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 deviation 26// information (and any user-specified info) for the specified list of reports. 27// If 'reports' contains less than two non-errored runs an empty vector is 28// returned 29BENCHMARK_EXPORT 30std::vector<BenchmarkReporter::Run> ComputeStats( 31 const std::vector<BenchmarkReporter::Run>& reports); 32 33BENCHMARK_EXPORT 34double StatisticsMean(const std::vector<double>& v); 35BENCHMARK_EXPORT 36double StatisticsMedian(const std::vector<double>& v); 37BENCHMARK_EXPORT 38double StatisticsStdDev(const std::vector<double>& v); 39BENCHMARK_EXPORT 40double StatisticsCV(const std::vector<double>& v); 41 42} // end namespace benchmark 43 44#endif // STATISTICS_H_ 45