joseki/base.h

   1 #ifndef ZZGO_JOSEKI_BASE_H
   2 #define ZZGO_JOSEKI_BASE_H
   3
   4 #include "board.h"
   5
   6 /* Single joseki situation - moves for S_BLACK-1, S_WHITE-1. */
   7 struct joseki_pattern {
   8         /* moves[] is a pass-terminated list or NULL */
   9         coord_t *moves[2];
  10 };
  11
  12 /* The joseki dictionary for given board size. */
  13 struct joseki_dict {
  14         int bsize;
  15
  16 #define joseki_hash_bits 20 // 8M w/ 32-bit pointers
  17 #define joseki_hash_mask ((1 << joseki_hash_bits) - 1)
  18         struct joseki_pattern *patterns;
  19 };
  20
  21 struct joseki_dict *joseki_init(int bsize);
  22 struct joseki_dict *joseki_load(int bsize);
  23 void joseki_done(struct joseki_dict *);
  24
  25 #endif