fft_N.h File Reference

#include <stdbool.h>
#include <stddef.h>

Go to the source code of this file.

Macros
#define	CFTTYPE   float

Functions
void	Fft_setup (size_t n)
bool	Fft_transform (CFTTYPE real[], CFTTYPE imag[], size_t n)
bool	Fft_inverseTransform (CFTTYPE real[], CFTTYPE imag[], size_t n)
bool	Fft_transformRadix2 (CFTTYPE real[], CFTTYPE imag[], size_t n)
bool	Fft_transformBluestein (CFTTYPE real[], CFTTYPE imag[], size_t n)
bool	Fft_convolveReal (const CFTTYPE x[], const CFTTYPE y[], CFTTYPE out[], size_t n)
bool	Fft_convolveComplex (const CFTTYPE xreal[], const CFTTYPE ximag[], const CFTTYPE yreal[], const CFTTYPE yimag[], CFTTYPE outreal[], CFTTYPE outimag[], size_t n)

Macro Definition Documentation

#define CFTTYPE   float

Definition at line 34 of file fft_N.h.

Referenced by Fft_setup(), and Fft_transformRadix2().

Function Documentation

void Fft_setup

(

size_t

n

)

Definition at line 42 of file fft_N.c.

References CFTTYPE, cos_table, len, sin_table, and size.

Referenced by csl::Convolver::checkBuffers().

bool Fft_transform	(	CFTTYPE	real[],
		CFTTYPE	imag[],
		size_t	n
	)

Definition at line 72 of file fft_N.c.

References Fft_transformRadix2(), and len.

Referenced by Fft_inverseTransform(), csl::Convolver::nextBuffer(), and csl::Convolver::setIRFile().

bool Fft_inverseTransform	(	CFTTYPE	real[],
		CFTTYPE	imag[],
		size_t	n
	)

Definition at line 87 of file fft_N.c.

References Fft_transform().

Referenced by csl::Convolver::nextBuffer().

bool Fft_transformRadix2	(	CFTTYPE	real[],
		CFTTYPE	imag[],
		size_t	n
	)

Definition at line 91 of file fft_N.c.

References CFTTYPE, cos_table, reverse_bits(), sin_table, and size.

Referenced by Fft_transform().

bool Fft_transformBluestein	(	CFTTYPE	real[],
		CFTTYPE	imag[],
		size_t	n
	)

bool Fft_convolveReal	(	const CFTTYPE	x[],
		const CFTTYPE	y[],
		CFTTYPE	out[],
		size_t	n
	)

bool Fft_convolveComplex	(	const CFTTYPE	xreal[],
		const CFTTYPE	ximag[],
		const CFTTYPE	yreal[],
		const CFTTYPE	yimag[],
		CFTTYPE	outreal[],
		CFTTYPE	outimag[],
		size_t	n
	)