gr_single_pole_rec< o_type, i_type, tap_type > Class Template Reference

#include <gr_single_pole_rec.h>

List of all members.

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Detailed Description

template<class o_type, class i_type, class tap_type>
class gr_single_pole_rec< o_type, i_type, tap_type >

class template for single pole recursive filter

Public Member Functions
	gr_single_pole_rec (tap_type alpha=1.0)
	construct new single pole IIR with given alpha
o_type	filter (const i_type input)
	compute a single output value.
void	filterN (o_type output[], const i_type input[], unsigned long n)
	compute an array of N output values. input must have n valid entries.
void	set_taps (tap_type alpha)
	install alpha as the current taps.
void	reset ()
	reset state to pole
tap_type	prev_output ()
Protected Attributes
tap_type	d_alpha
tap_type	d_one_minus_alpha
tap_type	d_prev_output

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Constructor & Destructor Documentation

template<class o_type, class i_type, class tap_type> gr_single_pole_rec< o_type, i_type, tap_type >::gr_single_pole_rec (  tap_type  alpha = 1.0  )  [inline]

construct new single pole IIR with given alpha computes y(i) = alpha * x(i) - (1-alpha) * y(i-1)

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Member Function Documentation

template<class o_type, class i_type, class tap_type> o_type gr_single_pole_rec< o_type, i_type, tap_type >::filter (  const i_type  input  )

compute a single output value. Returns: the filtered input value.

template<class o_type, class i_type, class tap_type> void gr_single_pole_rec< o_type, i_type, tap_type >::filterN (  o_type  output[], const i_type  input[], unsigned long  n )

compute an array of N output values. input must have n valid entries.

template<class o_type, class i_type, class tap_type> tap_type gr_single_pole_rec< o_type, i_type, tap_type >::prev_output (   )  [inline]

template<class o_type, class i_type, class tap_type> void gr_single_pole_rec< o_type, i_type, tap_type >::reset (   )  [inline]

reset state to pole

template<class o_type, class i_type, class tap_type> void gr_single_pole_rec< o_type, i_type, tap_type >::set_taps (  tap_type  alpha  )  [inline]

install alpha as the current taps.

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Member Data Documentation

template<class o_type, class i_type, class tap_type> tap_type gr_single_pole_rec< o_type, i_type, tap_type >::d_alpha [protected]

template<class o_type, class i_type, class tap_type> tap_type gr_single_pole_rec< o_type, i_type, tap_type >::d_one_minus_alpha [protected]

template<class o_type, class i_type, class tap_type> tap_type gr_single_pole_rec< o_type, i_type, tap_type >::d_prev_output [protected]

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

• gr_single_pole_rec.h

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