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getcodi.c revision 1.1.1.2 
      1      1.1  cgd /*
      2  1.1.1.2  cgd  * Copyright (c) 1980, 1993
      3  1.1.1.2  cgd  *	The Regents of the University of California.  All rights reserved.
      4      1.1  cgd  *
      5      1.1  cgd  * Redistribution and use in source and binary forms, with or without
      6      1.1  cgd  * modification, are permitted provided that the following conditions
      7      1.1  cgd  * are met:
      8      1.1  cgd  * 1. Redistributions of source code must retain the above copyright
      9      1.1  cgd  *    notice, this list of conditions and the following disclaimer.
     10      1.1  cgd  * 2. Redistributions in binary form must reproduce the above copyright
     11      1.1  cgd  *    notice, this list of conditions and the following disclaimer in the
     12      1.1  cgd  *    documentation and/or other materials provided with the distribution.
     13      1.1  cgd  * 3. All advertising materials mentioning features or use of this software
     14      1.1  cgd  *    must display the following acknowledgement:
     15      1.1  cgd  *	This product includes software developed by the University of
     16      1.1  cgd  *	California, Berkeley and its contributors.
     17      1.1  cgd  * 4. Neither the name of the University nor the names of its contributors
     18      1.1  cgd  *    may be used to endorse or promote products derived from this software
     19      1.1  cgd  *    without specific prior written permission.
     20      1.1  cgd  *
     21      1.1  cgd  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     22      1.1  cgd  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     23      1.1  cgd  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     24      1.1  cgd  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     25      1.1  cgd  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     26      1.1  cgd  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     27      1.1  cgd  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     28      1.1  cgd  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     29      1.1  cgd  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     30      1.1  cgd  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     31      1.1  cgd  * SUCH DAMAGE.
     32      1.1  cgd  */
     33      1.1  cgd 
     34      1.1  cgd #ifndef lint
     35  1.1.1.2  cgd static char sccsid[] = "@(#)getcodi.c	8.1 (Berkeley) 5/31/93";
     36      1.1  cgd #endif /* not lint */
     37      1.1  cgd 
     38      1.1  cgd # include	"getpar.h"
     39      1.1  cgd 
     40      1.1  cgd /*
     41      1.1  cgd **  get course and distance
     42      1.1  cgd **
     43      1.1  cgd **	The user is asked for a course and distance.  This is used by
     44      1.1  cgd **	move, impulse, and some of the computer functions.
     45      1.1  cgd **
     46      1.1  cgd **	The return value is zero for success, one for an invalid input
     47      1.1  cgd **	(meaning to drop the request).
     48      1.1  cgd */
     49      1.1  cgd 
     50      1.1  cgd getcodi(co, di)
     51      1.1  cgd int	*co;
     52      1.1  cgd double	*di;
     53      1.1  cgd {
     54      1.1  cgd 
     55      1.1  cgd 	*co = getintpar("Course");
     56      1.1  cgd 
     57      1.1  cgd 	/* course must be in the interval [0, 360] */
     58      1.1  cgd 	if (*co < 0 || *co > 360)
     59      1.1  cgd 		return (1);
     60      1.1  cgd 	*di = getfltpar("Distance");
     61      1.1  cgd 
     62      1.1  cgd 	/* distance must be in the interval [0, 15] */
     63      1.1  cgd 	if (*di <= 0.0 || *di > 15.0)
     64      1.1  cgd 		return (1);
     65      1.1  cgd 
     66      1.1  cgd 	/* good return */
     67      1.1  cgd 	return (0);
     68      1.1  cgd }
     69