[Csp-commits] svn:csp r1265 - in trunk/CSP/SimData: . Include/SimData

[<sv...@ww...>]

Author: mkrose
Date: 2004-09-30 00:20:48 -0700 (Thu, 30 Sep 2004)
New Revision: 1265

Modified:
   trunk/CSP/SimData/CHANGES.current
   trunk/CSP/SimData/Include/SimData/Timing.h
Log:
Add a timer class to wrap get_realtime with basic stopwatch functions.

Browse at: https://www.zerobar.net/viewcvs/viewcvs.cgi?view=rev&rev=1265

Modified: trunk/CSP/SimData/CHANGES.current
===================================================================
--- trunk/CSP/SimData/CHANGES.current	2004-09-30 07:19:09 UTC (rev 1264)
+++ trunk/CSP/SimData/CHANGES.current	2004-09-30 07:20:48 UTC (rev 1265)
@@ -4,6 +4,9 @@
 2004-09-29: onsight
  * Clean up warnings and formatting in Date.h/cpp.
 
+ * Add a timer class to wrap get_realtime with basic stopwatch
+   functions.
+
 2004-09-28: delta
  * Added a #undef ERROR after inlcuding windows.h, protected behind
    a #ifdef.

Modified: trunk/CSP/SimData/Include/SimData/Timing.h
===================================================================
--- trunk/CSP/SimData/Include/SimData/Timing.h	2004-09-30 07:19:09 UTC (rev 1264)
+++ trunk/CSP/SimData/Include/SimData/Timing.h	2004-09-30 07:20:48 UTC (rev 1265)
@@ -64,6 +64,54 @@
 timing_t get_realtime();
 
 
+/** A simple timing class with standard stopwatch functions.  The
+ *  timing precision is equivalent to get_realtime().
+ */
+class Timer {
+	timing_t _start;
+	timing_t _elapsed;
+	bool _running;
+
+public:
+	/// Construct a new timer.
+	Timer(): _start(0), _elapsed(0), _running(false) { }
+
+	/// Reset the elapsed time to zero and start the timer running.
+	inline void start() {
+		_elapsed = 0.0;
+		resume();
+	}
+
+	/// Resumes counting without reseting the elapsed time.
+	inline void resume() {
+		if (!_running) {
+			_start = get_realtime();
+			_running = true;
+		}
+	}
+
+	/// Stop the timer.
+	inline timing_t stop() {
+		if (_running) {
+			_elapsed += get_realtime() - _start;
+			_running = false;
+		}
+		return _elapsed;
+	}
+
+	/// Return true if the timer is running.
+	inline bool running() const { return _running; }
+
+	/// Get the total elasped time.
+	inline timing_t elapsed() const {
+		return (_running ? get_realtime() - _start + _elapsed : _elapsed);
+	}
+
+	/// Reset the elapsed time to zero (does not stop the timer).
+	inline void reset() { _elapsed = 0; }
+};
+
+
 /////////////////////////////////////////////////////////////
 // end of timing routines