Aleph::FFT< Real >::BiquadSection Struct Reference

A stable Second-Order Section (SOS) building block. More...

#include <fft.H>

Public Member Functions
Array< Real >	numerator () const
Array< Real >	denominator () const

Public Attributes
Real	b0 = Real(1)
Real	b1 = Real(0)
Real	b2 = Real(0)
Real	a0 = Real(1)
Real	a1 = Real(0)
Real	a2 = Real(0)

Detailed Description

template<std::floating_point Real = double>
struct Aleph::FFT< Real >::BiquadSection

A stable Second-Order Section (SOS) building block.

Commonly used in biquad cascades to avoid numerical instability.

Definition at line 195 of file fft.H.

Member Function Documentation

denominator()

template<std::floating_point Real = double>

Array< Real > Aleph::FFT< Real >::BiquadSection::denominator ( ) const

inline

Returns

A copy of the denominator coefficients.

Definition at line 213 of file fft.H.

References Aleph::FFT< Real >::BiquadSection::a0, Aleph::FFT< Real >::BiquadSection::a1, and Aleph::FFT< Real >::BiquadSection::a2.

numerator()

template<std::floating_point Real = double>

Array< Real > Aleph::FFT< Real >::BiquadSection::numerator ( ) const

inline

Returns

A copy of the numerator coefficients.

Definition at line 206 of file fft.H.

References Aleph::FFT< Real >::BiquadSection::b0, Aleph::FFT< Real >::BiquadSection::b1, and Aleph::FFT< Real >::BiquadSection::b2.

Member Data Documentation

a0

template<std::floating_point Real = double>

Real Aleph::FFT< Real >::BiquadSection::a0 = Real(1)

Definition at line 200 of file fft.H.

Referenced by Aleph::FFT< Real >::BiquadSection::denominator().

a1

template<std::floating_point Real = double>

Real Aleph::FFT< Real >::BiquadSection::a1 = Real(0)

Definition at line 201 of file fft.H.

Referenced by Aleph::FFT< Real >::BiquadSection::denominator().

a2

template<std::floating_point Real = double>

Real Aleph::FFT< Real >::BiquadSection::a2 = Real(0)

Definition at line 202 of file fft.H.

Referenced by Aleph::FFT< Real >::BiquadSection::denominator().

b0

template<std::floating_point Real = double>

Real Aleph::FFT< Real >::BiquadSection::b0 = Real(1)

Definition at line 197 of file fft.H.

Referenced by Aleph::FFT< Real >::BiquadSection::numerator().

b1

template<std::floating_point Real = double>

Real Aleph::FFT< Real >::BiquadSection::b1 = Real(0)

Definition at line 198 of file fft.H.

Referenced by Aleph::FFT< Real >::BiquadSection::numerator().

b2

template<std::floating_point Real = double>

Real Aleph::FFT< Real >::BiquadSection::b2 = Real(0)

Definition at line 199 of file fft.H.

Referenced by Aleph::FFT< Real >::BiquadSection::numerator().

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

• fft.H