xref: /onnv-gate/usr/src/cmd/eqn/size.c (revision 0:68f95e015346)
1*0Sstevel@tonic-gate /*	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T	*/
2*0Sstevel@tonic-gate /*	  All Rights Reserved  	*/
3*0Sstevel@tonic-gate 
4*0Sstevel@tonic-gate 
5*0Sstevel@tonic-gate /*
6*0Sstevel@tonic-gate  * Copyright (c) 1980 Regents of the University of California.
7*0Sstevel@tonic-gate  * All rights reserved. The Berkeley software License Agreement
8*0Sstevel@tonic-gate  * specifies the terms and conditions for redistribution.
9*0Sstevel@tonic-gate  */
10*0Sstevel@tonic-gate 
11*0Sstevel@tonic-gate /*
12*0Sstevel@tonic-gate  * Copyright (c) 1983, 1984 1985, 1986, 1987, 1988, Sun Microsystems, Inc.
13*0Sstevel@tonic-gate  * All Rights Reserved.
14*0Sstevel@tonic-gate  */
15*0Sstevel@tonic-gate 
16*0Sstevel@tonic-gate #ident	"%Z%%M%	%I%	%E% SMI"	/* SVr4.0 1.1	*/
17*0Sstevel@tonic-gate 
18*0Sstevel@tonic-gate # include "e.h"
19*0Sstevel@tonic-gate 
20*0Sstevel@tonic-gate setsize(p)	/* set size as found in p */
21*0Sstevel@tonic-gate char *p;
22*0Sstevel@tonic-gate {
23*0Sstevel@tonic-gate 	if (*p == '+')
24*0Sstevel@tonic-gate 		ps += atoi(p+1);
25*0Sstevel@tonic-gate 	else if (*p == '-')
26*0Sstevel@tonic-gate 		ps -= atoi(p+1);
27*0Sstevel@tonic-gate 	else
28*0Sstevel@tonic-gate 		ps = atoi(p);
29*0Sstevel@tonic-gate 	if(dbg)printf(".\tsetsize %s; ps = %d\n", p, ps);
30*0Sstevel@tonic-gate }
31*0Sstevel@tonic-gate 
32*0Sstevel@tonic-gate size(p1, p2) int p1, p2; {
33*0Sstevel@tonic-gate 		/* old size in p1, new in ps */
34*0Sstevel@tonic-gate 	int effps, effp1;
35*0Sstevel@tonic-gate 
36*0Sstevel@tonic-gate 	yyval = p2;
37*0Sstevel@tonic-gate 	if(dbg)printf(".\tb:sb: S%d <- \\s%d S%d \\s%d; b=%d, h=%d\n",
38*0Sstevel@tonic-gate 		yyval, ps, p2, p1, ebase[yyval], eht[yyval]);
39*0Sstevel@tonic-gate 	effps = EFFPS(ps);
40*0Sstevel@tonic-gate 	effp1 = EFFPS(p1);
41*0Sstevel@tonic-gate 	printf(".ds %d \\s%d\\*(%d\\s%d\n",
42*0Sstevel@tonic-gate 		yyval, effps, p2, effp1);
43*0Sstevel@tonic-gate 	ps = p1;
44*0Sstevel@tonic-gate }
45*0Sstevel@tonic-gate 
46*0Sstevel@tonic-gate globsize() {
47*0Sstevel@tonic-gate 	char temp[20];
48*0Sstevel@tonic-gate 
49*0Sstevel@tonic-gate 	getstr(temp, 20);
50*0Sstevel@tonic-gate 	if (temp[0] == '+')
51*0Sstevel@tonic-gate 		gsize += atoi(temp+1);
52*0Sstevel@tonic-gate 	else if (temp[0] == '-')
53*0Sstevel@tonic-gate 		gsize -= atoi(temp+1);
54*0Sstevel@tonic-gate 	else
55*0Sstevel@tonic-gate 		gsize = atoi(temp);
56*0Sstevel@tonic-gate 	yyval = eqnreg = 0;
57*0Sstevel@tonic-gate 	setps(gsize);
58*0Sstevel@tonic-gate 	ps = gsize;
59*0Sstevel@tonic-gate 	if (gsize >= 12)	/* sub and sup size change */
60*0Sstevel@tonic-gate 		deltaps = gsize / 4;
61*0Sstevel@tonic-gate 	else
62*0Sstevel@tonic-gate 		deltaps = gsize / 3;
63*0Sstevel@tonic-gate }
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