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-rw-r--r--GudhUI/utils/MClock.h70
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diff --git a/GudhUI/utils/MClock.h b/GudhUI/utils/MClock.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 UTILS_MCLOCK_H_
-#define UTILS_MCLOCK_H_
-
-#include <sys/time.h>
-
-class MClock {
- public:
- MClock() {
- end_called = false;
- begin();
- }
-
- void begin() const {
- end_called = false;
- gettimeofday(&startTime, NULL);
- }
-
- void end() const {
- end_called = true;
- gettimeofday(&endTime, NULL);
- }
-
- friend std::ostream& operator<<(std::ostream& stream, const MClock& clock) {
- // if(!clock.end_called) clock.end();
- if (!clock.end_called) {
- stream << "end not called";
- } else {
- long totalTime = (clock.endTime.tv_sec - clock.startTime.tv_sec) * 1000000L;
- totalTime += (clock.endTime.tv_usec - clock.startTime.tv_usec);
- stream << clock.num_seconds() << "s";
- }
- return stream;
- }
-
- double num_seconds() const {
- if (!end_called) end();
- long totalTime = (endTime.tv_sec - startTime.tv_sec) * 1000000L;
- totalTime += (endTime.tv_usec - startTime.tv_usec);
- return (totalTime / 1000L) / static_cast<double>(1000);
- }
-
- private:
- mutable struct timeval startTime, endTime;
- mutable bool end_called;
-};
-
-#endif // UTILS_MCLOCK_H_