radfft.cpp File Reference

#include "rrCore.h"
#include "radfft.h"
#include <math.h>
#include "radfft_tables.inl"

Classes
struct	PlanElement
struct	KernelSet

Macros
#define	USETABLES
#define	FFTASSERT(cond)   if (!(cond)) RR_BREAK()
#define	FFTALIGNED(type, name)   static RAD_ALIGN(type const, name, RADFFT_ALIGN)
#define	ALIGNHINT(var, align)
#define	FFTTABLE(type, name)   FFTALIGNED(type, name)
#define	RAD_HAS_BUILTIN(n)   0
#define	STATIC_KERNEL   &s_kernel_scalar
#define	s_kernel   (STATIC_KERNEL)

Typedefs
typedef U16	Index
typedef void	CFFTKernel(rfft_complex data[], PlanElement const *plan, UINTa Nover4)
typedef void	BaseKernel(rfft_complex out[], rfft_complex const in0[], rfft_complex const in1[], rfft_complex const in2[], rfft_complex const in3[], UINTa j0, UINTa j1, Index const *perm)
typedef void	MergeSplitKernel(F32 out[], F32 const in[], UINTa N)
typedef void	MergeSplitKernelS16(S16 out[], F32 scale, F32 const in[], UINTa N)
typedef void	MergeSplitKernelS16S(S16 out[], S16 left[], F32 scale, F32 const in[], UINTa N)
typedef void	ModulateKernel(F32 out[], F32 const in[], UINTa N, UINTa Nlast, rfft_complex const *twiddle)

Functions
RADDEFEND typedef void	RFFTPrePostKernel (rfft_complex data[], UINTa kEnd, UINTa N4)
void RADLINK	radfft_init ()
void RADLINK	radfft_cfft (rfft_complex out[], rfft_complex const in[], UINTa N)
void RADLINK	radfft_cifft (rfft_complex out[], rfft_complex const in[], UINTa N)
void RADLINK	radfft_rfft (rfft_complex out[], F32 const in[], UINTa N)
void RADLINK	radfft_dct (F32 out[], F32 in[], UINTa N)
void RADLINK	radfft_rifft (F32 out[], rfft_complex in[], UINTa N)
void RADLINK	radfft_idct (F32 out[], F32 in[], UINTa N)
void RADLINK	radfft_idct_to_S16 (S16 outs16[], F32 scale, F32 tmp[], F32 in[], UINTa N)
void RADLINK	radfft_idct_to_S16_stereo_interleave (S16 outs16[], S16 left[], F32 scale, F32 tmp[], F32 in[], UINTa N)

Macro Definition Documentation

ALIGNHINT

#define ALIGNHINT	(		var,
			align
	)

FFTALIGNED

#define FFTALIGNED	(		type,
			name
	)		static RAD_ALIGN(type const, name, RADFFT_ALIGN)

FFTASSERT

#define FFTASSERT

(

cond

)

if (!(cond)) RR_BREAK()

FFTTABLE

#define FFTTABLE	(		type,
			name
	)		FFTALIGNED(type, name)

RAD_HAS_BUILTIN

#define RAD_HAS_BUILTIN

(

n

)

0

s_kernel

#define s_kernel   (STATIC_KERNEL)

STATIC_KERNEL

#define STATIC_KERNEL   &s_kernel_scalar

USETABLES

#define USETABLES

Typedef Documentation

BaseKernel

typedef void BaseKernel(rfft_complex out[], rfft_complex const in0[], rfft_complex const in1[], rfft_complex const in2[], rfft_complex const in3[], UINTa j0, UINTa j1, Index const *perm)

CFFTKernel

typedef void CFFTKernel(rfft_complex data[], PlanElement const *plan, UINTa Nover4)

Index

typedef U16 Index

MergeSplitKernel

typedef void MergeSplitKernel(F32 out[], F32 const in[], UINTa N)

MergeSplitKernelS16

typedef void MergeSplitKernelS16(S16 out[], F32 scale, F32 const in[], UINTa N)

MergeSplitKernelS16S

typedef void MergeSplitKernelS16S(S16 out[], S16 left[], F32 scale, F32 const in[], UINTa N)

ModulateKernel

typedef void ModulateKernel(F32 out[], F32 const in[], UINTa N, UINTa Nlast, rfft_complex const *twiddle)

Function Documentation

radfft_cfft()

void RADLINK radfft_cfft	(	rfft_complex	out[],
		rfft_complex const	in[],
		UINTa	N
	)

radfft_cifft()

void RADLINK radfft_cifft	(	rfft_complex	out[],
		rfft_complex const	in[],
		UINTa	N
	)

radfft_dct()

void RADLINK radfft_dct	(	F32	out[],
		F32	in[],
		UINTa	N
	)

radfft_idct()

void RADLINK radfft_idct	(	F32	out[],
		F32	in[],
		UINTa	N
	)

radfft_idct_to_S16()

void RADLINK radfft_idct_to_S16	(	S16	outs16[],
		F32	scale,
		F32	tmp[],
		F32	in[],
		UINTa	N
	)

radfft_idct_to_S16_stereo_interleave()

void RADLINK radfft_idct_to_S16_stereo_interleave	(	S16	outs16[],
		S16	left[],
		F32	scale,
		F32	tmp[],
		F32	in[],
		UINTa	N
	)

radfft_init()

void RADLINK radfft_init

(

)

radfft_rfft()

void RADLINK radfft_rfft	(	rfft_complex	out[],
		F32 const	in[],
		UINTa	N
	)

radfft_rifft()

void RADLINK radfft_rifft	(	F32	out[],
		rfft_complex	in[],
		UINTa	N
	)

RFFTPrePostKernel()

RADDEFEND typedef void RFFTPrePostKernel	(	rfft_complex	data[],
		UINTa	kEnd,
		UINTa	N4
	)