Controller Class Reference

regulate IIR gain for rapid but smooth tracking of a function. More...

Public Member Functions
	Controller (double initialValue)
int	ComputeBias (double smoothedValue, double value)

Private Member Functions
bool	WasOnSameSide (double value) const
bool	WasSpike () const

Static Private Member Functions
static double	Change (double from, double to)

Private Attributes
double	m_history [m_historySize]
int	m_timesOnSameSide

Static Private Attributes
static const size_t	m_historySize = 3

Detailed Description

regulate IIR gain for rapid but smooth tracking of a function.

this is similar in principle to a PID controller but is tuned for the special case of FPS values to simplify stabilizing the filter.

Constructor & Destructor Documentation

Controller::Controller ( double  initialValue )

inline

Member Function Documentation

static double Controller::Change ( double  from, double  to  )

inlinestaticprivate

int Controller::ComputeBias ( double  smoothedValue, double  value  )

inline

bool Controller::WasOnSameSide ( double  value ) const

inlineprivate

bool Controller::WasSpike ( ) const

inlineprivate

Member Data Documentation

double Controller::m_history[m_historySize]

private

const size_t Controller::m_historySize = 3

staticprivate

int Controller::m_timesOnSameSide

private

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The documentation for this class was generated from the following file:

• /var/svn/checkout/source/lib/frequency_filter.cpp