add bb_pawn_attacks[][], bb_shift()

2024-04-09 08:08:13 +02:00
parent 027aa2c132
commit f2ce20a504
7 changed files with 48 additions and 30 deletions
--- a/src/chessdefs.h
+++ b/src/chessdefs.h
@@ -45,6 +45,7 @@
 * @return: Relative rank.
 */
 #define sq_rel_rank(rank, c)  ((rank_t)((7 * (c)) ^ rank))
+#define sq_rel_file(file, c)  ((file_t)((7 * (c)) ^ file))

 /* castle_t bits structure
 */