1 /* -*- c++ -*- */ 2 /* 3 * Copyright 2012 Free Software Foundation, Inc. 4 * 5 * This file is part of GNU Radio 6 * 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) 10 * any later version. 11 * 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. 16 * 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. 21 */ 22 23 #ifndef INCLUDED_BLOCKS_INT_TO_FLOAT_H 24 #define INCLUDED_BLOCKS_INT_TO_FLOAT_H 25 26 #include <gnuradio/blocks/api.h> 27 #include <gnuradio/sync_block.h> 28 29 namespace gr { 30 namespace blocks { 31 32 /*! 33 * \brief Convert stream of ints to a stream of floats. 34 * \ingroup type_converters_blk 35 */ 36 class BLOCKS_API int_to_float : virtual public sync_block 37 { 38 public: 39 // gr::blocks::int_to_float_ff::sptr 40 typedef boost::shared_ptr<int_to_float> sptr; 41 42 /*! 43 * Build an int to float block. 44 * 45 * \param vlen vector length of data streams. 46 * \param scale a scalar divider to change the output signal scale. 47 */ 48 static sptr make(size_t vlen = 1, float scale = 1.0); 49 50 /*! 51 * Get the scalar divider value. 52 */ 53 virtual float scale() const = 0; 54 55 /*! 56 * Set the scalar divider value. 57 */ 58 virtual void set_scale(float scale) = 0; 59 }; 60 61 } /* namespace blocks */ 62 } /* namespace gr */ 63 64 #endif /* INCLUDED_BLOCKS_INT_TO_FLOAT_H */ 65