GNU Radio Manual and C++ API Reference 3.8.5.0
The Free & Open Software Radio Ecosystem
 
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count_bits.h
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1/* -*- c++ -*- */
2/*
3 * Copyright 2003,2013 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 _GR_COUNT_BITS_H_
24#define _GR_COUNT_BITS_H_
25
26#include <gnuradio/blocks/api.h>
27
28namespace gr {
29namespace blocks {
30
31//! return number of set bits in the low 8 bits of x
32BLOCKS_API unsigned int count_bits8(unsigned int x);
33
34//! return number of set bits in the low 16 bits of x
35BLOCKS_API unsigned int count_bits16(unsigned int x);
36
37//! return number of set bits in the low 32 bits of x
38BLOCKS_API unsigned int count_bits32(unsigned int x);
39
40//! return number of set bits in a 64-bit word
41BLOCKS_API unsigned int count_bits64(unsigned long long int x);
42
43} /* namespace blocks */
44} /* namespace gr */
45
46#endif /* _GR_COUNT_BITS_H_ */
#define BLOCKS_API
Definition gr-blocks/include/gnuradio/blocks/api.h:30
BLOCKS_API unsigned int count_bits16(unsigned int x)
return number of set bits in the low 16 bits of x
BLOCKS_API unsigned int count_bits32(unsigned int x)
return number of set bits in the low 32 bits of x
BLOCKS_API unsigned int count_bits8(unsigned int x)
return number of set bits in the low 8 bits of x
BLOCKS_API unsigned int count_bits64(unsigned long long int x)
return number of set bits in a 64-bit word
GNU Radio logging wrapper for log4cpp library (C++ port of log4j)
Definition basic_block.h:46