mxstopwatch.h

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#ifndef _MxStopWatch_h
#define _MxStopWatch_h
 
#include "assert.h"
 
#include <limits.h> // ULONG_MAX
#include <math.h>
#include <windows.h>
 
//
// MxStopWatch
//
// NOTE:    MxStopWatch measures elapsed (wall clock) time.
//
 
#define HUGE_VAL_IMMEDIATE 1.7976931348623157e+308
 
// SIZE 0x18
class MxStopWatch {
public:
    MxStopWatch();
 
    ~MxStopWatch() {}
 
    void Start();
 
    void Stop();
 
    void Reset();
 
    double ElapsedSeconds() const;
 
protected:
    unsigned long TicksPerSeconds() const;
 
private:
    LARGE_INTEGER m_startTick;        
    // ??? when we provide LARGE_INTEGER arithmetic, use a
    //     LARGE_INTEGER m_elapsedTicks rather than m_elapsedSeconds
 
    double m_elapsedSeconds;          
    unsigned long m_ticksPerSeconds;  
};
 
// SYNTHETIC: LEGO1 0x100a6fc0
// SYNTHETIC: BETA10 0x100d8e70
// MxStopWatch::~MxStopWatch
 
//
// MxFrequencyMeter
//
 
// SIZE 0x20
class MxFrequencyMeter {
public:
    MxFrequencyMeter();
 
    void StartOperation();
 
    void EndOperation();
 
    double Frequency() const;
 
    void Reset();
 
    unsigned long OperationCount() const;
 
    double ElapsedSeconds() const;
 
    void IncreaseOperationCount(unsigned long delta);
 
private:
    unsigned long m_operationCount;   
    MxStopWatch m_stopWatch;          
};
 
// SYNTHETIC: LEGO1 0x100abd10
// SYNTHETIC: BETA10 0x1017de40
// MxFrequencyMeter::~MxFrequencyMeter
 
#endif /* _MxStopWatch_h */