/* -*- c++ -*- */
/* 
 * Copyright 2018 gr-jay author.
 * 
 * This 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.
 * 
 * This software 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 software; see the file COPYING.  If not, write to
 * the Free Software Foundation, Inc., 51 Franklin Street,
 * Boston, MA 02110-1301, USA.
 */

#include <stdio.h>
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif

#include <gnuradio/io_signature.h>
#include "square_ff_impl.h"

namespace gr {
  namespace jay {

    square_ff::sptr square_ff::make()
    {
      return gnuradio::get_initial_sptr(new square_ff_impl());
    }

    /*
     * The private constructor
     */
    square_ff_impl::square_ff_impl()
      : gr::block("square_ff",
              gr::io_signature::make(1, 1, sizeof(float)),
              gr::io_signature::make(1, 1, sizeof(float)))
    {
		fprintf(stderr, "Halloooooooooooooooooooo\n");
	}

    /*
     * Our virtual destructor.
     */
    square_ff_impl::~square_ff_impl()
    {
    }

	long min_output_buffer(size_t i)
	{
		fprintf(stderr, "min_output_buffer\n");
		return 1;
	}

    void
    square_ff_impl::forecast (int noutput_items, gr_vector_int &ninput_items_required)
    {
		printf("noutput_items = %u\n", noutput_items);
      ninput_items_required[0] = noutput_items;
    }

    int
    square_ff_impl::general_work (int noutput_items,
                       gr_vector_int &ninput_items,
                       gr_vector_const_void_star &input_items,
                       gr_vector_void_star &output_items)
    {
      const float *in = (const float *) input_items[0];
      float *out = (float *) output_items[0];

      // Do <+signal processing+>
      for (int i=0; i < noutput_items; i++)
      {
        out[i] = in[i] * in[i];
      }

      // Tell runtime system how many input items we consumed on
      // each input stream.
      consume_each (noutput_items);

      // Tell runtime system how many output items we produced.
      return noutput_items;
    }

  } /* namespace jay */
} /* namespace gr */

