bitset.h File Reference

Bitset of arbitrary size definitions. More...

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Defines
#define	BITSET_WORD   GLuint
#define	BITSET_WORDBITS   (sizeof (BITSET_WORD) * 8)
#define	BITSET_DECLARE(name, size)   BITSET_WORD name[((size) + BITSET_WORDBITS - 1) / BITSET_WORDBITS]
#define	BITSET_COPY(x, y)   _mesa_memcpy( (x), (y), sizeof (x) )
#define	BITSET_EQUAL(x, y)   (_mesa_memcmp( (x), (y), sizeof (x) ) == 0)
#define	BITSET_ZERO(x)   _mesa_memset( (x), 0, sizeof (x) )
#define	BITSET_ONES(x)   _mesa_memset( (x), 0xff, sizeof (x) )
#define	BITSET_BITWORD(b)   ((b) / BITSET_WORDBITS)
#define	BITSET_BIT(b)   (1 << ((b) % BITSET_WORDBITS))
#define	BITSET_TEST(x, b)   ((x)[BITSET_BITWORD(b)] & BITSET_BIT(b))
#define	BITSET_SET(x, b)   ((x)[BITSET_BITWORD(b)] |= BITSET_BIT(b))
#define	BITSET_CLEAR(x, b)   ((x)[BITSET_BITWORD(b)] &= ~BITSET_BIT(b))
#define	BITSET_MASK(b)   ((b) == BITSET_WORDBITS ? ~0 : BITSET_BIT(b) - 1)
#define	BITSET_RANGE(b, e)   (BITSET_MASK((e) + 1) & ~BITSET_MASK(b))
#define	BITSET_TEST_RANGE(x, b, e)
#define	BITSET_SET_RANGE(x, b, e)
#define	BITSET_CLEAR_RANGE(x, b, e)
#define	BITSET64_WORD   GLuint
#define	BITSET64_WORDBITS   (sizeof (BITSET64_WORD) * 8)
#define	BITSET64_DECLARE(name, size)   GLuint name[2]
#define	BITSET64_COPY(x, y)   do { (x)[0] = (y)[0]; (x)[1] = (y)[1]; } while (0)
#define	BITSET64_EQUAL(x, y)   ( (x)[0] == (y)[0] && (x)[1] == (y)[1] )
#define	BITSET64_ZERO(x)   do { (x)[0] = 0; (x)[1] = 0; } while (0)
#define	BITSET64_ONES(x)   do { (x)[0] = 0xFF; (x)[1] = 0xFF; } while (0)
#define	BITSET64_BITWORD(b)   ((b) / BITSET64_WORDBITS)
#define	BITSET64_BIT(b)   (1 << ((b) % BITSET64_WORDBITS))
#define	BITSET64_TEST(x, b)   ((x)[BITSET64_BITWORD(b)] & BITSET64_BIT(b))
#define	BITSET64_SET(x, b)   ((x)[BITSET64_BITWORD(b)] |= BITSET64_BIT(b))
#define	BITSET64_CLEAR(x, b)   ((x)[BITSET64_BITWORD(b)] &= ~BITSET64_BIT(b))
#define	BITSET64_MASK(b)   ((b) == BITSET64_WORDBITS ? ~0 : BITSET64_BIT(b) - 1)
#define	BITSET64_RANGE(b, e)   (BITSET64_MASK((e) + 1) & ~BITSET64_MASK(b))
#define	BITSET64_TEST_RANGE(x, b, e)
#define	BITSET64_SET_RANGE(x, b, e)
#define	BITSET64_CLEAR_RANGE(x, b, e)

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Detailed Description

Bitset of arbitrary size definitions.

Author:

Michal Krol

Definition in file bitset.h.