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Branched from the monolithic repo, Qt master branch, at commit
896db169ea224deb96c59ce8af800d019de63f12

demos/spectrum/3rdparty/fftreal/stopwatch/ClockCycleCounter.cpp

@@ -0,0 +1,285 @@
+/*****************************************************************************
+
+        ClockCycleCounter.cpp
+        Copyright (c) 2003 Laurent de Soras
+
+--- 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 (_MSC_VER)
+	#pragma warning (1 : 4130) // "'operator' : logical operation on address of string constant"
+	#pragma warning (1 : 4223) // "nonstandard extension used : non-lvalue array converted to pointer"
+	#pragma warning (1 : 4705) // "statement has no effect"
+	#pragma warning (1 : 4706) // "assignment within conditional expression"
+	#pragma warning (4 : 4786) // "identifier was truncated to '255' characters in the debug information"
+	#pragma warning (4 : 4800) // "forcing value to bool 'true' or 'false' (performance warning)"
+	#pragma warning (4 : 4355) // "'this' : used in base member initializer list"
+#endif
+
+
+
+/*\\\ INCLUDE FILES \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\*/
+
+#include	"ClockCycleCounter.h"
+
+#include	<cassert>
+
+
+
+namespace stopwatch
+{
+
+
+
+/*\\\ PUBLIC \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\*/
+
+
+
+/*
+==============================================================================
+Name: ctor
+Description:
+	The first object constructed initialise global data. This first
+	construction may be a bit slow.
+Throws: Nothing
+==============================================================================
+*/
+
+ClockCycleCounter::ClockCycleCounter ()
+:	_start_time (0)
+,	_state (0)
+,	_best_score (-1)
+{
+	if (! _init_flag)
+	{
+		// Should be executed in this order
+		compute_clk_mul ();
+		compute_measure_time_total ();
+		compute_measure_time_lap ();
+
+		// Restores object state
+		_start_time = 0;
+		_state      = 0;
+		_best_score = -1;
+
+		_init_flag = true;
+	}
+}
+
+
+
+/*
+==============================================================================
+Name: get_time_total
+Description:
+	Gives the time elapsed between the latest stop_lap() and start() calls.
+Returns:
+	The duration, in clock cycles.
+Throws: Nothing
+==============================================================================
+*/
+
+Int64	ClockCycleCounter::get_time_total () const
+{
+	const Int64		duration = _state - _start_time;
+	assert (duration >= 0);
+
+	const Int64		t = max (
+		duration - _measure_time_total,
+		static_cast <Int64> (0)
+	);
+
+	return (t * _clk_mul);
+}
+
+
+
+/*
+==============================================================================
+Name: get_time_best_lap
+Description:
+	Gives the smallest time between two consecutive stop_lap() or between
+	the stop_lap() and start(). The value is reset by a call to start().
+	Call this function only after a stop_lap().
+	The time is amputed from the duration of the stop_lap() call itself.
+Returns:
+	The smallest duration, in clock cycles.
+Throws: Nothing
+==============================================================================
+*/
+
+Int64	ClockCycleCounter::get_time_best_lap () const
+{
+	assert (_best_score >= 0);
+
+	const Int64		t1 = max (
+		_best_score - _measure_time_lap,
+		static_cast <Int64> (0)
+	);
