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  1. #pragma once
  2. extern int scale;
  3. extern char version[8];
  4. extern int presult;
  5. extern PLAYING_MODE mode;
  6. extern int batch_mode;
  7. extern int swindle_mode;
  8. extern int call_flag;
  9. extern int crafty_rating;
  10. extern int opponent_rating;
  11. extern int time_used;
  12. extern int time_used_opponent;
  13. extern uint64_t total_moves;
  14. extern int allow_cores;
  15. extern int allow_memory;
  16. extern int initialized;
  17. extern int early_exit;
  18. extern char *AK_list[128];
  19. extern char *GM_list[128];
  20. extern char *IM_list[128];
  21. extern char *B_list[128];
  22. extern char *SP_list[128];
  23. extern char *SP_opening_filename[128];
  24. extern char *SP_personality_filename[128];
  25. extern FILE *input_stream;
  26. extern FILE *book_file;
  27. extern FILE *books_file;
  28. extern FILE *normal_bs_file;
  29. extern FILE *computer_bs_file;
  30. extern FILE *history_file;
  31. extern FILE *log_file;
  32. extern int log_id;
  33. extern int output_format;
  34. #if defined(SYZYGY)
  35. extern int EGTBlimit;
  36. extern int EGTB_use;
  37. extern int EGTB_draw;
  38. extern int EGTB_depth;
  39. extern int EGTB_setup;
  40. #endif
  41. extern int last_mate_score;
  42. extern int last_opponent_move;
  43. extern int check_depth;
  44. extern int null_depth;
  45. extern int null_divisor;
  46. extern int LMR_rdepth;
  47. extern int LMR_min;
  48. extern int LMR_max;
  49. extern double LMR_db;
  50. extern double LMR_mb;
  51. extern double LMR_s;
  52. extern uint8_t LMR[32][64];
  53. extern int rep_index;
  54. extern int pgn_suggested_percent;
  55. extern char pgn_event[128];
  56. extern char pgn_date[128];
  57. extern char pgn_round[128];
  58. extern char pgn_site[128];
  59. extern char pgn_white[128];
  60. extern char pgn_white_elo[128];
  61. extern char pgn_black[128];
  62. extern char pgn_black_elo[128];
  63. extern char pgn_result[128];
  64. extern char log_filename[256];
  65. extern char history_filename[256];
  66. extern int number_of_solutions;
  67. extern int solutions[10];
  68. extern int solution_type;
  69. extern int abs_draw_score;
  70. extern int accept_draws;
  71. extern int offer_draws;
  72. extern int dynamic_draw_score;
  73. extern int adaptive_hash;
  74. extern size_t adaptive_hash_min;
  75. extern size_t adaptive_hash_max;
  76. extern size_t adaptive_hashp_min;
  77. extern size_t adaptive_hashp_max;
  78. extern int over;
  79. extern int xboard;
  80. extern int xboard_done;
  81. extern int pong;
  82. extern char book_path[128];
  83. extern char log_path[128];
  84. extern char tb_path[128];
  85. extern char rc_path[128];
  86. extern char cmd_buffer[4096];
  87. extern char *args[512];
  88. extern char buffer[4096];
  89. extern int line_length;
  90. extern unsigned char convert_buff[8];
  91. extern int nargs;
  92. extern int kibitz;
  93. extern int game_wtm;
  94. extern int last_search_value;
  95. extern int FP_margin[16];
  96. extern int FP_depth;
  97. extern int LMP[16];
  98. extern int LMP_depth;
  99. extern int LMP_base;
  100. extern double LMP_scale;
  101. extern double LMP_scale;
  102. extern int failhi_delta, faillo_delta;
  103. extern int ponder_value;
  104. extern int move_actually_played;
  105. extern int analyze_mode;
  106. extern int annotate_mode;
  107. extern int input_status;        /* 0=no input;
  108.                                    1=predicted move read;
  109.                                    2=unpredicted move read;
  110.                                    3=something read, not executed. */
  111. extern int resign;
  112. extern int resign_counter;
  113. extern int resign_count;
  114. extern int draw_counter;
  115. extern int draw_count;
  116. extern int draw_offer_pending;
  117. extern int draw_offered;
  118. extern char audible_alarm;
  119. extern char speech;
  120. extern char ponder_text[512];
  121. extern char book_hint[512];
  122. extern int post;
  123. extern int search_depth;
  124. extern uint64_t search_nodes;
  125. extern uint64_t temp_search_nodes;
  126. extern int search_move;
  127. extern int ponder;
  128. extern int ponder_move;
  129. extern int force;
  130. extern unsigned ponder_moves[256];
  131. extern int num_ponder_moves;
  132. extern char initial_position[80];
  133. extern int predicted;
  134. extern int trace_level;
  135. extern int book_move;
  136. extern int book_accept_mask;
