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 23 namespace 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 29 BENCHMARK_EXPORT 30 std::vector<BenchmarkReporter::Run> ComputeStats( 31 const std::vector<BenchmarkReporter::Run>& reports); 32 33 BENCHMARK_EXPORT 34 double StatisticsMean(const std::vector<double>& v); 35 BENCHMARK_EXPORT 36 double StatisticsMedian(const std::vector<double>& v); 37 BENCHMARK_EXPORT 38 double StatisticsStdDev(const std::vector<double>& v); 39 BENCHMARK_EXPORT 40 double StatisticsCV(const std::vector<double>& v); 41 42 } // end namespace benchmark 43 44 #endif // STATISTICS_H_ 45