StopWatch Class Reference

A high resolution stop watch/timer. More...

#include <easy3d/util/stop_watch.h>

Public Member Functions
	StopWatch ()
	default constructor. The watch will automatically start after construction.
	~StopWatch ()=default
	destructor.
void	start ()
	starts the timer
void	restart ()
	restarts the timer. It has the same effect as start()
double	elapsed_seconds (int num_digits=1) const
	returns user elapsed time (in seconds) since the construction / start.
std::string	time_string (int num_digits=1) const
	the elapsed time string, e.g., 88ms, 2.3s, 1.7m, 0.1h. This function automatically determines the best unit.

Detailed Description

A high resolution stop watch/timer.

This timer is able to measure the elapsed time with 1 micro-second accuracy on Windows, Linux, and Unix. Usage example:

StopWatch w ;
// do task_1 ...
LOG(INFO) << "task_1 done. Time: " << w.time_string() << " seconds";
w.start();
// do task_2 ...
LOG(INFO) << "task_2 done. Time: " << w.time_string() << " seconds";

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The documentation for this class was generated from the following files:

• G:/3_code/Easy3D/easy3d/util/stop_watch.h
• G:/3_code/Easy3D/easy3d/util/stop_watch.cpp