#ifndef __PDR_FFT_H__
#define __PDR_FFT_H__

/* Header File Including ------------------------------------------------------------------------ */
#include <stdint.h>
#include <math.h>

/* Macro Declaration ---------------------------------------------------------------------------- */
#define M_PI            3.14159265358979323846  /* pi */

// #define MATLAB_DEBUG
// #define MATLAB_MAIN

/* Structure Declaration ------------------------------------------------------------------------ */
typedef struct myComplex {
    float real;
    float image;
} myComplex;

/* Function Declaration ------------------------------------------------------------------------- */
extern int FFT_dft(myComplex *fft, float *signal, int length);

extern int FFT_fft(myComplex *fft, float *signal, int length);

#endif