Goertzel.hpp

/*
 * Goertzel.hpp
 * 
 * Copyright 2018 Fernando Pujaico Rivera <fernando.pujaico.rivera@gmail.com>
 * 
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
 * MA 02110-1301, USA.
 * 
 */
 
#ifndef __PDS_GOERTZEL_HPP__
#define __PDS_GOERTZEL_HPP__
 
#include <string>
#include <Pds/Complex>
#include <Pds/Ra>
 
namespace Pds{
 
class Matrix;
 
class Goertzel
{
 
private:
        double a;
 
        unsigned int k;
 
        Pds::Complex W;
 
        unsigned int N;
public:
 
    Goertzel(void);
    
 
    Goertzel(unsigned int k,unsigned int N);
 
    Goertzel(const Pds::Goertzel &B);
 
    
    ~Goertzel(); 
    
public:
 
    bool Configure(unsigned int k,unsigned int N);
 
public:
 
    Pds::Complex Evaluate(const Pds::Vector &X) const;
 
public:
 
    bool IsEmpty(void) const;
 
public:
 
    void Print(std::string str="") const;
 
    void PrintStylized(std::string str="") const;
}; // Class Goertzel
 
} // namespace Pds
 
 
#endif