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author | Olivier Goffart <olivier.goffart@nokia.com> | 2010-05-19 13:31:25 (GMT) |
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committer | Olivier Goffart <olivier.goffart@nokia.com> | 2010-05-19 13:31:25 (GMT) |
commit | 78dcac759d500c1744751955623b1d0babcd37a4 (patch) | |
tree | 59d7a2540c2fcffe0b274afbf85db9a1f53242f4 /demos/spectrum/3rdparty/fftreal/stopwatch/ClockCycleCounter.h | |
parent | f1c79b3c90c1e14d8bee0228e3e416fa5337cf6e (diff) | |
parent | de0858687898f6e0e54cce3f986779c7aa1a350e (diff) | |
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Merge remote branch 'origin/4.7' into HEAD
Conflicts:
src/corelib/tools/qlocale_symbian.cpp
Diffstat (limited to 'demos/spectrum/3rdparty/fftreal/stopwatch/ClockCycleCounter.h')
-rw-r--r-- | demos/spectrum/3rdparty/fftreal/stopwatch/ClockCycleCounter.h | 124 |
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 \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\*/ |