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fft.c File Reference


Detailed Description

FFT/IFFT transforms.

Definition in file fft.c.

#include "dsputil.h"

Go to the source code of this file.

Defines

#define BF(pre, pim, qre, qim, pre1, pim1, qre1, qim1)
#define CMUL(pre, pim, are, aim, bre, bim)
#define MUL16(a, b)   ((a) * (b))

Functions

void ff_fft_calc_c (FFTContext *s, FFTComplex *z)
void ff_fft_end (FFTContext *s)
int ff_fft_init (FFTContext *s, int nbits, int inverse)
void ff_fft_permute (FFTContext *s, FFTComplex *z)


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