SPUC::iir< Numeric, Coeff > Class Template Reference

Tempate Class for iir filter. More...

#include <iir.h>

Public Types
typedef mixed_type< Numeric, Coeff >::dtype	mult_type

Public Member Functions
	iir (iir_coeff &design)
	ord = Filter order More...
	iir (long ord=1)
	ord = Filter order More...
void	clear ()
void	realloc (iir_coeff &design)
	~iir ()
	Destructor. More...
int	stages ()
void	reset ()
	Reset history. More...
void	set_coeffs (iir_coeff &design)
	Set 2nd order IIR coefficients. More...
void	set_round_bits (int stage, int bits)
	Set 2nd order IIR coefficients. More...
void	print ()
	print coefficients More...
Numeric	clock (Numeric in)
	Clock in sample and get output. More...

Public Attributes
long	order
long	odd
long	n2
std::vector< iir_2nd< Numeric, Coeff > >	sos
iir_lpf1< Numeric, Coeff >	fos
Coeff	gain
quantiser< Numeric >	Q

Detailed Description

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

Tempate Class for iir filter.

consisting of first and second order filter sections

Author

Tony Kirke

Member Typedef Documentation

template<class Numeric, class Coeff = float_type>

typedef mixed_type<Numeric,Coeff>::dtype SPUC::iir< Numeric, Coeff >::mult_type

Constructor & Destructor Documentation

template<class Numeric, class Coeff = float_type>

SPUC::iir< Numeric, Coeff >::iir ( iir_coeff &  design )

inline

ord = Filter order

References SPUC::iir_coeff::n2, SPUC::iir_coeff::odd, SPUC::iir_coeff::order, and SPUC::iir< Numeric, Coeff >::set_coeffs().

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template<class Numeric, class Coeff = float_type>

SPUC::iir< Numeric, Coeff >::iir ( long  ord = 1 )

inline

ord = Filter order

template<class Numeric, class Coeff = float_type>

SPUC::iir< Numeric, Coeff >::~iir ( )

inline

Destructor.

Member Function Documentation

template<class Numeric, class Coeff = float_type>

void SPUC::iir< Numeric, Coeff >::clear ( )

inline

template<class Numeric, class Coeff = float_type>

Numeric SPUC::iir< Numeric, Coeff >::clock ( Numeric  in )

inline

Clock in sample and get output.

References SPUC::iir_lpf1< Numeric, Coeff >::clock(), SPUC::iir< Numeric, Coeff >::n2, SPUC::iir< Numeric, Coeff >::odd, and SPUC::iir< Numeric, Coeff >::Q.

Referenced by main().

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template<class Numeric, class Coeff = float_type>

void SPUC::iir< Numeric, Coeff >::print ( void  )

inline

print coefficients

References SPUC::iir< Numeric, Coeff >::n2, and SPUC::iir_lpf1< Numeric, Coeff >::print().

Referenced by main().

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template<class Numeric, class Coeff = float_type>

void SPUC::iir< Numeric, Coeff >::realloc ( iir_coeff &  design )

inline

References SPUC::iir_coeff::n2, SPUC::iir_coeff::odd, SPUC::iir_coeff::order, SPUC::iir< Numeric, Coeff >::reset(), and SPUC::iir< Numeric, Coeff >::set_coeffs().

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template<class Numeric, class Coeff = float_type>

void SPUC::iir< Numeric, Coeff >::reset ( void  )

inline

Reset history.

References SPUC::iir< Numeric, Coeff >::n2, and SPUC::iir_lpf1< Numeric, Coeff >::reset().

Referenced by SPUC::iir< Numeric, Coeff >::realloc().

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template<class Numeric, class Coeff = float_type>

void SPUC::iir< Numeric, Coeff >::set_coeffs ( iir_coeff &  design )

inline

Set 2nd order IIR coefficients.

References SPUC::iir_coeff::convert_to_ab(), SPUC::iir_coeff::gain, SPUC::iir< Numeric, Coeff >::n2, SPUC::iir< Numeric, Coeff >::odd, SPUC::iir_coeff::poles, SPUC::iir_lpf1< Numeric, Coeff >::set_coeff(), SPUC::iir_coeff::state, and SPUC::iir_coeff::zeros.

Referenced by SPUC::iir< Numeric, Coeff >::iir(), and SPUC::iir< Numeric, Coeff >::realloc().

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template<class Numeric, class Coeff = float_type>

void SPUC::iir< Numeric, Coeff >::set_round_bits ( int  stage, int  bits  )

inline

Set 2nd order IIR coefficients.

References SPUC::iir_lpf1< Numeric, Coeff >::set_round_bits().

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template<class Numeric, class Coeff = float_type>

int SPUC::iir< Numeric, Coeff >::stages ( )

inline

Member Data Documentation

template<class Numeric, class Coeff = float_type>

iir_lpf1< Numeric, Coeff > SPUC::iir< Numeric, Coeff >::fos

template<class Numeric, class Coeff = float_type>

Coeff SPUC::iir< Numeric, Coeff >::gain

template<class Numeric, class Coeff = float_type>

long SPUC::iir< Numeric, Coeff >::n2

Referenced by SPUC::iir< Numeric, Coeff >::clock(), SPUC::iir< Numeric, Coeff >::print(), SPUC::iir< Numeric, Coeff >::reset(), and SPUC::iir< Numeric, Coeff >::set_coeffs().

template<class Numeric, class Coeff = float_type>

long SPUC::iir< Numeric, Coeff >::odd

Referenced by SPUC::iir< Numeric, Coeff >::clock(), and SPUC::iir< Numeric, Coeff >::set_coeffs().

template<class Numeric, class Coeff = float_type>

long SPUC::iir< Numeric, Coeff >::order

template<class Numeric, class Coeff = float_type>

quantiser<Numeric> SPUC::iir< Numeric, Coeff >::Q

Referenced by SPUC::iir< Numeric, Coeff >::clock().

template<class Numeric, class Coeff = float_type>

std::vector<iir_2nd< Numeric, Coeff > > SPUC::iir< Numeric, Coeff >::sos

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

• iir.h