/***********************************************************
|
* Date: 2016-06-30
|
*
|
* Author: 牟韵
|
*
|
* Email: mouyun1115@163.com
|
*
|
* Module: 计时器
|
*
|
* Brief:
|
*
|
* Note:
|
*
|
* CodePage: Pure UTF-8
|
************************************************************/
|
#ifndef __MY_TIMER_HPP_BY_MOUYUN_2014_09_28__
|
#define __MY_TIMER_HPP_BY_MOUYUN_2014_09_28__
|
|
#include <chrono>
|
|
namespace my_module_space
|
{
|
class Timer
|
{
|
public:
|
Timer() : m_begin(std::chrono::high_resolution_clock::now()) {}
|
~Timer() {}
|
|
private:
|
Timer(const Timer&) = delete;
|
Timer(Timer&&) = delete;
|
Timer operator=(const Timer&) = delete;
|
|
public:
|
void reset()
|
{
|
m_begin = std::chrono::high_resolution_clock::now();
|
}
|
|
double tell_s() const
|
{
|
return std::chrono::duration_cast<std::chrono::duration<double> >(std::chrono::high_resolution_clock::now() - m_begin).count();
|
}
|
|
long long tell_ms() const
|
{
|
return std::chrono::duration_cast<std::chrono::milliseconds>(std::chrono::high_resolution_clock::now() - m_begin).count();
|
}
|
|
long long tell_us() const
|
{
|
return std::chrono::duration_cast<std::chrono::microseconds>(std::chrono::high_resolution_clock::now() - m_begin).count();
|
}
|
|
long long tell_ns() const
|
{
|
return std::chrono::duration_cast<std::chrono::nanoseconds>(std::chrono::high_resolution_clock::now() - m_begin).count();
|
}
|
|
private:
|
std::chrono::time_point<std::chrono::high_resolution_clock> m_begin;
|
};
|
}
|
|
#endif
|
