3 * Copyright 2005 Free Software Foundation, Inc.
5 * This file is part of GNU Radio
7 * GNU Radio is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 3, or (at your option)
12 * GNU Radio is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with GNU Radio; see the file COPYING. If not, write to
19 * the Free Software Foundation, Inc., 51 Franklin Street,
20 * Boston, MA 02110-1301, USA.
22 #ifndef INCLUDED_GR_NLOG10_FF_H
23 #define INCLUDED_GR_NLOG10_FF_H
25 #include <gr_sync_block.h>
28 typedef boost::shared_ptr<gr_nlog10_ff> gr_nlog10_ff_sptr;
30 gr_nlog10_ff_sptr gr_make_nlog10_ff (float n=1.0, unsigned vlen=1, float k=0);
33 * \brief output = n*log10(input) + k
36 class gr_nlog10_ff : public gr_sync_block
38 friend gr_nlog10_ff_sptr gr_make_nlog10_ff (float n, unsigned vlen, float k);
44 gr_nlog10_ff (float n, unsigned vlen, float k);
49 int work (int noutput_items,
50 gr_vector_const_void_star &input_items,
51 gr_vector_void_star &output_items);
55 #endif /* INCLUDED_GR_NLOG10_FF_H */