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/* -*- c++ -*- */
/*
* Copyright 2003,2013 Free Software Foundation, Inc.
*
* This file is part of GNU Radio
*
* GNU Radio is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3, or (at your option)
* any later version.
*
* GNU Radio is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GNU Radio; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street,
* Boston, MA 02110-1301, USA.
*/
#ifndef _GR_COUNT_BITS_H_
#define _GR_COUNT_BITS_H_
#include <blocks/api.h>
namespace gr {
namespace blocks {
//! return number of set bits in the low 8 bits of x
BLOCKS_API unsigned int count_bits8(unsigned int x);
//! return number of set bits in the low 16 bits of x
BLOCKS_API unsigned int count_bits16(unsigned int x);
//! return number of set bits in the low 32 bits of x
BLOCKS_API unsigned int count_bits32(unsigned int x);
//! return number of set bits in a 64-bit word
BLOCKS_API unsigned int count_bits64(unsigned long long int x);
} /* namespace blocks */
} /* namespace gr */
#endif /* _GR_COUNT_BITS_H_ */
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