#ifndef _COSTAS_
#define _COSTAS_

#include <complex>
#include <liquid/liquid.h>

class CostasBeaconSync {


    float alpha;
    float beta;

    float min_freq;
    float max_freq;

    float loop_freq;
    float loop_phase;

    firfilt_crcf bandpass;

    agc_crcf agc;

    public:
        CostasBeaconSync(float, float, float, float);

        std::complex<float> work(liquid_float_complex);
};


#endif