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//
// Created by Keuin on 2022/4/11.
//
#ifndef RT_TIMER_H
#define RT_TIMER_H
#include <iostream>
#include <chrono>
class timer {
private:
typeof(std::chrono::system_clock::now()) start_time;
public:
void start_measure() {
fprintf(stderr, "Start timing...\n");
start_time = std::chrono::system_clock::now();
}
void stop_measure() {
const auto end = std::chrono::system_clock::now();
const auto duration = std::chrono::duration_cast<std::chrono::nanoseconds>(end - start_time);
const auto secs = 1e-3 * duration.count() * std::chrono::microseconds::period::num / std::chrono::microseconds::period::den;
fprintf(stderr, "Stop timing. Duration: %fs\n", secs);
}
};
#endif //RT_TIMER_H
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