124 lines
2.7 KiB
C
124 lines
2.7 KiB
C
|
#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
|