Timer.hpp

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#ifndef SRC_DATA_UTILS_TIMER_HPP_
#define SRC_DATA_UTILS_TIMER_HPP_

namespace mic {
namespace utils {

class Timer {

    public:

        Timer() = default;
        ~Timer() = default;

        void start(void) {

            gettimeofday(&s, NULL);
        }

        double end(void) {

            struct timeval  diff_tv;
            gettimeofday(&e, NULL);

            diff_tv.tv_usec = e.tv_usec - s.tv_usec;
            diff_tv.tv_sec = e.tv_sec - s.tv_sec;

            if (s.tv_usec > e.tv_usec) {
                diff_tv.tv_usec += 1000000;
                diff_tv.tv_sec--;
            }

            return (double) diff_tv.tv_sec + ( (double) diff_tv.tv_usec / 1000000.0);

        }

    protected:

        struct timeval s;
        struct timeval e;
};

}//: namespace utils
}//: namespace mic


#endif /* SRC_DATA_UTILS_TIMER_HPP_ */