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- /*
- GNU GO - the game of Go (Wei-Chi)
- Version 1.1 last revised 3-1-89
- Copyright (C) Free Software Foundation, Inc.
- written by Man L. Li
- modified by Wayne Iba
- documented by Bob Webber
- NeXT version by John Neil
- */
- /*
- This program 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 - version 1.
-
- This program 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 in file COPYING for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-
- Please report any bug/fix, modification, suggestion to
-
- mail address: Man L. Li
- Dept. of Computer Science
- University of Houston
- 4800 Calhoun Road
- Houston, TX 77004
-
- e-mail address: manli@cs.uh.edu (Internet)
- coscgbn@uhvax1.bitnet (BITNET)
- 70070,404 (CompuServe)
-
- For the NeXT version, please report any bug/fix, modification, suggestion to
-
- mail address: John Neil
- Mathematics Department
- Portland State University
- PO Box 751
- Portland, OR 97207
-
- e-mail address: neil@math.mth.pdx.edu (Internet)
- neil@psuorvm.bitnet (BITNET)
- */
-
- extern unsigned char p[19][19];
- extern int MAXX, MAXY;
- extern int currentStone;
-
- int fioe(int i, int j)
- {
- /* check top edge */
- if (i == 0)
- {
- if ((j == 0) && ((p[1][0] == currentStone) && (p[0][1] == currentStone))) return 1;
- if ((j == MAXY - 1) && ((p[1][MAXY - 1] == currentStone) && (p[0][MAXY - 2] == currentStone))) return 1;
- if ((p[1][j] == currentStone) &&
- ((p[0][j - 1] == currentStone) && (p[0][j + 1] == currentStone))) return 1;
- else
- return 0;
- }
- /* check bottom edge */
- if (i == MAXX - 1)
- {
- if ((j == 0) && ((p[MAXX - 2][0] == currentStone) && (p[MAXX - 1][1] == currentStone))) return 1;
- if ((j == MAXY - 1) && ((p[MAXX - 2][MAXY - 1] == currentStone) && (p[MAXX - 1][MAXY - 2] == currentStone))) return 1;
- if ((p[MAXX - 2][j] == currentStone) &&
- ((p[MAXX - 1][j - 1] == currentStone) && (p[MAXX - 1][j + 1] == currentStone)))
- return 1;
- else
- return 0;
- }
- /* check left edge */
- if (j == 0)
- if ((p[i][1] == currentStone) &&
- ((p[i - 1] [0] == currentStone) && (p[i + 1][0] == currentStone)))
- return 1;
- else
- return 0;
- /* check right edge */
- if (j == MAXY - 1)
- if ((p[i][MAXY - 2] == currentStone) &&
- ((p[i - 1][MAXY - 1] == currentStone) && (p[i + 1][MAXY - 1] == currentStone)))
- return 1;
- else
- return 0;
- /* check center pieces */
- if (((p[i][j - 1] == currentStone) && (p[i][j + 1] == currentStone)) &&
- ((p[i - 1][j] == currentStone) && (p[i + 1][j] == currentStone)))
- return 1;
- else
- return 0;
- } /* fioe */
-