timer.hpp
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timer.hpp
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			#ifndef SPECMICP_UTILS_TIMER_HPP
			#define SPECMICP_UTILS_TIMER_HPP

			#include <chrono>
			#include <ctime>

			namespace specmicp {

			//! \brief A simple timer
			class Timer
			{
			public:
			//! \brief Start the timer
			void start() {
			m_start = std::chrono::system_clock::now();
			}
			//! \brief Stop the timer
			void stop() {
			m_end = std::chrono::system_clock::now();
			}

			//! \brief Return the time of the starting point
			std::time_t get_start() const {
			return std::chrono::system_clock::to_time_t(m_start);
			}

			//! \brief Return the time of the ending point
			std::time_t get_stop() const {
			return std::chrono::system_clock::to_time_t(m_end);
			}

			//! \brief Return a textual representation of the starting point
			char* get_ctime_start() const {
			std::time_t start_time = get_start();
			return std::ctime(&start_time);
			}

			//! \brief Return a textual representation of the ending point
			char* get_ctime_stop() const {
			std::time_t stop_time = get_stop();
			return std::ctime(&stop_time);
			}

			//! \brief Return the elapsed time (in seconds)
			double elapsed_time() const {
			std::chrono::duration<double> elapsed_seconds = m_end-m_start;
			return elapsed_seconds.count();
			}

			private:
			std::chrono::time_point<std::chrono::system_clock> m_start;
			std::chrono::time_point<std::chrono::system_clock> m_end;
			};

			} // end namespace specmicp

			#endif // SPECMICP_UTILS_TIMER_HPP