/usr/include/bullet/BulletCollision/Gimpact/gim_bitset.h is in libbullet-dev 2.87+dfsg-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 | #ifndef GIM_BITSET_H_INCLUDED
#define GIM_BITSET_H_INCLUDED
/*! \file gim_bitset.h
\author Francisco Leon Najera
*/
/*
-----------------------------------------------------------------------------
This source file is part of GIMPACT Library.
For the latest info, see http://gimpact.sourceforge.net/
Copyright (c) 2006 Francisco Leon Najera. C.C. 80087371.
email: projectileman@yahoo.com
This library is free software; you can redistribute it and/or
modify it under the terms of EITHER:
(1) The GNU Lesser General Public License as published by the Free
Software Foundation; either version 2.1 of the License, or (at
your option) any later version. The text of the GNU Lesser
General Public License is included with this library in the
file GIMPACT-LICENSE-LGPL.TXT.
(2) The BSD-style license that is included with this library in
the file GIMPACT-LICENSE-BSD.TXT.
(3) The zlib/libpng license that is included with this library in
the file GIMPACT-LICENSE-ZLIB.TXT.
This library 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 files
GIMPACT-LICENSE-LGPL.TXT, GIMPACT-LICENSE-ZLIB.TXT and GIMPACT-LICENSE-BSD.TXT for more details.
-----------------------------------------------------------------------------
*/
#include "gim_array.h"
#define GUINT_BIT_COUNT 32
#define GUINT_EXPONENT 5
class gim_bitset
{
public:
gim_array<GUINT> m_container;
gim_bitset()
{
}
gim_bitset(GUINT bits_count)
{
resize(bits_count);
}
~gim_bitset()
{
}
inline bool resize(GUINT newsize)
{
GUINT oldsize = m_container.size();
m_container.resize(newsize/GUINT_BIT_COUNT + 1,false);
while(oldsize<m_container.size())
{
m_container[oldsize] = 0;
}
return true;
}
inline GUINT size()
{
return m_container.size()*GUINT_BIT_COUNT;
}
inline void set_all()
{
for(GUINT i = 0;i<m_container.size();++i)
{
m_container[i] = 0xffffffff;
}
}
inline void clear_all()
{
for(GUINT i = 0;i<m_container.size();++i)
{
m_container[i] = 0;
}
}
inline void set(GUINT bit_index)
{
if(bit_index>=size())
{
resize(bit_index);
}
m_container[bit_index >> GUINT_EXPONENT] |= (1 << (bit_index & (GUINT_BIT_COUNT-1)));
}
///Return 0 or 1
inline char get(GUINT bit_index)
{
if(bit_index>=size())
{
return 0;
}
char value = m_container[bit_index >> GUINT_EXPONENT] &
(1 << (bit_index & (GUINT_BIT_COUNT-1)));
return value;
}
inline void clear(GUINT bit_index)
{
m_container[bit_index >> GUINT_EXPONENT] &= ~(1 << (bit_index & (GUINT_BIT_COUNT-1)));
}
};
#endif // GIM_CONTAINERS_H_INCLUDED
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