/* -*- c++ -*- */

/*

 * Copyright 2004,2007,2008 Free Software Foundation, Inc.

 * 

 * This file is part of GNU Radio

 * 

 * GNU Radio 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 3, or (at your option)

 * any later version.

 * 

 * GNU Radio 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 GNU Radio; see the file COPYING.  If not, write to

 * the Free Software Foundation, Inc., 51 Franklin Street,

 * Boston, MA 02110-1301, USA.

 */

#ifdef HAVE_CONFIG_H

#include "config.h"

#endif

#include <gr_fft_vcc.h>                // abstract class

#include <gr_fft_vcc_fftw.h>        // concrete class

#include <gr_io_signature.h>

#include <gri_fft.h>

#include <math.h>

#include <string.h>

gr_fft_vcc_sptr

gr_make_fft_vcc (int fft_size, bool forward,const std::vector<float> &window, bool shift)

{

  return gr_make_fft_vcc_fftw(fft_size, forward, window, shift);

}

gr_fft_vcc::gr_fft_vcc (const std::string &name,

                        int fft_size, bool forward, const std::vector<float> &window,

                        bool shift)

  : gr_sync_block (name,

                   gr_make_io_signature (1, 1, fft_size * sizeof (gr_complex)),

                   gr_make_io_signature (1, 1, fft_size * sizeof (gr_complex))),

    d_fft_size(fft_size), d_forward(forward), d_shift(shift)

{

  set_window(window);

}

gr_fft_vcc::~gr_fft_vcc ()

{

}

bool 

gr_fft_vcc::set_window(const std::vector<float> &window)

{

  if(window.size()==0 || window.size()==d_fft_size) {

    d_window=window;

    return true;

  }

  else 

    return false;

}