#include <sp/spPlugin.h>
#include <sp/vector.h>

fft.h の依存先関係図:

被依存関係図:

マクロ定義
#define	SP_FFT_HIGHEST_PRECISION SP_HIGHEST_PRECISION

#define	SP_FFT_HIGH_DOUBLE_PRECISION SP_HIGH_DOUBLE_PRECISION

#define	SP_FFT_DOUBLE_PRECISION SP_DOUBLE_PRECISION

#define	SP_FFT_LOW_DOUBLE_PRECISION SP_LOW_DOUBLE_PRECISION

#define	SP_FFT_HIGH_FLOAT_PRECISION SP_HIGH_FLOAT_PRECISION

#define	SP_FFT_FLOAT_PRECISION SP_FLOAT_PRECISION

#define	SP_FFT_LOW_FLOAT_PRECISION SP_LOW_FLOAT_PRECISION

#define	SP_FFT_32BIT_PRECISION SP_32BIT_PRECISION

#define	SP_FFT_24BIT_PRECISION SP_24BIT_PRECISION

#define	SP_FFT_16BIT_PRECISION SP_16BIT_PRECISION

#define	SP_FFT_IGNORE_PRECISION SP_IGNORE_PRECISION

#define	SP_FFT_UNKNOWN_PRECISION SP_UNKNOWN_PRECISION

#define	SP_FFT_DEFAULT_PRECISION SP_FFT_FLOAT_PRECISION

#define	SP_FFT_SPEED_EXTREMELY_FAST SP_COMPUTE_SPEED_EXTREMELY_FAST

#define	SP_FFT_SPEED_VERY_FAST SP_COMPUTE_SPEED_VERY_FAST

#define	SP_FFT_SPEED_FASTER SP_COMPUTE_SPEED_FASTER

#define	SP_FFT_SPEED_FAST SP_COMPUTE_SPEED_FAST

#define	SP_FFT_SPEED_NORMAL SP_COMPUTE_SPEED_NORMAL

#define	SP_FFT_SPEED_SLOW SP_COMPUTE_SPEED_SLOW

#define	SP_FFT_SPEED_SLOWER SP_COMPUTE_SPEED_SLOWER

#define	SP_FFT_SPEED_VERY_SLOW SP_COMPUTE_SPEED_VERY_SLOW

#define	SP_FFT_SPEED_EXTREMELY_SLOW SP_COMPUTE_SPEED_EXTREMELY_SLOW

#define	SP_FFT_SPEED_UNKNOWN SP_COMPUTE_SPEED_UNKNOWN

型定義
typedef struct _spFFTRec *	spFFTRec

関数
FFTの実行 (<sp/fft.h>)
int	spfftf (float xRe, float xIm, long fftl, int inv)

int	spfft (double xRe, double xIm, long fftl, int inv)

int	sprfftf (float *data, long fftl, int inv)

int	sprfft (double *data, long fftl, int inv)

FFT用データシフト (<sp/fft.h>)
void	datashifts (short *data, long length, long shift)

void	datashiftl (long *data, long length, long shift)

void	datashiftf (float *data, long length, long shift)

void	datashift (double *data, long length, long shift)

void	ridatashifts (short real, short imag, long length, long shift)

void	ridatashiftl (long real, long imag, long length, long shift)

void	ridatashiftf (float real, float imag, long length, long shift)

void	ridatashift (double real, double imag, long length, long shift)

void	circshifts (short *data, long length, long shift)

void	circshiftl (long *data, long length, long shift)

void	circshiftf (float *data, long length, long shift)

void	circshift (double *data, long length, long shift)

void	ricircshifts (short real, short imag, long length, long shift)

void	ricircshiftl (long real, long imag, long length, long shift)

void	ricircshiftf (float real, float imag, long length, long shift)

void	ricircshift (double real, double imag, long length, long shift)

void	fftturnf (float xRe, float xIm, long fftl)

void	fftturn (double xRe, double xIm, long fftl)

void	fftshiftf (float xRe, float xIm, long fftl)

void	fftshift (double xRe, double xIm, long fftl)

FFTプラグインによるFFTの実行 (<sp/fft.h>)
int	spGetNumFFTPlugin (void)

char *	xspSearchFFTPluginFile (int *index)

spBool	spSetDefaultFFTPlugin (const char *name)

spBool	spIsFFTPlugin (spPlugin *plugin)

spPlugin *	spLoadFFTPlugin (const char *name)

spBool	spFreeFFTPlugin (spPlugin *plugin)

spFFTSpeed	spGetFFTSpeed (spFFTPrecision precision)

spFFTRec	spInitBatchedFFTByPlugin (spPlugin *plugin, long order, long batch, spFFTPrecision precision)

spFFTRec	spInitBatchedFFT (long order, long batch, spFFTPrecision precision)

spFFTRec	spInitFFTByPlugin (spPlugin *plugin, long order, spFFTPrecision precision)

spFFTRec	spInitFFT (long order, spFFTPrecision precision)

spBool	spFreeFFT (spFFTRec fftrec)

spBool	spResetFFTOrder (spFFTRec fftrec, long order)

long	spGetFFTOrder (spFFTRec fftrec)

long	spGetFFTLength (spFFTRec fftrec)

long	spGetFFTBatch (spFFTRec fftrec)

spBool	spExecFFTF (spFFTRec fftrec, float real, float imag, int inv)

spBool	spExecFFT (spFFTRec fftrec, double real, double imag, int inv)

spBool	spExecRealFFTF (spFFTRec fftrec, float *data, int inv)

spBool	spExecRealFFT (spFFTRec fftrec, double *data, int inv)

spBool	spExecFFTPowerF (spFFTRec fftrec, float *data, float exponent)

spBool	spExecFFTPower (spFFTRec fftrec, double *data, double exponent)

マクロ定義

型定義

関数