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/* -*- c++ -*- */
/*
* Copyright 2004 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.
*/
/*
* config.h is generated by configure. It contains the results
* of probing for features, options etc. It should be the first
* file included in your .cc file.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <dab_sum_elements_vff.h>
#include <gr_io_signature.h>
/*
* Create a new instance of dab_sum_elements_vff and return
* a boost shared_ptr. This is effectively the public constructor.
*/
dab_sum_elements_vff_sptr
dab_make_sum_elements_vff (unsigned int length)
{
return gnuradio::get_initial_sptr (new dab_sum_elements_vff (length));
}
dab_sum_elements_vff::dab_sum_elements_vff (unsigned int length) :
gr_sync_block ("sum_elements_vff",
gr_make_io_signature (1, 1, sizeof(float)*length),
gr_make_io_signature (1, 1, sizeof(float))),
d_length(length)
{
}
int
dab_sum_elements_vff::work (int noutput_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];
double sum;
for (int i = 0; i < noutput_items; i++){
sum = 0;
for (unsigned int j = 0; j < d_length; j++)
sum += *in++;
*out++ = (float)sum;
}
return noutput_items;
}
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