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-rw-r--r--include/gudhi/Clock.h89
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diff --git a/include/gudhi/Clock.h b/include/gudhi/Clock.h
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--- a/include/gudhi/Clock.h
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-/* This file is part of the Gudhi Library. The Gudhi library
- * (Geometric Understanding in Higher Dimensions) is a generic C++
- * library for computational topology.
- *
- * Author(s): David Salinas
- *
- * Copyright (C) 2014 Inria
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- */
-
-#ifndef CLOCK_H_
-#define CLOCK_H_
-
-#include <iostream>
-#include <string>
-#include <chrono>
-
-namespace Gudhi {
-
-class Clock {
- public:
- // Construct and start the timer
- Clock(const std::string& msg_ = std::string())
- : startTime(std::chrono::system_clock::now()),
- end_called(false),
- msg(msg_) { }
-
- // Restart the timer
- void begin() const {
- end_called = false;
- startTime = std::chrono::system_clock::now();
- }
-
- // Stop the timer
- void end() const {
- end_called = true;
- endTime = std::chrono::system_clock::now();
- }
-
- std::string message() const {
- return msg;
- }
-
- // Print current value to std::cout
- void print() const {
- std::cout << *this << std::endl;
- }
-
- friend std::ostream& operator<<(std::ostream& stream, const Clock& clock) {
- if (!clock.msg.empty())
- stream << clock.msg << ": ";
-
- stream << clock.num_seconds() << "s\n";
- return stream;
- }
-
- // Get the number of seconds between the timer start and:
- // - the last call of end() if it was called
- // - or now otherwise. In this case, the timer is not stopped.
- double num_seconds() const {
- if (!end_called) {
- auto end = std::chrono::system_clock::now();
- return std::chrono::duration_cast<std::chrono::milliseconds>(end-startTime).count() / 1000.;
- } else {
- return std::chrono::duration_cast<std::chrono::milliseconds>(endTime-startTime).count() / 1000.;
- }
- }
-
- private:
- mutable std::chrono::time_point<std::chrono::system_clock> startTime, endTime;
- mutable bool end_called;
- std::string msg;
-};
-
-} // namespace Gudhi
-
-#endif // CLOCK_H_