timer.h

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#ifndef CHEBYSHEV_TIMER_H
#define CHEBYSHEV_TIMER_H
 
#include <chrono>
 
 
namespace chebyshev {
 
    namespace benchmark {
 
        class timer {
            private:
                std::chrono::time_point<std::chrono::high_resolution_clock> s;
 
            public:
 
                timer() {
                    start();
                }
 
 
                void start() {
                    s = std::chrono::high_resolution_clock::now();
                }
 
 
                inline long double get() const {
 
                    auto start = std::chrono::time_point_cast<std::chrono::milliseconds>(s)
                                    .time_since_epoch();
 
                    auto end = std::chrono::time_point_cast<std::chrono::milliseconds>(
                                std::chrono::high_resolution_clock::now())
                                    .time_since_epoch();
 
                    return (long double) (end - start).count();
                }
 
 
                inline long double operator()() {
                    return get();
                }
            
        };
 
    }
}
 
#endif