An::ExpDecay Class Reference

#include <Numeric.h>

List of all members.

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Detailed Description

Implements an exponential decay using the Crank-Nicholson method.

For improved performances, the CN factor is cached, assuming that the dt will rarely change during runtime.

Public Member Functions
	ExpDecay (double t=5.0, double delta=1.0, double init=0.0)
	Constructor.
void	add (double f)
	Add f to actual value.
void	step ()
	Decay during the same time as last step.
void	step (double thisDt)
	Decay during a given time thisDt decay time.
double	getValueAndStep ()
	Return the value and than decay for the same time as last step.
double	getValueAndStep (double thisDt)
	Return the value and than decay during a given time thisDt decay time.
void	setTau (double t)
	Set the time constant t time constant.
double	getTau () const
	Return the time constant.
void	setDt (double delta)
	Set the step duration delta step duration.
double	getDt () const
	Return the step duration.
void	setValue (double val)
	Set the value val value.
double	getValue () const
	Return the value.
void	operator= (double val)
	Set the value val value.
void	operator+= (double f)
	Add f to the value.
void	operator-= (double f)
	Substract f from the value.
	operator double () const
	Return the value.
Protected Member Functions
void	syncFactor ()
	Calc step multiplication factor according to the Crank-Nicholson method.
Protected Attributes
double	tau
	time constant
double	factor
	factor for Crank-Nicholson method, computed from tau and value
double	value
	actual value
double	dt
	step duration

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Constructor & Destructor Documentation

An::ExpDecay::ExpDecay (  double  t = 5.0, double  delta = 1.0, double  init = 0.0 )  [inline]

Constructor. Parameters: t  Time-constant delta  Integration step init  Initial value

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

• an/Numeric.h

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