43 lines
2.1 KiB
C
43 lines
2.1 KiB
C
// a mask with n set lo or hi bits
|
|
#define lomask(n) (uint32_t)((((uint32_t)1) << (n)) - 1)
|
|
#define himask(n) (~lomask(32 - n))
|
|
#define ONES32 ((uint32_t)0xffffffff)
|
|
|
|
uint32_t bitreverse(uint32_t x);
|
|
|
|
uint32_t *bitvector_new(uint64_t n, int initzero);
|
|
uint32_t *bitvector_resize(uint32_t *b, uint64_t oldsz, uint64_t newsz,
|
|
int initzero);
|
|
size_t bitvector_nwords(uint64_t nbits);
|
|
void bitvector_set(uint32_t *b, uint64_t n, uint32_t c);
|
|
uint32_t bitvector_get(uint32_t *b, uint64_t n);
|
|
|
|
uint32_t bitvector_next(uint32_t *b, uint64_t n0, uint64_t n);
|
|
|
|
void bitvector_shr(uint32_t *b, size_t n, uint32_t s);
|
|
void bitvector_shr_to(uint32_t *dest, uint32_t *b, size_t n, uint32_t s);
|
|
void bitvector_shl(uint32_t *b, size_t n, uint32_t s);
|
|
void bitvector_shl_to(uint32_t *dest, uint32_t *b, size_t n, uint32_t s,
|
|
bool_t scrap);
|
|
void bitvector_fill(uint32_t *b, uint32_t offs, uint32_t c, uint32_t nbits);
|
|
void bitvector_copy(uint32_t *dest, uint32_t doffs, uint32_t *a,
|
|
uint32_t aoffs, uint32_t nbits);
|
|
void bitvector_not(uint32_t *b, uint32_t offs, uint32_t nbits);
|
|
void bitvector_not_to(uint32_t *dest, uint32_t doffs, uint32_t *a,
|
|
uint32_t aoffs, uint32_t nbits);
|
|
void bitvector_reverse(uint32_t *b, uint32_t offs, uint32_t nbits);
|
|
void bitvector_reverse_to(uint32_t *dest, uint32_t *src, uint32_t soffs,
|
|
uint32_t nbits);
|
|
void bitvector_and_to(uint32_t *dest, uint32_t doffs, uint32_t *a,
|
|
uint32_t aoffs, uint32_t *b, uint32_t boffs,
|
|
uint32_t nbits);
|
|
void bitvector_or_to(uint32_t *dest, uint32_t doffs, uint32_t *a,
|
|
uint32_t aoffs, uint32_t *b, uint32_t boffs,
|
|
uint32_t nbits);
|
|
void bitvector_xor_to(uint32_t *dest, uint32_t doffs, uint32_t *a,
|
|
uint32_t aoffs, uint32_t *b, uint32_t boffs,
|
|
uint32_t nbits);
|
|
uint64_t bitvector_count(uint32_t *b, uint32_t offs, uint64_t nbits);
|
|
uint32_t bitvector_any0(uint32_t *b, uint32_t offs, uint32_t nbits);
|
|
uint32_t bitvector_any1(uint32_t *b, uint32_t offs, uint32_t nbits);
|