#ifndef YIN_CPP_H_
#define YIN_CPP_H_
 
#include <ap_fixed.h>
 
// PEDAL SYSTEM PARAMETERS
#define SAMPLE_FREQ     44100
#define NUM_CH          5
 
// YIN PARAMETERS
#define WINDOW_LENGTH        1800
#define W                    (WINDOW_LENGTH / 2)
#define TMIN                 25
#define TMAX                 900
 
typedef ap_fixed<32, 32>data_t;
typedef ap_ufixed<32, 32>udata_t;
typedef ap_fixed<32, 32>fixed_t;
typedef ap_fixed<32, 24>temp_t;
typedef ap_ufixed<32, 28>freq_t;
typedef ap_fixed<32, 3>frac_t;
typedef ap_ufixed<32, 16>ufrac_t;
typedef ap_ufixed<36, 32>scale_t;
 
 
void yin(udata_t *y, data_t x);
 
#endif