fft.h

#ifndef LIBCLOD_FFT_H
#define LIBCLOD_FFT_H
 
#include <clod/lib.h>
#include <stdint.h>

#define CLOD_FFT_INPUT 0x0100
#define CLOD_FFT_OUTPUT 0x010000

#define CLOD_FFT_TIME_COMPLEX 1
#define CLOD_FFT_TIME_MAG_PACKED 2
#define CLOD_FFT_FREQ_COMPLEX 3
#define CLOD_FFT_FREQ_MAG 4

#define CLOD_FFT_FORWARD     (CLOD_FFT_INPUT * CLOD_FFT_TIME_COMPLEX + CLOD_FFT_OUTPUT * CLOD_FFT_FREQ_COMPLEX)
#define CLOD_FFT_INVERSE     (CLOD_FFT_INPUT * CLOD_FFT_FREQ_COMPLEX + CLOD_FFT_OUTPUT * CLOD_FFT_TIME_COMPLEX)
#define CLOD_FFT_EXTRACT     (CLOD_FFT_INPUT * CLOD_FFT_TIME_COMPLEX + CLOD_FFT_OUTPUT * CLOD_FFT_FREQ_MAG)
#define CLOD_FFT_RECONSTRUCT (CLOD_FFT_INPUT * CLOD_FFT_FREQ_MAG     + CLOD_FFT_OUTPUT * CLOD_FFT_TIME_COMPLEX)

CLOD_API CLOD_NONNULL(1)
void clod_fft(float *restrict data, size_t len, int opt);
 
#endif