diff options
Diffstat (limited to 'gr-howto-write-a-block/src/lib/howto_square_ff.cc')
-rw-r--r-- | gr-howto-write-a-block/src/lib/howto_square_ff.cc | 98 |
1 files changed, 0 insertions, 98 deletions
diff --git a/gr-howto-write-a-block/src/lib/howto_square_ff.cc b/gr-howto-write-a-block/src/lib/howto_square_ff.cc deleted file mode 100644 index 5ab45d1f2..000000000 --- a/gr-howto-write-a-block/src/lib/howto_square_ff.cc +++ /dev/null @@ -1,98 +0,0 @@ -/* -*- 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 <howto_square_ff.h> -#include <gr_io_signature.h> - -/* - * Create a new instance of howto_square_ff and return - * a boost shared_ptr. This is effectively the public constructor. - */ -howto_square_ff_sptr -howto_make_square_ff () -{ - return howto_square_ff_sptr (new howto_square_ff ()); -} - -/* - * 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 - */ -howto_square_ff::howto_square_ff () - : 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. - */ -howto_square_ff::~howto_square_ff () -{ - // nothing else required in this example -} - -int -howto_square_ff::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; -} |