1/*
2 * Copyright (C) 2010 Google Inc.
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
17package benchmarks.regression;
18
19import com.google.caliper.Param;
20import com.google.caliper.Runner;
21import com.google.caliper.SimpleBenchmark;
22
23public class FloatBenchmark extends SimpleBenchmark {
24    private float f = 1.2f;
25    private int i = 1067030938;
26
27    public void timeFloatToIntBits(int reps) {
28        int result = 123;
29        for (int rep = 0; rep < reps; ++rep) {
30            result = Float.floatToIntBits(f);
31        }
32        if (result != i) {
33            throw new RuntimeException(Integer.toString(result));
34        }
35    }
36
37    public void timeFloatToRawIntBits(int reps) {
38        int result = 123;
39        for (int rep = 0; rep < reps; ++rep) {
40            result = Float.floatToRawIntBits(f);
41        }
42        if (result != i) {
43            throw new RuntimeException(Integer.toString(result));
44        }
45    }
46
47    public void timeIntBitsToFloat(int reps) {
48        float result = 123.0f;
49        for (int rep = 0; rep < reps; ++rep) {
50            result = Float.intBitsToFloat(i);
51        }
52        if (result != f) {
53            throw new RuntimeException(Float.toString(result) + " " + Float.floatToRawIntBits(result));
54        }
55    }
56}
57