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71 lines
2.3 KiB
Plaintext
71 lines
2.3 KiB
Plaintext
/*
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* Copyright (c) 1998
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* Silicon Graphics Computer Systems, Inc.
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*
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* Copyright (c) 1999
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* Boris Fomitchev
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*
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* This material is provided "as is", with absolutely no warranty expressed
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* or implied. Any use is at your own risk.
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*
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* Permission to use or copy this software for any purpose is hereby granted
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* without fee, provided the above notices are retained on all copies.
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* Permission to modify the code and to distribute modified code is granted,
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* provided the above notices are retained, and a notice that the code was
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* modified is included with the above copyright notice.
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*
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*/
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#ifndef _STLP_BITSET
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// This implementation of bitset<> has a second template parameter,
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// _WordT, which defaults to unsigned long. *YOU SHOULD NOT USE
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// THIS FEATURE*. It is experimental, and it may be removed in
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// future releases.
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// A bitset of size N, using words of type _WordT, will have
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// N % (sizeof(_WordT) * CHAR_BIT) unused bits. (They are the high-
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// order bits in the highest word.) It is a class invariant
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// of class bitset<> that those unused bits are always zero.
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// Most of the actual code isn't contained in bitset<> itself, but in the
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// base class _Base_bitset. The base class works with whole words, not with
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// individual bits. This allows us to specialize _Base_bitset for the
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// important special case where the bitset is only a single word.
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// The C++ standard does not define the precise semantics of operator[].
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// In this implementation the const version of operator[] is equivalent
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// to test(), except that it does no range checking. The non-const version
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// returns a reference to a bit, again without doing any range checking.
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#ifndef _STLP_OUTERMOST_HEADER_ID
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# define _STLP_OUTERMOST_HEADER_ID 0x2
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# include <stl/_prolog.h>
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# define _STLP_BITSET
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#endif
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#if (_STLP_OUTERMOST_HEADER_ID == 0x2)
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# ifndef _STLP_INTERNAL_BITSET
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# include <stl/_bitset.h>
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# endif
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#endif
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#if (_STLP_OUTERMOST_HEADER_ID != 0x2) || defined (_STLP_IMPORT_VENDOR_STD)
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# if defined (_STLP_HAS_INCLUDE_NEXT)
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# include_next <bitset>
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# else
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# include _STLP_NATIVE_HEADER(bitset)
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# endif
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#endif
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#if (_STLP_OUTERMOST_HEADER_ID == 0x2 )
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# include <stl/_epilog.h>
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# undef _STLP_OUTERMOST_HEADER_ID
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#endif
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#endif /* _STLP_BITSET */
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// Local Variables:
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// mode:C++
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// End:
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