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Diffstat (limited to 'include/gudhi/Clock.h')
-rw-r--r-- | include/gudhi/Clock.h | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/include/gudhi/Clock.h b/include/gudhi/Clock.h new file mode 100644 index 00000000..04c6ffb9 --- /dev/null +++ b/include/gudhi/Clock.h @@ -0,0 +1,79 @@ +/* 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 Sophia Antipolis-Mediterranee (France) + * + * 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 <boost/date_time/posix_time/posix_time.hpp> + +#include <string> + +class Clock { + public: + Clock() : end_called(false) { + startTime = boost::posix_time::microsec_clock::local_time(); + } + + Clock(const std::string& msg_) { + end_called = false; + begin(); + msg = msg_; + } + + void begin() const { + end_called = false; + startTime = boost::posix_time::microsec_clock::local_time(); + } + + void end() const { + end_called = true; + endTime = boost::posix_time::microsec_clock::local_time(); + } + + void print() const { + std::cout << *this << std::endl; + } + + friend std::ostream& operator<<(std::ostream& stream, const Clock& clock) { + if (!clock.end_called) + clock.end(); + + if (!clock.end_called) { + stream << "end not called"; + } else { + stream << clock.msg << ":" << clock.num_seconds() << "s"; + } + return stream; + } + + double num_seconds() const { + if (!end_called) return -1; + return (endTime - startTime).total_milliseconds() / 1000.; + } + + private: + mutable boost::posix_time::ptime startTime, endTime; + mutable bool end_called; + std::string msg; +}; + +#endif // CLOCK_H_ |