SPUC::iir_2nd< Numeric, Coeff > Class Template Reference
[SPUC double templates, IIR filters]

Template for 2nd Order IIR filter. More...

#include <iir_2nd.h>

Collaboration diagram for SPUC::iir_2nd< Numeric, Coeff >:

[legend]List of all members.

Public Types
typedef mixed_type< Numeric, Coeff >::dtype	sum_type
Public Member Functions
	iir_2nd (Coeff B0, Coeff B1, Coeff B2, Coeff A1, Coeff A2, long b=0)
	iir_2nd (Coeff A1=0, Coeff A2=0)
void	set_round_bits (long x)
int	get_round_bits ()
Coeff	get_b0 ()
void	reset ()
void	set_a (Coeff A1, Coeff A2)
void	set_b (Coeff A1, Coeff A2)
void	set_coeffs (Coeff B0, Coeff B1, Coeff B2, Coeff A1, Coeff A2)
	iir_2nd (const char *file)
	Constructor reading coefficients from a file.
void	print ()
	Print out coefficients.
Numeric	clock (Numeric input)
	Input new sample and calculate output.
Public Attributes
Numeric	fb2
Numeric	fb1
Numeric	fb0
Protected Attributes
long	round_bits
Coeff	b0
Coeff	b1
Coeff	b2
Coeff	a1
Coeff	a2
Numeric	in [3]
quantiser< Coeff >	Q

---

Detailed Description

template<class Numeric, class Coeff = float_type>
class SPUC::iir_2nd< Numeric, Coeff >

Template for 2nd Order IIR filter.

The filter is assumed to be a low pass 2nd order digital filter of the form

Author:

Tony Kirke

---

Member Typedef Documentation

template<class Numeric, class Coeff = float_type>

typedef mixed_type<Numeric,Coeff>::dtype SPUC::iir_2nd< Numeric, Coeff >::sum_type

---

Constructor & Destructor Documentation

template<class Numeric, class Coeff = float_type>

SPUC::iir_2nd< Numeric, Coeff >::iir_2nd	(	Coeff	B0,
		Coeff	B1,
		Coeff	B2,
		Coeff	A1,
		Coeff	A2,
		long	b = 0
	)			[inline]

template<class Numeric, class Coeff = float_type>

SPUC::iir_2nd< Numeric, Coeff >::iir_2nd	(	Coeff	A1 = 0,
		Coeff	A2 = 0
	)			[inline]

template<class Numeric, class Coeff = float_type>

SPUC::iir_2nd< Numeric, Coeff >::iir_2nd

(

const char *

file

)

[inline]

Constructor reading coefficients from a file.

---

Member Function Documentation

template<class Numeric, class Coeff = float_type>

Numeric SPUC::iir_2nd< Numeric, Coeff >::clock

(

Numeric

input

)

[inline]

Input new sample and calculate output.

template<class Numeric, class Coeff = float_type>

Coeff SPUC::iir_2nd< Numeric, Coeff >::get_b0

(

)

[inline]

template<class Numeric, class Coeff = float_type>

int SPUC::iir_2nd< Numeric, Coeff >::get_round_bits

(

)

[inline]

template<class Numeric, class Coeff = float_type>

void SPUC::iir_2nd< Numeric, Coeff >::print

(

void

)

[inline]

Print out coefficients.

template<class Numeric, class Coeff = float_type>

void SPUC::iir_2nd< Numeric, Coeff >::reset

(

void

)

[inline]

template<class Numeric, class Coeff = float_type>

void SPUC::iir_2nd< Numeric, Coeff >::set_a	(	Coeff	A1,
		Coeff	A2
	)			[inline]

template<class Numeric, class Coeff = float_type>

void SPUC::iir_2nd< Numeric, Coeff >::set_b	(	Coeff	A1,
		Coeff	A2
	)			[inline]

template<class Numeric, class Coeff = float_type>

void SPUC::iir_2nd< Numeric, Coeff >::set_coeffs	(	Coeff	B0,
		Coeff	B1,
		Coeff	B2,
		Coeff	A1,
		Coeff	A2
	)			[inline]

template<class Numeric, class Coeff = float_type>

void SPUC::iir_2nd< Numeric, Coeff >::set_round_bits

(

long

x

)

[inline]

---

Member Data Documentation

template<class Numeric, class Coeff = float_type>

Coeff SPUC::iir_2nd< Numeric, Coeff >::a1 [protected]

template<class Numeric, class Coeff = float_type>

Coeff SPUC::iir_2nd< Numeric, Coeff >::a2 [protected]

template<class Numeric, class Coeff = float_type>

Coeff SPUC::iir_2nd< Numeric, Coeff >::b0 [protected]

template<class Numeric, class Coeff = float_type>

Coeff SPUC::iir_2nd< Numeric, Coeff >::b1 [protected]

template<class Numeric, class Coeff = float_type>

Coeff SPUC::iir_2nd< Numeric, Coeff >::b2 [protected]

template<class Numeric, class Coeff = float_type>

Numeric SPUC::iir_2nd< Numeric, Coeff >::fb0

template<class Numeric, class Coeff = float_type>

Numeric SPUC::iir_2nd< Numeric, Coeff >::fb1

template<class Numeric, class Coeff = float_type>

Numeric SPUC::iir_2nd< Numeric, Coeff >::fb2

template<class Numeric, class Coeff = float_type>

Numeric SPUC::iir_2nd< Numeric, Coeff >::in[3] [protected]

template<class Numeric, class Coeff = float_type>

quantiser<Coeff> SPUC::iir_2nd< Numeric, Coeff >::Q [protected]

template<class Numeric, class Coeff = float_type>

long SPUC::iir_2nd< Numeric, Coeff >::round_bits [protected]

---

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

• iir_2nd.h

---