GNU Radio 3.5.3.2 C++ API
gr_nlog10_ff.h
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00001 /* -*- c++ -*- */
00002 /*
00003  * Copyright 2005 Free Software Foundation, Inc.
00004  * 
00005  * This file is part of GNU Radio
00006  * 
00007  * GNU Radio is free software; you can redistribute it and/or modify
00008  * it under the terms of the GNU General Public License as published by
00009  * the Free Software Foundation; either version 3, or (at your option)
00010  * any later version.
00011  * 
00012  * GNU Radio is distributed in the hope that it will be useful,
00013  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00014  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00015  * GNU General Public License for more details.
00016  * 
00017  * You should have received a copy of the GNU General Public License
00018  * along with GNU Radio; see the file COPYING.  If not, write to
00019  * the Free Software Foundation, Inc., 51 Franklin Street,
00020  * Boston, MA 02110-1301, USA.
00021  */
00022 #ifndef INCLUDED_GR_NLOG10_FF_H
00023 #define INCLUDED_GR_NLOG10_FF_H
00024 
00025 #include <gr_core_api.h>
00026 #include <gr_sync_block.h>
00027 
00028 class gr_nlog10_ff;
00029 typedef boost::shared_ptr<gr_nlog10_ff> gr_nlog10_ff_sptr;
00030 
00031 GR_CORE_API gr_nlog10_ff_sptr gr_make_nlog10_ff (float n=1.0, unsigned vlen=1, float k=0);
00032 
00033 /*!
00034  * \brief output = n*log10(input) + k
00035  * \ingroup math_blk
00036  */
00037 class GR_CORE_API gr_nlog10_ff : public gr_sync_block
00038 {
00039   friend GR_CORE_API gr_nlog10_ff_sptr gr_make_nlog10_ff (float n, unsigned vlen, float k);
00040 
00041   unsigned int          d_vlen;
00042   float                 d_n;
00043   float                 d_k;
00044 
00045   gr_nlog10_ff (float n, unsigned vlen, float k);
00046 
00047 public:
00048   ~gr_nlog10_ff();
00049 
00050   int work (int noutput_items,
00051             gr_vector_const_void_star &input_items,
00052             gr_vector_void_star &output_items);
00053 };
00054 
00055 
00056 #endif /* INCLUDED_GR_NLOG10_FF_H */