Updating to version 1.3, release made by Mike Vanier (mvanier@bbb.caltech.edu).

[gnushogi.git] / gnushogi / eval.h

diff --git a/gnushogi/eval.h b/gnushogi/eval.h
new file mode 100644 (file)
index 0000000..06609fd
--- /dev/null
+++ b/gnushogi/eval.h
@@ -0,0 +1,71 @@
+/*
+ * FILE: eval.h
+ *
+ *     Interface to the board evaluator.
+ *
+ * ----------------------------------------------------------------------
+ * Copyright (c) 1993, 1994, 1995 Matthias Mutz
+ * Copyright (c) 1999 Michael Vanier and the Free Software Foundation
+ *
+ * GNU SHOGI is based on GNU CHESS
+ *
+ * Copyright (c) 1988, 1989, 1990 John Stanback
+ * Copyright (c) 1992 Free Software Foundation
+ *
+ * This file is part of GNU SHOGI.
+ *
+ * GNU Shogi is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 1, or (at your option) any
+ * later version.
+ *
+ * GNU Shogi is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with GNU Shogi; see the file COPYING.  If not, write to the Free
+ * Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
+ * ----------------------------------------------------------------------
+ *
+ */
+
+
+#ifndef _EVAL_H_
+#define _EVAL_H_
+
+#define NO_STAGES 100
+#define NO_FEATURES 31
+
+
+struct signature
+{
+    unsigned long hashbd;
+    unsigned long hashkey;
+};
+
+#define MatchSignature(s) ((s.hashbd == hashbd) && (s.hashkey == hashkey))
+#define CopySignature(s)  { s.hashbd = hashbd; s.hashkey = hashkey; }
+
+typedef short        value_array[NO_STAGES][NO_PIECES];
+typedef small_short fscore_array[NO_STAGES][NO_FEATURES][2];
+
+extern value_array  *value;
+extern fscore_array *fscore;
+
+extern void threats (short side);
+
+extern long attack[2][NO_SQUARES];
+extern small_short sseed[NO_SQUARES];
+
+extern struct signature threats_signature[2];
+
+extern small_short starget[2][NO_SQUARES];
+extern small_short sloose[NO_SQUARES];
+extern small_short shole[NO_SQUARES];
+extern small_short shung[NO_SQUARES];
+
+extern struct signature squares_signature;
+
+#endif /* _EVAL_H_ */