Timer.hpp

//
//  Timer.hpp
//
//  Created by rick gessner on 5/25/19.
//  Copyright © 2019 rick gessner. All rights reserved.
//

#ifndef Timer_h
#define Timer_h

#include <chrono>

namespace ECE141 {

    class Timer {
    public:
        Timer() {
            stopped=started=std::chrono::high_resolution_clock::now();
        };

        Timer& start() {
            started=std::chrono::high_resolution_clock::now();
            return *this;
        }

        Timer& stop() {
            stopped=std::chrono::high_resolution_clock::now();
            return *this;
        }

        double elapsed() {
            if(started!=stopped) {
                std::chrono::duration<double> elapsed = stopped - started;
                return elapsed.count();
            }
            return 0.0;
        }

        std::chrono::time_point<std::chrono::high_resolution_clock> started;
        std::chrono::time_point<std::chrono::high_resolution_clock> stopped;
    };
}

#endif /* Timer_h */