  137. extern int book_reject_mask;
  138. extern int book_random;
  139. extern float book_weight_freq;
  140. extern float book_weight_eval;
  141. extern float book_weight_learn;
  142. extern int book_search_trigger;
  143. extern int book_selection_width;
  144. extern int show_book;
  145. extern int learn;
  146. extern int learning;
  147. extern int learn_value;
  148. extern int abort_search;
  149. extern int iteration;
  150. extern int root_wtm;
  151. extern int last_root_value;
  152. extern ROOT_MOVE root_moves[256];
  153. extern int n_root_moves;
  154. extern int difficulty;
  155. extern int time_limit;
  156. extern int absolute_time_limit;
  157. extern int search_time_limit;
  158. extern int burp;
  159. extern int quit;
  160. extern unsigned opponent_start_time, opponent_end_time;
  161. extern unsigned program_start_time, program_end_time;
  162. extern unsigned start_time, end_time;
  163. extern TREE *block[MAX_BLOCKS + 1];
  164. extern THREAD thread[CPUS];
  165. #if (CPUS > 1)
  166. extern lock_t lock_smp, lock_io;
  167. #  if defined(UNIX)
  168. extern pthread_attr_t attributes;
  169. #  endif
  170. #endif
  171. extern unsigned int hardware_processors;
  172. extern /*unsigned*/ int smp_max_threads; // Pierre-Marie Baty -- fixed type
  173. extern unsigned int smp_split_group;
  174. extern unsigned int smp_split_at_root;
  175. extern unsigned int smp_min_split_depth;
  176. extern unsigned int smp_gratuitous_depth;
  177. extern unsigned int smp_gratuitous_limit;
  178. extern int smp_nice;
  179. extern int smp_affinity;
  180. extern int smp_affinity_increment;
  181. extern int smp_numa;
  182. extern int autotune_params;
  183. extern struct autotune tune[16];
  184. extern unsigned smp_split_nodes;
  185. extern unsigned parallel_splits;
  186. extern unsigned parallel_splits_wasted;
  187. extern unsigned parallel_aborts;
  188. extern unsigned parallel_joins;
  189. extern unsigned busy_percent;
  190. extern uint64_t game_max_blocks;
  191. extern volatile int smp_split;
  192. extern volatile int smp_threads;
  193. extern volatile int initialized_threads;
  194. extern int crafty_is_white;
  195. extern unsigned nodes_between_time_checks;
  196. extern unsigned nodes_per_second;
  197. extern int next_time_check;
  198. extern int transposition_age;
  199. extern int thinking;
  200. extern int pondering;
  201. extern int puzzling;
  202. extern int booking;
  203. extern int display_options;
  204. extern unsigned noise_level;
  205. extern int noise_block;
  206. extern int tc_moves;
  207. extern int tc_time;
  208. extern int tc_time_remaining[2];
  209. extern int tc_moves_remaining[2];
  210. extern int tc_secondary_moves;
  211. extern int tc_secondary_time;
  212. extern int tc_increment;
  213. extern int tc_sudden_death;
  214. extern int tc_safety_margin;
  215. extern int draw_score[2];
  216. extern char kibitz_text[4096];
  217. extern int kibitz_depth;
  218. extern int move_number;
  219. extern int moves_out_of_book;
  220. extern int first_nonbook_factor;
  221. extern int first_nonbook_span;
  222. #if defined(SKILL)
  223. extern int skill;
  224. #endif
  225. extern int book_learn_eval[LEARN_INTERVAL];
  226. extern int book_learn_depth[LEARN_INTERVAL];
  227. extern int learn_seekto[64];
  228. extern uint64_t learn_key[64];
  229. extern int learn_nmoves[64];
  230. extern uint64_t book_learn_key;
  231. extern int learn_positions_count;
  232. extern int book_learn_nmoves;
  233. extern int book_learn_seekto;
  234. extern int usage_level;
  235. extern size_t hash_table_size;
  236. extern size_t hash_path_size;
  237. extern uint64_t hash_mask;
  238. extern uint64_t mask_clear_entry;
  239. extern uint64_t hash_path_mask;
  240. extern size_t pawn_hash_table_size;
  241. extern uint64_t pawn_hash_mask;
  242. extern HASH_ENTRY *hash_table;
  243. extern HPATH_ENTRY *hash_path;
  244. extern PAWN_HASH_ENTRY *pawn_hash_table;
  245. extern void *segments[MAX_BLOCKS + 32][2];
  246. extern int nsegments;
  247. extern const int pcval[7];
  248. extern const int p_vals[7];
  249. extern const int MVV_LVA[7][7];
  250. extern const int pieces[2][7];
  251. extern const int lower_n;
  252. extern const int lower_b;
  253. extern const int mobility_score_n[4];
  254. extern const int mobility_score_b[4];
  255. extern const int mobility_score_r[4];
  256. extern const int mob_curve_r[48];
  257. extern PATH last_pv;
  258. extern int last_value;
