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07 April 2024, 05:56:27 UTC
Revision 7ab74358ee288c68d47fccfb02d29d3e0fe27195 authored by Ronald Oussoren on 08 September 2009, 07:10:07 UTC, committed by Ronald Oussoren on 08 September 2009, 07:10:07 UTC 
Merged revisions 74701 via svnmerge from
 
svn+ssh://pythondev@svn.python.org/python/trunk

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  r74701 | ronald.oussoren | 2009-09-07 08:12:00 +0200 (Mon, 07 Sep 2009) | 2 lines

  Fix typo in configure.in
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Tip revision: 7ab74358ee288c68d47fccfb02d29d3e0fe27195 authored by Ronald Oussoren on 08 September 2009, 07:10:07 UTC
Merged revisions 74701 via svnmerge from
Tip revision: 7ab7435
bitset.h 

#ifndef Py_BITSET_H
#define Py_BITSET_H
#ifdef __cplusplus
extern "C" {
#endif

/* Bitset interface */

#define BYTE		char

typedef BYTE *bitset;

bitset newbitset(int nbits);
void delbitset(bitset bs);
#define testbit(ss, ibit) (((ss)[BIT2BYTE(ibit)] & BIT2MASK(ibit)) != 0)
int addbit(bitset bs, int ibit); /* Returns 0 if already set */
int samebitset(bitset bs1, bitset bs2, int nbits);
void mergebitset(bitset bs1, bitset bs2, int nbits);

#define BITSPERBYTE	(8*sizeof(BYTE))
#define NBYTES(nbits)	(((nbits) + BITSPERBYTE - 1) / BITSPERBYTE)

#define BIT2BYTE(ibit)	((ibit) / BITSPERBYTE)
#define BIT2SHIFT(ibit)	((ibit) % BITSPERBYTE)
#define BIT2MASK(ibit)	(1 << BIT2SHIFT(ibit))
#define BYTE2BIT(ibyte)	((ibyte) * BITSPERBYTE)

#ifdef __cplusplus
}
#endif
#endif /* !Py_BITSET_H */
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