From bcc99057351132530c670f5a46d97c4e8bf64727 Mon Sep 17 00:00:00 2001
From: Achmad Imam Kistijantoro <imam@informatika.org>
Date: Tue, 11 Dec 2018 16:02:02 +0700
Subject: [PATCH] Upload New File
---
timer.h | 54 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 54 insertions(+)
create mode 100644 timer.h
diff --git a/timer.h b/timer.h
new file mode 100644
index 0000000..6f4fb4a
--- /dev/null
+++ b/timer.h
@@ -0,0 +1,54 @@
+#ifndef TIMER_H
+#define TIMER_H
+
+#include <stdlib.h>
+
+#ifdef WIN32
+ #define WIN32_LEAN_AND_MEAN
+ #include <windows.h>
+#else
+ #ifndef __USE_BSD
+ #define __USE_BSD
+ #endif
+ #include <sys/time.h>
+#endif
+
+#ifdef WIN32
+double PCFreq = 0.0;
+__int64 timerStart = 0;
+#else
+struct timeval timerStart;
+#endif
+
+void StartTimer()
+{
+#ifdef WIN32
+ LARGE_INTEGER li;
+ if(!QueryPerformanceFrequency(&li))
+ printf("QueryPerformanceFrequency failed!\n");
+
+ PCFreq = (double)li.QuadPart/1000.0;
+
+ QueryPerformanceCounter(&li);
+ timerStart = li.QuadPart;
+#else
+ gettimeofday(&timerStart, NULL);
+#endif
+}
+
+// time elapsed in ms
+double GetTimer()
+{
+#ifdef WIN32
+ LARGE_INTEGER li;
+ QueryPerformanceCounter(&li);
+ return (double)(li.QuadPart-timerStart)/PCFreq;
+#else
+ struct timeval timerStop, timerElapsed;
+ gettimeofday(&timerStop, NULL);
+ timersub(&timerStop, &timerStart, &timerElapsed);
+ return timerElapsed.tv_sec*1000.0+timerElapsed.tv_usec/1000.0;
+#endif
+}
+
+#endif // TIMER_H
--
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