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Diffstat (limited to 'gr-howto-write-a-block/lib/square_ff_impl.cc')
| -rw-r--r-- | gr-howto-write-a-block/lib/square_ff_impl.cc | 105 |
1 files changed, 0 insertions, 105 deletions
diff --git a/gr-howto-write-a-block/lib/square_ff_impl.cc b/gr-howto-write-a-block/lib/square_ff_impl.cc deleted file mode 100644 index d49f72da1e..0000000000 --- a/gr-howto-write-a-block/lib/square_ff_impl.cc +++ /dev/null @@ -1,105 +0,0 @@ -/* -*- c++ -*- */ -/* - * Copyright 2004,2010,2012 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 "square_ff_impl.h" -#include <gr_io_signature.h> - -namespace gr { - namespace howto { - - /* - * Create a new instance of howto_square_ff and return a boost - * shared_ptr. This is effectively the public constructor. - */ - square_ff::sptr - square_ff::make() - { - return gnuradio::get_initial_sptr - (new square_ff_impl()); - } - - /* - * Specify constraints on number of input and output streams. - * This info is used to construct the input and output signatures - * (2nd & 3rd args to gr_block's constructor). The input and - * output signatures are used by the runtime system to - * check that a valid number and type of inputs and outputs - * are connected to this block. In this case, we accept - * only 1 input and 1 output. - */ - static const int MIN_IN = 1; // mininum number of input streams - static const int MAX_IN = 1; // maximum number of input streams - static const int MIN_OUT = 1; // minimum number of output streams - static const int MAX_OUT = 1; // maximum number of output streams - - /* - * The private constructor - */ - square_ff_impl::square_ff_impl() - : gr_block("square_ff", - gr_make_io_signature(MIN_IN, MAX_IN, sizeof(float)), - gr_make_io_signature(MIN_OUT, MAX_OUT, sizeof(float))) - { - // nothing else required in this example - } - - /* - * Our virtual destructor. - */ - square_ff_impl::~square_ff_impl() - { - // nothing else required in this example - } - - 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]; - - 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 howto */ -} /* namespace gr */ |