gfft.h File Reference

#include <complex>

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Classes
class	g_fft< FFT_TYPE >

Macros
#define	FFT_RECIPLN2   1.442695040888963407359924681001892137426
#define	LOG2(a)   (FFT_RECIPLN2*log(a))
#define	POW2(m)   ((unsigned int) 1 << (m))
#define	MCACHE   (11 - (sizeof(FFT_TYPE) / 8))
#define	FFT_PI   3.141592653589793238462643383279502884197
#define	FFT_ROOT2   1.414213562373095048801688724209698078569
#define	FFT_COSPID8   0.9238795325112867561281831893967882868224
#define	FFT_SINPID8   0.3826834323650897717284599840303988667613

Macro Definition Documentation

FFT_COSPID8

#define FFT_COSPID8   0.9238795325112867561281831893967882868224

Definition at line 51 of file gfft.h.

Referenced by g_fft< float >::rfft8pt(), and g_fft< float >::rifft8pt().

FFT_PI

#define FFT_PI   3.141592653589793238462643383279502884197

Definition at line 49 of file gfft.h.

Referenced by g_fft< float >::fftCosInit().

FFT_RECIPLN2

#define FFT_RECIPLN2   1.442695040888963407359924681001892137426

Definition at line 39 of file gfft.h.

FFT_ROOT2

#define FFT_ROOT2   1.414213562373095048801688724209698078569

Definition at line 50 of file gfft.h.

Referenced by g_fft< float >::bfR4(), g_fft< float >::fft8pt(), g_fft< float >::ibfR4(), g_fft< float >::ifft8pt(), g_fft< float >::rfft4pt(), g_fft< float >::rfft8pt(), g_fft< float >::rifft4pt(), and g_fft< float >::rifft8pt().

FFT_SINPID8

#define FFT_SINPID8   0.3826834323650897717284599840303988667613

Definition at line 52 of file gfft.h.

Referenced by g_fft< float >::rfft8pt(), and g_fft< float >::rifft8pt().

LOG2

#define LOG2

(

a

)

(FFT_RECIPLN2*log(a))

Definition at line 42 of file gfft.h.

MCACHE

#define MCACHE   (11 - (sizeof(FFT_TYPE) / 8))

Definition at line 46 of file gfft.h.

Referenced by g_fft< float >::fftrecurs(), g_fft< float >::ffts1(), g_fft< float >::ifftrecurs(), g_fft< float >::iffts1(), g_fft< float >::rffts1(), and g_fft< float >::riffts1().

POW2

#define POW2

(

m

)

((unsigned int) 1 << (m))

Definition at line 43 of file gfft.h.

Referenced by g_fft< float >::bfR2(), g_fft< float >::bfR4(), g_fft< float >::bfstages(), g_fft< float >::bitrevR2(), g_fft< float >::fftBRInit(), g_fft< float >::fftCosInit(), g_fft< float >::fftInit(), g_fft< float >::fftrecurs(), g_fft< float >::frstage(), g_fft< float >::ibfR2(), g_fft< float >::ibfR4(), g_fft< float >::ibfstages(), g_fft< float >::ifftrecurs(), g_fft< float >::iffts1(), g_fft< float >::ifrstage(), g_fft< float >::riffts1(), and g_fft< float >::scbitrevR2().