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simplify 0x88 macros / remove redundant chessdefs.h equivalent ones

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This commit is contained in:
Bruno Raoult
2021-11-20 16:15:45 +01:00
parent 6b2c1702f6
commit 05a64ec742
6 changed files with 61 additions and 61 deletions
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11
src/board.h
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@@ -27,9 +27,12 @@ typedef struct board_s {
/* definitions for 0x88 representation
*/
#define SQ88(f, r) (16 * (r) + (f)) /* from rank,file to sq88 */
#define FILE88(s) ((s) & 7) /* from sq88 to file */
#define RANK88(s) ((s) >> 4) /* from sq88 to rank */
#define SQ88(f, r) (((r) << 4) | (f)) /* from rank,file to sq88 */
#define F88(s) ((s) & 0x0f) /* from sq88 to file */
#define R88(s) ((s) >> 4) /* from sq88 to rank */
#define SETF88(s, r) ((s) &= 0xf0, (s) |= (r))
#define SETR88(s, f) ((s) &= 0x0f, (s) |= (f)<<4)
#define SQ88_NOK(s) ((s) & 0x88) /* invalid square */
#define SQ88_OK(s) (!SQ88_NOK(s))
@@ -37,7 +40,7 @@ typedef struct board_s {
/* definitions for bitboard representation
*/
#define BB(f, r) (1ULL << (8 * (r) + (f))) /* from rank,file to bitboard */
#define SQ88_2_BB(s) (BB(FILE88(s), RANK88(s))) /* from sq88 to bitboard */
#define SQ88_2_BB(s) (BB(F88(s), R88(s))) /* from sq88 to bitboard */
#define FILEBB(b) ((b) % 8) /* from sq88 to file */
#define RANKBB(b) ((b) / 8) /* from sq88 to rank */