+	const Int64		t = min (t1, get_time_total ());
+
+	return (t * _clk_mul);
+}
+
+
+
+/*\\\ PROTECTED \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\*/
+
+
+
+/*\\\ PRIVATE \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\*/
+
+
+
+#if defined (__MACOS__)
+
+static inline double	stopwatch_ClockCycleCounter_get_time_s ()
+{
+	const Nanoseconds	ns = AbsoluteToNanoseconds (UpTime ());
+
+	return (ns.hi * 4294967296e-9 + ns.lo * 1e-9);
+}
+
+#endif	// __MACOS__
+
+
+
+/*
+==============================================================================
+Name: compute_clk_mul
+Description:
+	This function, only for PowerPC/MacOS computers, computes the multiplier
+	required to deduce clock cycles from the internal counter.
+Throws: Nothing
+==============================================================================
+*/
+
+void	ClockCycleCounter::compute_clk_mul ()
+{
+	assert (! _init_flag);
+
+#if defined (__MACOS__)
+
+	long				clk_speed_mhz = CurrentProcessorSpeed ();
+	const Int64		clk_speed =
+		static_cast <Int64> (clk_speed_mhz) * (1000L*1000L);
+
+	const double	start_time_s = stopwatch_ClockCycleCounter_get_time_s ();
+	start ();
+
+	const double	duration = 0.01;	// Seconds
+	while (stopwatch_ClockCycleCounter_get_time_s () - start_time_s < duration)
+	{
+		continue;
+	}
+
+	const double	stop_time_s = stopwatch_ClockCycleCounter_get_time_s ();
+	stop ();
+
+	const double	diff_time_s = stop_time_s - start_time_s;
+	const double	nbr_cycles = diff_time_s * static_cast <double> (clk_speed);
+
+	const Int64		diff_time_c = _state - _start_time;
+	const double	clk_mul = nbr_cycles / static_cast <double> (diff_time_c);
+
+	_clk_mul = round_int (clk_mul);
+
+#endif	// __MACOS__
+}
+
+
+
+void	ClockCycleCounter::compute_measure_time_total ()
+{
+	start ();
+	spend_time ();
+
+	Int64				best_result = 0x7FFFFFFFL;	// Should be enough
+	long				nbr_tests = 100;
+	for (long cnt = 0; cnt < nbr_tests; ++cnt)
+	{
+		start ();
+		stop_lap ();
+		const Int64		duration = _state - _start_time;
+		best_result = min (best_result, duration);
+	}
+
+	_measure_time_total = best_result;
+}
+
+
+
+/*
+==============================================================================
+Name: compute_measure_time_lap
+Description:
+	Computes the duration of one stop_lap() call and store it. It will be used
+	later to get the real duration of the measured operation (by substracting
+	the measurement duration).
+Throws: Nothing
+==============================================================================
+*/
+
+void	ClockCycleCounter::compute_measure_time_lap ()
+{
+	start ();
+	spend_time ();
+
+	long				nbr_tests = 10;
+	for (long cnt = 0; cnt < nbr_tests; ++cnt)
+	{
+		stop_lap ();
+		stop_lap ();
+		stop_lap ();
+		stop_lap ();
+	}
+
+	_measure_time_lap = _best_score;
+}
+
+
+
+void	ClockCycleCounter::spend_time ()
+{
+	const Int64		nbr_clocks = 500;	// Number of clock cycles to spend
+
+	const Int64		start = read_clock_counter ();
+	Int64				current;
+
+	do
+	{
+		current = read_clock_counter ();
+	}
+	while ((current - start) * _clk_mul < nbr_clocks);
+}
+
+
+
+Int64	ClockCycleCounter::_measure_time_total = 0;
+Int64	ClockCycleCounter::_measure_time_lap = 0;
+int	ClockCycleCounter::_clk_mul = 1;
+bool	ClockCycleCounter::_init_flag = false;
+
+
+}	// namespace stopwatch
+
+
+
+/*\\\ EOF \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\*/

