1// Copyright 2016 Ismael Jimenez Martinez. All rights reserved.
2// Copyright 2017 Roman Lebedev. All rights reserved.
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#ifndef STATISTICS_H_
17#define STATISTICS_H_
18
19#include <vector>
20
21#include "benchmark/benchmark.h"
22
23namespace benchmark {
24
25// Return a vector containing the mean, median and standard devation information
26// (and any user-specified info) for the specified list of reports. If 'reports'
27// contains less than two non-errored runs an empty vector is returned
28std::vector<BenchmarkReporter::Run> ComputeStats(
29 const std::vector<BenchmarkReporter::Run>& reports);
30
31double StatisticsMean(const std::vector<double>& v);
32double StatisticsMedian(const std::vector<double>& v);
33double StatisticsStdDev(const std::vector<double>& v);
34double StatisticsCV(const std::vector<double>& v);
35
36} // end namespace benchmark
37
38#endif // STATISTICS_H_
39