uct/internal.h

   1 #ifndef ZZGO_UCT_INTERNAL_H
   2 #define ZZGO_UCT_INTERNAL_H
   3
   4 #include "debug.h"
   5 #include "move.h"
   6 #include "playout.h"
   7
   8 struct tree;
   9 struct tree_node;
  10 struct uct_policy;
  11
  12 /* Internal UCT structures */
  13
  14
  15 /* Internal engine state. */
  16 struct uct {
  17         int debug_level;
  18         int games, gamelen;
  19         float resign_ratio;
  20         float loss_threshold;
  21         int expand_p;
  22         int radar_d;
  23         bool playout_amaf, playout_amaf_nakade;
  24         int playout_amaf_cutoff;
  25         int dumpthres;
  26         int threads;
  27         int force_seed;
  28         bool no_book;
  29
  30         /* Equivalent experience for prior knowledge. MoGo paper recommends
  31          * 50 playouts per source; in practice, esp. with RAVE, about 6
  32          * playouts per source seems best. */
  33         int eqex, even_eqex, gp_eqex, policy_eqex;
  34
  35         struct uct_policy *policy;
  36         struct tree *t;
  37         struct playout_policy *playout;
  38 };
  39
  40 #define UDEBUGL(n) DEBUGL_(u->debug_level, n)
  41
  42
  43 typedef struct tree_node *(*uctp_choose)(struct uct_policy *p, struct tree_node *node, struct board *b, enum stone color);
  44 typedef struct tree_node *(*uctp_descend)(struct uct_policy *p, struct tree *tree, struct tree_node *node, int parity, bool allow_pass);
  45 typedef void (*uctp_prior)(struct uct_policy *p, struct tree *tree, struct tree_node *node, struct board *b, enum stone color, int parity);
  46 typedef void (*uctp_update)(struct uct_policy *p, struct tree *tree, struct tree_node *node, enum stone node_color, enum stone player_color, struct playout_amafmap *amaf, int result);
  47
  48 struct uct_policy {
  49         struct uct *uct;
  50         uctp_choose choose;
  51         uctp_descend descend;
  52         uctp_update update;
  53         uctp_prior prior;
  54         bool wants_amaf;
  55         void *data;
  56 };
  57
  58 #endif