template project, first version

Simulations/util/timer.h

@@ -0,0 +1,65 @@
+#ifndef TIMER_H
+#define TIMER_H
+
+
+/*
+// simple example:
+
+// global declarations
+MuTime myTimer;
+// start timer function
+myTimer.get();
+
+// ...do actual work...
+
+// stop timer function & print
+std::cout << "Time passed "<< myTimer.update().time <<" milliseconds\n";
+
+*/
+
+
+#if defined(WIN32) || defined(_WIN32)
+#  include <windows.h>
+#else
+#   include <sys/time.h>
+#endif
+
+struct MuTime {
+	MuTime() {}
+	MuTime operator-(const MuTime& a) { MuTime b; b.time = time - a.time; return b; };
+	MuTime operator+(const MuTime& a) { MuTime b; b.time = time + a.time; return b; };
+	MuTime operator/(unsigned long a) { MuTime b; b.time = time / a; return b; };
+	MuTime& operator+=(const MuTime& a) { time += a.time; return *this; }
+	MuTime& operator-=(const MuTime& a) { time -= a.time; return *this; }
+	MuTime& operator/=(unsigned long a) { time /= a; return *this; }
+	
+	void clear() { time = 0; }
+	void get() { 
+	#if defined(WIN32) || defined(_WIN32)
+		LARGE_INTEGER liTimerFrequency;
+		LARGE_INTEGER liLastTime;
+		QueryPerformanceFrequency(&liTimerFrequency);		
+		QueryPerformanceCounter(&liLastTime);
+		double timepass = (double)liLastTime.QuadPart;
+		timepass /= (double)liTimerFrequency.QuadPart;
+		time = (timepass * 1000);
+	#else
+		struct timeval tv;
+		struct timezone tz;
+		tz.tz_minuteswest = 0;
+		tz.tz_dsttime = 0;
+		gettimeofday(&tv, &tz);
+		time = (tv.tv_sec * 1000) + (tv.tv_usec / 1000);
+	#endif    
+	}
+
+	MuTime update(){
+		MuTime o = *this;
+		get();
+		return *this - o;
+	}
+
+	unsigned long time;
+};
+
+#endif