITERATIONS ; i++) {
//Every second iteration, sumInf becomes 0
sumInf += (long) negInfinity;
//Some extra work for compilers to make this
//loop seem important
if (sumInf == Long.MIN_VALUE) {
sumRes++;
}
}
if (sumRes == NUM_ITERATIONS / 2) {
System.out.println("Iteration Result is as expected");
} else {
System.out.println("Conversions failed over " + NUM_ITERATIONS + " iterations");
}
}
public static void test2() {
long a = 1L;
long b = 2L;
float inter3 = a;
float inter4 = b;
System.out.println("inter4:" + inter4);
}
public static void test3() {
double d = Long.MAX_VALUE;
System.out.println("max_long:" + (long)d);
}
}
|