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 \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\*/

demos/spectrum/3rdparty/fftreal/stopwatch/ClockCycleCounter.hpp

@@ -0,0 +1,150 @@
+/*****************************************************************************
+
+        ClockCycleCounter.hpp
+        Copyright (c) 2003 Laurent de Soras
+
+Please complete the definitions according to your compiler/architecture.
+It's not a big deal if it's not possible to get the clock count...
+
+--- 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_CURRENT_CODEHEADER)
+	#error Recursive inclusion of ClockCycleCounter code header.
+#endif
+#define	stopwatch_ClockCycleCounter_CURRENT_CODEHEADER
+
+#if ! defined (stopwatch_ClockCycleCounter_CODEHEADER_INCLUDED)
+#define	stopwatch_ClockCycleCounter_CODEHEADER_INCLUDED
+
+
+
+/*\\\ INCLUDE FILES \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\*/
+
+#include	"fnc.h"
+
+#include	<climits>
+
+
+
+namespace stopwatch
+{
+
+
+
+/*\\\ PUBLIC \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\*/
+
+
+
+/*
+==============================================================================
+Name: start
+Description:
+	Starts the counter.
+Throws: Nothing
+==============================================================================
+*/
+
+void	ClockCycleCounter::start ()
+{
+	_best_score = (static_cast <Int64> (1) << (sizeof (Int64) * CHAR_BIT - 2));
+	const Int64		start_clock = read_clock_counter ();
+	_start_time = start_clock;
+	_state = start_clock - _best_score;
+}
+
+
+
+/*
+==============================================================================
+Name: stop_lap
+Description:
+	Captures the current time and updates the smallest duration between two
+	consecutive calls to stop_lap() or the latest start().
+	start() must have been called at least once before calling this function.
+Throws: Nothing
+==============================================================================
+*/
+
+void	ClockCycleCounter::stop_lap ()
+{
+	const Int64		end_clock = read_clock_counter ();
+	_best_score = min (end_clock - _state, _best_score);
+	_state = end_clock;
+}
+
+
+
+/*\\\ PROTECTED \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\*/
+
+
+
+/*\\\ PRIVATE \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\*/
+
+
+
+Int64	ClockCycleCounter::read_clock_counter ()
+{
+	register Int64		clock_cnt;
+
+#if defined (_MSC_VER)
+
+	__asm
+	{
+		lea				edi, clock_cnt
+		rdtsc
+		mov				[edi    ], eax
+		mov				[edi + 4], edx
+	}
+
+#elif defined (__GNUC__) && defined (__i386__)
+
+	__asm__ __volatile__ ("rdtsc" : "=A" (clock_cnt));
+
+#elif (__MWERKS__) && defined (__POWERPC__) 
+	
+	asm
+	{
+	loop:
+		mftbu			clock_cnt@hiword
+		mftb			clock_cnt@loword
+		mftbu			r5
+		cmpw			clock_cnt@hiword,r5
+		bne loop
+	}
+	
+#endif
+
+	return (clock_cnt);
+}
+
+
+
+}	// namespace stopwatch
+
+
+
+#endif	// stopwatch_ClockCycleCounter_CODEHEADER_INCLUDED
+
+#undef stopwatch_ClockCycleCounter_CURRENT_CODEHEADER
+
+
+
+/*\\\ EOF \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\*/

demos/spectrum/3rdparty/fftreal/stopwatch/Int64.h

@@ -0,0 +1,71 @@
+/*****************************************************************************
+
+        Int64.h
+        Copyright (c) 2003 Laurent de Soras
+
+--- 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_Int64_HEADER_INCLUDED)
+#define	stopwatch_Int64_HEADER_INCLUDED
+
+#if defined (_MSC_VER)
+	#pragma once
+	#pragma warning (4 : 4250) // "Inherits via dominance."
+#endif
+
+
+
+/*\\\ INCLUDE FILES \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\*/
+
+
+
+namespace stopwatch
+{
+
+
+#if defined (_MSC_VER)
+
+	typedef	__int64	Int64;
+
+#elif defined (__MWERKS__) || defined (__GNUC__)
+
+	typedef	long long	Int64;
+
+#elif defined (__BEOS__)
+
+	typedef	int64	Int64;
+
+#else
+
+	#error No 64-bit integer type defined for this compiler !
+
+#endif
+
+
+}	// namespace stopwatch
+
+
+
+#endif	// stopwatch_Int64_HEADER_INCLUDED
+
+
+
+/*\\\ EOF \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\*/

