diff options
| author | Ash Wolf <ninji@wuffs.org> | 2022-12-14 00:16:59 +0000 |
|---|---|---|
| committer | Ash Wolf <ninji@wuffs.org> | 2022-12-14 00:16:59 +0000 |
| commit | 25bab8b1fb2fc851ea3f1f630b3de65ca6afdc22 (patch) | |
| tree | c0ee632aa3752884b996c562622e2ece88216ea4 /includes/compiler/BitVectors.h | |
| parent | 9d2728a5605f651934fe67a6fe6986b3e4a2c011 (diff) | |
| download | MWCC-25bab8b1fb2fc851ea3f1f630b3de65ca6afdc22.tar.gz MWCC-25bab8b1fb2fc851ea3f1f630b3de65ca6afdc22.zip | |
haha it's been a while since i last committed, hasn't it
Diffstat (limited to '')
| -rw-r--r-- | includes/compiler/BitVectors.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/includes/compiler/BitVectors.h b/includes/compiler/BitVectors.h index 7849dcb..068fec0 100644 --- a/includes/compiler/BitVectors.h +++ b/includes/compiler/BitVectors.h @@ -3,4 +3,19 @@ #include "compiler/common.h" +extern void bitvectorcopy(UInt32 *dst, UInt32 *src, int len); +extern int bitvectorchanged(UInt32 *dst, UInt32 *src, int len); +extern void bitvectorinitialize(UInt32 *vec, int len, UInt32 initval); +extern void bitvectorintersect(UInt32 *dst, UInt32 *src, int len); +extern void bitvectorunion(UInt32 *dst, UInt32 *src, int len); +extern void bitvectordifference(UInt32 *dst, UInt32 *src, int len); +extern void bitvectorcomplement(UInt32 *dst, UInt32 *src, int len); +extern int bitvectorcount(UInt32 *vec, int len); +extern int bitvectorisempty(UInt32 *vec, int len); +extern int bitvectorintersectionisempty(UInt32 *a, UInt32 *b, int len); + +#define bitvectorgetbit(_bit, _vec) ((1 << ((_bit) & 31)) & (_vec)[(_bit) >> 5]) +#define bitvectorsetbit(_bit, _vec) ((_vec)[(_bit) >> 5] |= 1 << ((_bit) & 31)) +#define bitvectorclearbit(_bit, _vec) ((_vec)[(_bit) >> 5] &= ~(1 << ((_bit) & 31))) + #endif |