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

/*

 * Copyright 2005,2010 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_vco_f.h>

#include <gr_io_signature.h>

#include <math.h>

gr_vco_f_sptr

gr_make_vco_f(double sampling_rate, double sensitivity, double amplitude)

{

  return gnuradio::get_initial_sptr(new gr_vco_f(sampling_rate, sensitivity, amplitude));

}

gr_vco_f::gr_vco_f(double sampling_rate, double sensitivity, double amplitude)

  : gr_sync_block("vco_f",

                  gr_make_io_signature(1, 1, sizeof(float)),

                  gr_make_io_signature(1, 1, sizeof(float))),

    d_sampling_rate(sampling_rate), d_sensitivity(sensitivity), d_amplitude(amplitude),

    d_k(d_sensitivity/d_sampling_rate)

{

}

int

gr_vco_f::work (int noutput_items,

                gr_vector_const_void_star &input_items,

                gr_vector_void_star &output_items)

{

  const float *input = (const float *)input_items[0];

  float *output = (float *)output_items[0];

  d_vco.cos(output, input, noutput_items, d_k, d_amplitude);

  return noutput_items;

}