search.h

   1 /*
   2  *      This program is free software; you can redistribute it and/or modify
   3  *      it under the terms of the GNU General Public License as published by
   4  *      the Free Software Foundation; either version 2 of the License, or
   5  *      (at your option) any later version.
   6  *
   7  *      This program is distributed in the hope that it will be useful,
   8  *      but WITHOUT ANY WARRANTY; without even the implied warranty of
   9  *      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  10  *      GNU General Public License for more details.
  11  *
  12  *      You should have received a copy of the GNU General Public License
  13  *      along with this program; if not, write to the Free Software
  14  *      Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  15  */
  16 extern int follow_pv;
  17 extern int abort_search;
  18 extern int fail_high_root;
  19 extern int leave_book;
  20 extern int ponder_move;
  21 extern int safe_search;
  22
  23 int get_extensions(int move, int in_check, int is_check, int depth, int ply);
  24 void history_store(int move, int depth, int ply, int score);
  25 int iterate(void);
  26 int quiesce(int alpha, int beta, int depth, int ply, int flag);
  27 int search_root(int alpha, int beta, int depth, int check);
  28 int search_pv(int alpha, int beta, int depth, int ply, int check);
  29 int zwsearch(int beta, int depth, int ply, int check);