  259. extern const char translate[13];
  260. extern const char empty_sqs[9];
  261. extern const int mate[64];
  262. extern const uint64_t magic_rook[64];
  263. extern const uint64_t magic_rook_mask[64];
  264. extern const unsigned magic_rook_shift[64];
  265. extern const uint64_t mobility_mask_b[4];
  266. extern const uint64_t mobility_mask_r[4];
  267. extern int16_t *magic_bishop_mobility_indices[64];
  268. extern int16_t magic_bishop_mobility_table[5248];
  269. extern uint64_t *magic_rook_indices[64];
  270. extern uint64_t magic_rook_table[102400];
  271. extern int16_t *magic_rook_mobility_indices[64];
  272. extern int16_t magic_rook_mobility_table[102400];
  273. extern const uint64_t magic_bishop[64];
  274. extern const uint64_t magic_bishop_mask[64];
  275. extern const unsigned magic_bishop_shift[64];
  276. extern uint64_t *magic_bishop_indices[64];
  277. extern uint64_t magic_bishop_table[5248];
  278. extern int16_t *magic_bishop_mobility_indices[64];
  279. extern int16_t magic_bishop_mobility_table[5248];
  280. extern int8_t directions[64][64];
  281. extern uint64_t pawn_attacks[2][64];
  282. extern uint64_t knight_attacks[64];
  283. extern uint64_t rook_attacks[64];
  284. extern uint64_t bishop_attacks[64];
  285. extern POSITION display;
  286. extern uint64_t king_attacks[64];
  287. extern uint64_t intervening[64][64];
  288. extern int history[1024];
  289. extern const uint64_t randoms[2][7][64];
  290. extern const uint64_t castle_random[2][2];
  291. extern const uint64_t enpassant_random[65];
  292. extern uint64_t clear_mask[65];
  293. extern uint64_t set_mask[65];
  294. extern uint64_t file_mask[8];
  295. extern uint64_t rank_mask[8];
  296. extern const uint64_t OO[2];
  297. extern const uint64_t OOO[2];
  298. extern const uint64_t mask_efgh, mask_fgh, mask_abc, mask_abcd;
  299. extern const uint64_t mask_advance_2_w;
  300. extern const uint64_t mask_advance_2_b;
  301. extern const uint64_t mask_left_edge;
  302. extern const uint64_t mask_right_edge;
  303. extern const uint64_t mask_not_edge;
  304. extern const uint64_t mask_rook_files;
  305. extern const uint64_t dark_squares;
  306. extern const uint64_t not_rook_pawns;
  307. extern const uint64_t not_rook_files;
  308. extern uint64_t plus1dir[65];
  309. extern uint64_t plus7dir[65];
  310. extern uint64_t plus8dir[65];
  311. extern uint64_t plus9dir[65];
  312. extern uint64_t minus1dir[65];
  313. extern uint64_t minus7dir[65];
  314. extern uint64_t minus8dir[65];
  315. extern uint64_t minus9dir[65];
  316. extern uint64_t mask_eptest[64];
  317. #if !defined(INLINEASM)
  318. extern unsigned char msb[65536];
  319. extern unsigned char lsb[65536];
  320. #endif
  321. extern unsigned char msb_8bit[256];
  322. extern unsigned char lsb_8bit[256];
  323. extern unsigned char pop_cnt_8bit[256];
  324. extern uint64_t mask_pawn_connected[2][64];
  325. extern uint64_t mask_pawn_isolated[64];
  326. extern uint64_t mask_passed[2][64];
  327. extern uint64_t mask_pattacks[2][64];
  328. extern uint64_t pawn_race[2][2][64];
  329. extern BOOK_POSITION book_buffer[BOOK_CLUSTER_SIZE];
  330. extern BOOK_POSITION book_buffer_char[BOOK_CLUSTER_SIZE];
  331. extern const int rankflip[2][8];
  332. extern const int sqflip[2][64];
  333. extern const int rank1[2];
  334. extern const int rank2[2];
  335. extern const int rank3[2];
  336. extern const int rank4[2];
  337. extern const int rank5[2];
  338. extern const int rank6[2];
  339. extern const int rank7[2];
  340. extern const int rank8[2];
  341. extern const int epdir[2];
  342. extern const int csq[2];
  343. extern const int dsq[2];
  344. extern const int esq[2];
  345. extern const int fsq[2];
  346. extern const int gsq[2];
  347. extern const int sign[2];
  348. extern const char square_color[64];
  349. extern uint64_t distance_ring[64][8];
  350. extern const int OOsqs[2][3];
  351. extern const int OOOsqs[2][3];
  352. extern const int OOfrom[2];
  353. extern const int OOto[2];
  354. extern const int OOOto[2];
  355. extern const int epsq[2];
  356. extern const int rook_A[2];
  357. extern const int rook_D[2];
  358. extern const int rook_F[2];
  359. extern const int rook_G[2];
  360. extern const int rook_H[2];
  361. extern const int capleft[2];
  362. extern const int capright[2];
  363. extern const int pawnadv1[2];
  364. extern const int pawnadv2[2];
  365. extern int piece_values[2][7];
  366. extern struct personality_term personality_packet[256];
  367.