demos/spectrum/3rdparty/fftreal/stopwatch/StopWatch.cpp

@@ -0,0 +1,101 @@
+/*****************************************************************************
+
+        StopWatch.cpp
+        Copyright (c) 2005 Laurent de Soras
+
+--- 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 (_MSC_VER)
+	#pragma warning (1 : 4130) // "'operator' : logical operation on address of string constant"
+	#pragma warning (1 : 4223) // "nonstandard extension used : non-lvalue array converted to pointer"
+	#pragma warning (1 : 4705) // "statement has no effect"
+	#pragma warning (1 : 4706) // "assignment within conditional expression"
+	#pragma warning (4 : 4786) // "identifier was truncated to '255' characters in the debug information"
+	#pragma warning (4 : 4800) // "forcing value to bool 'true' or 'false' (performance warning)"
+	#pragma warning (4 : 4355) // "'this' : used in base member initializer list"
+#endif
+
+
+
+/*\\\ INCLUDE FILES \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\*/
+
+#include	"StopWatch.h"
+
+#include	<cassert>
+
+
+
+namespace stopwatch
+{
+
+
+
+/*\\\ PUBLIC \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\*/
+
+
+
+StopWatch::StopWatch ()
+:	_ccc ()
+,	_nbr_laps (0)
+{
+	// Nothing
+}
+
+
+
+double	StopWatch::get_time_total (Int64 nbr_op) const
+{
+	assert (_nbr_laps > 0);
+	assert (nbr_op > 0);
+
+	return (
+		  static_cast <double> (_ccc.get_time_total ())
+	   / (static_cast <double> (nbr_op) * static_cast <double> (_nbr_laps))
+	);
+}
+
+
+
+double	StopWatch::get_time_best_lap (Int64 nbr_op) const
+{
+	assert (nbr_op > 0);
+
+	return (
+		  static_cast <double> (_ccc.get_time_best_lap ())
+		/ static_cast <double> (nbr_op)
+	);
+}
+
+
+
+/*\\\ PROTECTED \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\*/
+
+
+
+/*\\\ PRIVATE \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\*/
+
+
+
+}	// namespace stopwatch
+
+
+
+/*\\\ EOF \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\*/

demos/spectrum/3rdparty/fftreal/stopwatch/StopWatch.h

@@ -0,0 +1,110 @@
+/*****************************************************************************
+
+        StopWatch.h
+        Copyright (c) 2005 Laurent de Soras
+
+Utility class based on ClockCycleCounter to measure the unit time of a
+repeated operation.
+
+--- 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_StopWatch_HEADER_INCLUDED)
+#define	stopwatch_StopWatch_HEADER_INCLUDED
+
+#if defined (_MSC_VER)
+	#pragma once
+	#pragma warning (4 : 4250) // "Inherits via dominance."
+#endif
+
+
+
+/*\\\ INCLUDE FILES \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\*/
+
+#include	"ClockCycleCounter.h"
+
+
+
+namespace stopwatch
+{
+
+
+
+class StopWatch
+{
+
+/*\\\ PUBLIC \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\*/
+
+public:
+
+						StopWatch ();
+
+	stopwatch_FORCEINLINE void
+						start ();
+	stopwatch_FORCEINLINE void
+						stop_lap ();
+
+	double			get_time_total (Int64 nbr_op) const;
+	double			get_time_best_lap (Int64 nbr_op) const;
+
+
+
+/*\\\ PROTECTED \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\*/
+
+protected:
+
+
+
+/*\\\ PRIVATE \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\*/
+
+private:
+
+	ClockCycleCounter
+						_ccc;
+	Int64				_nbr_laps;
+
+
+
+/*\\\ FORBIDDEN MEMBER FUNCTIONS \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\*/
+
+private:
+
+						StopWatch (const StopWatch &other);
+	StopWatch &		operator = (const StopWatch &other);
+	bool				operator == (const StopWatch &other);
+	bool				operator != (const StopWatch &other);
+
+};	// class StopWatch
+
+
+
+}	// namespace stopwatch
+
+
+
+#include	"StopWatch.hpp"
+
+
+
+#endif	// stopwatch_StopWatch_HEADER_INCLUDED
+
+
+
+/*\\\ EOF \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\*/

demos/spectrum/3rdparty/fftreal/stopwatch/StopWatch.hpp

@@ -0,0 +1,83 @@
+/*****************************************************************************
+
+        StopWatch.hpp
+        Copyright (c) 2005 Laurent de Soras
+
+--- 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_StopWatch_CURRENT_CODEHEADER)
+	#error Recursive inclusion of StopWatch code header.
+#endif
+#define	stopwatch_StopWatch_CURRENT_CODEHEADER
+
+#if ! defined (stopwatch_StopWatch_CODEHEADER_INCLUDED)
+#define	stopwatch_StopWatch_CODEHEADER_INCLUDED
+
+
+
+/*\\\ INCLUDE FILES \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\*/
+
+
+
+namespace stopwatch
+{
+
+
+
+/*\\\ PUBLIC \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\*/
+
+
+
+void	StopWatch::start ()
+{
+	_nbr_laps = 0;
+	_ccc.start ();
+}
+
+
+
+void	StopWatch::stop_lap ()
+{
+	_ccc.stop_lap ();
+	++ _nbr_laps;
+}
+
+
+
+/*\\\ PROTECTED \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\*/
+
+
+
+/*\\\ PRIVATE \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\*/
+
+
+
+}	// namespace stopwatch
+
+
+
+#endif	// stopwatch_StopWatch_CODEHEADER_INCLUDED
+
+#undef stopwatch_StopWatch_CURRENT_CODEHEADER
+
+
+
+/*\\\ EOF \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\*/

