GNU Radio 3.6.2 C++ API
gr_count_bits.h
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1 /* -*- c++ -*- */
2 /*
3  * Copyright 2003 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 <gr_core_api.h>
27 
28 GR_CORE_API unsigned int gr_count_bits8(unsigned int x); // return number of set bits in the low 8 bits of x
29 GR_CORE_API unsigned int gr_count_bits16(unsigned int x); // return number of set bits in the low 16 bits of x
30 GR_CORE_API unsigned int gr_count_bits32(unsigned int x); // return number of set bits in the low 32 bits of x
31 GR_CORE_API unsigned int gr_count_bits64(unsigned long long int x);
32 
33 #endif /* _GR_COUNT_BITS_H_ */