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BDZ_PH added

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fc_botelho
2008-03-25 20:20:55 +00:00
parent 49feeafbeb
commit cfd0019e93
9 changed files with 677 additions and 20 deletions
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59
src/bitbool.h
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@@ -3,8 +3,32 @@
#include "cmph_types.h"
extern const cmph_uint8 bitmask[];
/** \def GETBIT(array, i)
* \brief get the value of an 1-bit integer stored in an array.
* \param array to get 1-bit integer values from
* \param i is the index in array to get the 1-bit integer value from
*
* GETBIT(array, i) is a macro that gets the value of an 1-bit integer stored in array.
*/
#define GETBIT(array, i) ((array[i >> 3] & bitmask[i & 0x00000007]) >> (i & 0x00000007))
/** \def SETBIT(array, i)
* \brief set 1 to an 1-bit integer stored in an array.
* \param array to store 1-bit integer values
* \param i is the index in array to set the the bit to 1
*
* SETBIT(array, i) is a macro that sets 1 to an 1-bit integer stored in an array.
*/
#define SETBIT(array, i) (array[i >> 3] |= bitmask[i & 0x00000007])
/** \def UNSETBIT(array, i)
* \brief set 0 to an 1-bit integer stored in an array.
* \param array to store 1-bit integer values
* \param i is the index in array to set the the bit to 0
*
* UNSETBIT(array, i) is a macro that sets 0 to an 1-bit integer stored in an array.
*/
#define UNSETBIT(array, i) (array[i >> 3] &= (~(bitmask[i & 0x00000007])))
//#define GETBIT(array, i) (array[(i) / 8] & bitmask[(i) % 8])
@@ -12,7 +36,40 @@ extern const cmph_uint8 bitmask[];
//#define UNSETBIT(array, i) (array[(i) / 8] &= (~(bitmask[(i) % 8])))
extern const cmph_uint8 valuemask[];
#define SETVALUE(array, i, v) (array[i >> 2] &= ((v << ((i & 0x00000003) << 1)) | valuemask[i & 0x00000003]))
/** \def SETVALUE1(array, i, v)
* \brief set a value for a 2-bit integer stored in an array initialized with 1s.
* \param array to store 2-bit integer values
* \param i is the index in array to set the value v
* \param v is the value to be set
*
* SETVALUE1(array, i, v) is a macro that set a value for a 2-bit integer stored in an array.
* The array should be initialized with all bits set to 1. For example:
* memset(array, 0xff, arraySize);
*/
#define SETVALUE1(array, i, v) (array[i >> 2] &= ((v << ((i & 0x00000003) << 1)) | valuemask[i & 0x00000003]))
/** \def SETVALUE0(array, i, v)
* \brief set a value for a 2-bit integer stored in an array initialized with 0s.
* \param array to store 2-bit integer values
* \param i is the index in array to set the value v
* \param v is the value to be set
*
* SETVALUE0(array, i, v) is a macro that set a value for a 2-bit integer stored in an array.
* The array should be initialized with all bits set to 0. For example:
* memset(array, 0, arraySize);
*/
#define SETVALUE0(array, i, v) (array[i >> 2] |= (v << ((i & 0x00000003) << 1)))
/** \def GETVALUE(array, i)
* \brief get a value for a 2-bit integer stored in an array.
* \param array to get 2-bit integer values from
* \param i is the index in array to get the value from
*
* GETVALUE(array, i) is a macro that get a value for a 2-bit integer stored in an array.
*/
#define GETVALUE(array, i) ((array[i >> 2] >> ((i & 0x00000003) << 1)) & 0x00000003)
#endif