demos/spectrum/3rdparty/fftreal/stopwatch/def.h

@@ -0,0 +1,65 @@
+/*****************************************************************************
+
+        def.h
+        Copyright (c) 2003 Laurent de Soras
+
+--- 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_def_HEADER_INCLUDED)
+#define	stopwatch_def_HEADER_INCLUDED
+
+#if defined (_MSC_VER)
+	#pragma once
+	#pragma warning (4 : 4250) // "Inherits via dominance."
+#endif
+
+
+
+/*\\\ INCLUDE FILES \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\*/
+
+
+
+namespace stopwatch
+{
+
+
+
+#if defined (_MSC_VER)
+
+	#define	stopwatch_FORCEINLINE	__forceinline
+
+#else
+
+	#define	stopwatch_FORCEINLINE	inline
+
+#endif
+
+
+
+}	// namespace stopwatch
+
+
+
+#endif	// stopwatch_def_HEADER_INCLUDED
+
+
+
+/*\\\ EOF \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\*/

demos/spectrum/3rdparty/fftreal/stopwatch/fnc.h

@@ -0,0 +1,67 @@
+/*****************************************************************************
+
+        fnc.h
+        Copyright (c) 2003 Laurent de Soras
+
+--- 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_fnc_HEADER_INCLUDED)
+#define	stopwatch_fnc_HEADER_INCLUDED
+
+#if defined (_MSC_VER)
+	#pragma once
+	#pragma warning (4 : 4250) // "Inherits via dominance."
+#endif
+
+
+
+/*\\\ INCLUDE FILES \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\*/
+
+
+
+namespace stopwatch
+{
+
+
+
+template <typename T>
+inline T	min (T a, T b);
+
+template <typename T>
+inline T	max (T a, T b);
+
+inline int	round_int (double x);
+
+
+
+}	// namespace rsp
+
+
+
+#include	"fnc.hpp"
+
+
+
+#endif	// stopwatch_fnc_HEADER_INCLUDED
+
+
+
+/*\\\ EOF \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\*/

demos/spectrum/3rdparty/fftreal/stopwatch/fnc.hpp

@@ -0,0 +1,85 @@
+/*****************************************************************************
+
+        fnc.hpp
+        Copyright (c) 2003 Laurent de Soras
+
+--- 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_fnc_CURRENT_CODEHEADER)
+	#error Recursive inclusion of fnc code header.
+#endif
+#define	stopwatch_fnc_CURRENT_CODEHEADER
+
+#if ! defined (stopwatch_fnc_CODEHEADER_INCLUDED)
+#define	stopwatch_fnc_CODEHEADER_INCLUDED
+
+
+
+/*\\\ INCLUDE FILES \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\*/
+
+#include	<cassert>
+#include	<cmath>
+
+namespace std {}
+
+
+
+namespace stopwatch
+{
+
+
+
+template <typename T>
+inline T	min (T a, T b)
+{
+	return ((a < b) ? a : b);
+}
+
+
+
+template <typename T>
+inline T	max (T a, T b)
+{
+	return ((b < a) ? a : b);
+}
+
+
+
+int	round_int (double x)
+{
+	using namespace std;
+
+	return (static_cast <int> (floor (x + 0.5)));
+}
+
+
+
+}	// namespace stopwatch
+
+
+
+#endif	// stopwatch_fnc_CODEHEADER_INCLUDED
+
+#undef stopwatch_fnc_CURRENT_CODEHEADER
+
+
+
+/*\\\ EOF \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\*/