comparison DEPENDENCIES/mingw32/Python27/include/bitset.h @ 87:2a2c65a20a8b

Add Python libs and headers
author Chris Cannam
date Wed, 25 Feb 2015 14:05:22 +0000
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86:413a9d26189e 87:2a2c65a20a8b
1
2 #ifndef Py_BITSET_H
3 #define Py_BITSET_H
4 #ifdef __cplusplus
5 extern "C" {
6 #endif
7
8 /* Bitset interface */
9
10 #define BYTE char
11
12 typedef BYTE *bitset;
13
14 bitset newbitset(int nbits);
15 void delbitset(bitset bs);
16 #define testbit(ss, ibit) (((ss)[BIT2BYTE(ibit)] & BIT2MASK(ibit)) != 0)
17 int addbit(bitset bs, int ibit); /* Returns 0 if already set */
18 int samebitset(bitset bs1, bitset bs2, int nbits);
19 void mergebitset(bitset bs1, bitset bs2, int nbits);
20
21 #define BITSPERBYTE (8*sizeof(BYTE))
22 #define NBYTES(nbits) (((nbits) + BITSPERBYTE - 1) / BITSPERBYTE)
23
24 #define BIT2BYTE(ibit) ((ibit) / BITSPERBYTE)
25 #define BIT2SHIFT(ibit) ((ibit) % BITSPERBYTE)
26 #define BIT2MASK(ibit) (1 << BIT2SHIFT(ibit))
27 #define BYTE2BIT(ibyte) ((ibyte) * BITSPERBYTE)
28
29 #ifdef __cplusplus
30 }
31 #endif
32 #endif /* !Py_BITSET_H */