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";

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

/Users/lnan/Documents/Projects/Easy3D/easy3d/util/stop_watch.h
/Users/lnan/Documents/Projects/Easy3D/easy3d/util/stop_watch.cpp

Public Member Functions

Detailed Description