1 /*
2 * Copyright (C) 2013 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 */
17 #include "benchmark.h"
19 #include <math.h>
21 // Avoid optimization.
22 double d;
23 double v;
25 static void BM_math_sqrt(int iters) {
26 StartBenchmarkTiming();
28 d = 0.0;
29 v = 2.0;
30 for (int i = 0; i < iters; ++i) {
31 d += sqrt(v);
32 }
34 StopBenchmarkTiming();
35 }
36 BENCHMARK(BM_math_sqrt);
38 static void BM_math_log10(int iters) {
39 StartBenchmarkTiming();
41 d = 0.0;
42 v = 1234.0;
43 for (int i = 0; i < iters; ++i) {
44 d += log10(v);
45 }
47 StopBenchmarkTiming();
48 }
49 BENCHMARK(BM_math_log10);
51 static void BM_math_logb(int iters) {
52 StartBenchmarkTiming();
54 d = 0.0;
55 v = 1234.0;
56 for (int i = 0; i < iters; ++i) {
57 d += logb(v);
58 }
60 StopBenchmarkTiming();
61 }
62 BENCHMARK(BM_math_logb);