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/* $OpenBSD: def.h,v 1.2 1998/09/21 07:36:05 pjanzen Exp $ */
/* $NetBSD: def.h,v 1.3 1995/03/21 15:03:47 cgd Exp $ */
/*-
* Copyright (c) 1990, 1993
* The Regents of the University of California. All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Ed James.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* @(#)def.h 8.1 (Berkeley) 5/31/93
*/
/*
* Copyright (c) 1987 by Ed James, UC Berkeley. All rights reserved.
*
* Copy permission is hereby granted provided that this notice is
* retained on all partial or complete copies.
*
* For more info on this and all of my stuff, mail edjames@berkeley.edu.
*/
#define AUTHOR_STR "ATC - by Ed James"
#define PI 3.14159654
#define LOWFUEL 15
#define REALLOC 10
#define SGN(x) ((x < 0) ? -1 : ((x > 0) ? 1 : 0))
#define ABS(x) ((x < 0) ? -(x) : (x))
#define DIR_FROM_DXDY(dx,dy) ((int) (atan2((double)(dy), (double)(dx)) \
* MAXDIR / (2 * PI) + 2.5 + MAXDIR) % MAXDIR)
#define MAXDIR 8
#define D_LEFT 1
#define D_RIGHT 2
#define D_UP 3
#define D_DOWN 4
#define T_NODEST 0
#define T_BEACON 1
#define T_EXIT 2
#define T_AIRPORT 3
#define S_NONE 0
#define S_GONE 1
#define S_MARKED 2
#define S_UNMARKED 3
#define S_IGNORED 4
#define INPUT_LINES 3
#define PLANE_COLS 20
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