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// |
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// Copyright (c) 2017 CNRS |
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// |
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// This file is part of tsid |
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// tsid is free software: you can redistribute it |
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// and/or modify it under the terms of the GNU Lesser General Public |
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// License as published by the Free Software Foundation, either version |
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// 3 of the License, or (at your option) any later version. |
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// tsid is distributed in the hope that it will be |
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// useful, but WITHOUT ANY WARRANTY; without even the implied warranty |
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// of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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// General Lesser Public License for more details. You should have |
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// received a copy of the GNU Lesser General Public License along with |
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// tsid If not, see |
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// <http://www.gnu.org/licenses/>. |
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// |
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#include <iomanip> // std::setprecision |
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#include "tsid/utils/statistics.hpp" |
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using std::map; |
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using std::ostringstream; |
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using std::string; |
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Statistics& getStatistics() { |
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static Statistics s; |
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return s; |
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} |
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Statistics::Statistics() : active(true) { |
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records_of = new map<string, QuantityData>(); |
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} |
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Statistics::~Statistics() { delete records_of; } |
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bool Statistics::quantity_exists(string name) { |
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return (records_of->find(name) != records_of->end()); |
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} |
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void Statistics::store(string name, const double& value) { |
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if (!active) return; |
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// Just works if not already present |
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records_of->insert(make_pair(name, QuantityData())); |
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QuantityData& quant_info = records_of->find(name)->second; |
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quant_info.stops++; |
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// Update last value |
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quant_info.last = value; |
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// Update min/max |
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if (value >= quant_info.max) quant_info.max = value; |
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if (value <= quant_info.min || quant_info.min == 0) quant_info.min = value; |
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// Update total |
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quant_info.total += value; |
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} |
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void Statistics::reset_all() { |
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if (!active) return; |
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map<string, QuantityData>::iterator it; |
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for (it = records_of->begin(); it != records_of->end(); ++it) { |
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reset(it->first); |
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} |
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} |
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void Statistics::report_all(int precision, std::ostream& output) { |
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if (!active) return; |
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output |
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<< "\n*** STATISTICS (min - avg - max - last - nSamples - total) ***\n"; |
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map<string, QuantityData>::iterator it; |
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for (it = records_of->begin(); it != records_of->end(); ++it) { |
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if (it->second.stops > 0) report(it->first, precision, output); |
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} |
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} |
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void Statistics::reset(string name) { |
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if (!active) return; |
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// Try to recover Quantity data |
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if (!quantity_exists(name)) |
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throw StatisticsException("Quantity not initialized."); |
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QuantityData& quant_info = records_of->find(name)->second; |
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quant_info.total = 0; |
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quant_info.min = 0; |
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quant_info.max = 0; |
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quant_info.last = 0; |
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quant_info.stops = 0; |
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} |
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void Statistics::turn_on() { |
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std::cout << "Statistics active." << std::endl; |
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active = true; |
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} |
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void Statistics::turn_off() { |
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std::cout << "Statistics inactive." << std::endl; |
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active = false; |
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} |
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void Statistics::report(string name, int precision, std::ostream& output) { |
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if (!active) return; |
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// Try to recover Quantity data |
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if (!quantity_exists(name)) |
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throw StatisticsException("Quantity not initialized."); |
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QuantityData& quant_info = records_of->find(name)->second; |
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string pad = ""; |
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for (std::string::size_type i = name.length(); i < STATISTICS_MAX_NAME_LENGTH; |
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i++) |
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pad.append(" "); |
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output << name << pad; |
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output << std::fixed << std::setprecision(precision) << (quant_info.min) |
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<< "\t"; |
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output << std::fixed << std::setprecision(precision) |
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<< (quant_info.total / (long double)quant_info.stops) << "\t"; |
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output << std::fixed << std::setprecision(precision) << (quant_info.max) |
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<< "\t"; |
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output << std::fixed << std::setprecision(precision) << (quant_info.last) |
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<< "\t"; |
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output << std::fixed << std::setprecision(precision) << quant_info.stops |
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<< "\t"; |
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output << std::fixed << std::setprecision(precision) << quant_info.total |
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<< std::endl; |
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} |
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long double Statistics::get_total(string name) { |
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// Try to recover Quantity data |
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if (!quantity_exists(name)) |
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throw StatisticsException("Quantity not initialized."); |
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QuantityData& quant_info = records_of->find(name)->second; |
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return quant_info.total; |
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} |
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long double Statistics::get_average(string name) { |
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// Try to recover Quantity data |
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if (!quantity_exists(name)) |
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throw StatisticsException("Quantity not initialized."); |
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QuantityData& quant_info = records_of->find(name)->second; |
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return (quant_info.total / (long double)quant_info.stops); |
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} |
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long double Statistics::get_min(string name) { |
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// Try to recover Quantity data |
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if (!quantity_exists(name)) |
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throw StatisticsException("Quantity not initialized."); |
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QuantityData& quant_info = records_of->find(name)->second; |
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return quant_info.min; |
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} |
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long double Statistics::get_max(string name) { |
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// Try to recover Quantity data |
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if (!quantity_exists(name)) |
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throw StatisticsException("Quantity not initialized."); |
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QuantityData& quant_info = records_of->find(name)->second; |
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return quant_info.max; |
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} |
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long double Statistics::get_last(string name) { |
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// Try to recover Quantity data |
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if (!quantity_exists(name)) |
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throw StatisticsException("Quantity not initialized."); |
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QuantityData& quant_info = records_of->find(name)->second; |
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return quant_info.last; |
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} |
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