1 files changed, 124 insertions, 0 deletions
diff --git a/demos/spectrum/3rdparty/fftreal/stopwatch/ClockCycleCounter.h b/demos/spectrum/3rdparty/fftreal/stopwatch/ClockCycleCounter.h
new file mode 100644
index 0000000..ba7a99a
--- /dev/null
+++ b/demos/spectrum/3rdparty/fftreal/stopwatch/ClockCycleCounter.h
@@ -0,0 +1,124 @@
+/*****************************************************************************
+
+        ClockCycleCounter.h
+        Copyright (c) 2003 Laurent de Soras
+
+Instrumentation class, for accurate time interval measurement. You may have
+to modify the implementation to adapt it to your system and/or compiler.
+
+--- Legal stuff ---
+
+This library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Lesser General Public
+License as published by the Free Software Foundation; either
+version 2.1 of the License, or (at your option) any later version.
+
+This library is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public
+License along with this library; if not, write to the Free Software
+Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+
+*Tab=3***********************************************************************/
+
+
+
+#if ! defined (stopwatch_ClockCycleCounter_HEADER_INCLUDED)
+#define	stopwatch_ClockCycleCounter_HEADER_INCLUDED
+
+#if defined (_MSC_VER)
+	#pragma once
+	#pragma warning (4 : 4250) // "Inherits via dominance."
+#endif
+
+
+
+/*\\\ INCLUDE FILES \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\*/
+
+#include	"def.h"
+#include	"Int64.h"
+
+
+
+namespace stopwatch
+{
+
+
+
+class ClockCycleCounter
+{
+
+/*\\\ PUBLIC \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\*/
+
+public:
+
+						ClockCycleCounter ();
+
+	stopwatch_FORCEINLINE void
+						start ();
+	stopwatch_FORCEINLINE void
+						stop_lap ();
+	Int64				get_time_total () const;
+	Int64				get_time_best_lap () const;
+
+
+
+/*\\\ PROTECTED \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\*/
+
+protected:
+
+
+
+/*\\\ PRIVATE \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\*/
+
+private:
+
+	void				compute_clk_mul ();
+	void				compute_measure_time_total ();
+	void				compute_measure_time_lap ();
+
+	static void		spend_time ();
+	static stopwatch_FORCEINLINE Int64
+						read_clock_counter ();
+
+	Int64				_start_time;
+	Int64				_state;
+	Int64				_best_score;
+
+	static Int64	_measure_time_total;
+	static Int64	_measure_time_lap;
+	static int		_clk_mul;
+	static bool		_init_flag;
+
+
+
+/*\\\ FORBIDDEN MEMBER FUNCTIONS \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\*/
+
+private:
+
+						ClockCycleCounter (const ClockCycleCounter &other);
+	ClockCycleCounter &
+						operator = (const ClockCycleCounter &other);
+	bool				operator == (const ClockCycleCounter &other);
+	bool				operator != (const ClockCycleCounter &other);
+
+};	// class ClockCycleCounter
+
+
+
+}	// namespace stopwatch
+
+
+
+#include	"ClockCycleCounter.hpp"
+
+
+
+#endif	// stopwatch_ClockCycleCounter_HEADER_INCLUDED
+
+
+
+/*\\\ EOF \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\*/