Files
GnuRadio/gr-jay/lib/square_ff_impl.cc
T
jens a87d2f154e - moved
git-svn-id: http://moon:8086/svn/software/trunk/projects/GnuRadio@372 b431acfa-c32f-4a4a-93f1-934dc6c82436
2018-12-16 07:48:58 +00:00

94 lines
2.4 KiB
C++

/* -*- 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 */