arc.c revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
/* All Rights Reserved */
#ident "%Z%%M% %I% %E% SMI" /* SVr4.0 1.1 */
/*
* Copyright (c) 1983, 1984 1985, 1986, 1987, 1988, Sun Microsystems, Inc.
* All Rights Reserved.
*/
int del = 20;
step(d){
del = d;
}
double pc;
double sqrt();
char use;
pc = r;
else flg=1;
use = 'x';
else m=1;
}
else {
use = 'y';
else m= 1;
}
while(1){
switch(use){
case 'x':
{
else m=1;
flg=1;
}
switch(qf){
case 3:
case 4:
continue;
case 1:
case 2:
}
continue;
case 'y':
{
else m = 1;
flg=1;
}
switch(qs){
case 1:
case 4:
continue;
case 2:
case 3:
}
}
}
}
if(x < xp)
if(y <= yp)return(1);
else return(4);
else if(x > xp)
if(y < yp)return(2);
else return(3);
else if(y < yp)return(2);
else return(4);
}
abs(a){
if(a < 0)return(-a);
return(a);
}