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gomoku: use unsigned arithmetic for bitboard 

No functional change.
This commit is contained in:
rillig 2022-05-28 21:48:21 +00:00
parent ffd3ec5309
commit d9395f0376
1 changed files with 4 additions and 5 deletions
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9
games/gomoku/pickmove.c
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@ -1,4 +1,4 @@
/* $NetBSD: pickmove.c,v 1.47 2022/05/28 08:19:18 rillig Exp $ */
/* $NetBSD: pickmove.c,v 1.48 2022/05/28 21:48:21 rillig Exp $ */
/*
* Copyright (c) 1994
@ -34,7 +34,7 @@
#include <sys/cdefs.h>
/* @(#)pickmove.c 8.2 (Berkeley) 5/3/95 */
__RCSID("$NetBSD: pickmove.c,v 1.47 2022/05/28 08:19:18 rillig Exp $");
__RCSID("$NetBSD: pickmove.c,v 1.48 2022/05/28 21:48:21 rillig Exp $");
#include <stdlib.h>
#include <string.h>
@ -46,9 +46,8 @@ __RCSID("$NetBSD: pickmove.c,v 1.47 2022/05/28 08:19:18 rillig Exp $");
#define BITS_PER_INT (sizeof(int) * CHAR_BIT)
#define MAPSZ (BAREA / BITS_PER_INT)
#define BIT_SET(a, b) ((a)[(b)/BITS_PER_INT] |= (1 << ((b) % BITS_PER_INT)))
#define BIT_CLR(a, b) ((a)[(b)/BITS_PER_INT] &= ~(1 << ((b) % BITS_PER_INT)))
#define BIT_TEST(a, b) (((a)[(b)/BITS_PER_INT] & (1 << ((b) % BITS_PER_INT))) != 0)
#define BIT_SET(a, b) ((a)[(unsigned int)(b)/BITS_PER_INT] |= (1 << ((unsigned int)(b) % BITS_PER_INT)))
#define BIT_TEST(a, b) (((a)[(unsigned int)(b)/BITS_PER_INT] & (1 << ((unsigned int)(b) % BITS_PER_INT))) != 0)
/*
* This structure is used to store overlap information between frames.