xref: /csrg-svn/old/eqn/common_source/size.c (revision 11017)
1 /*	size.c	4.1	83/02/11	*/
2 
3 # include "e.h"
4 
5 setsize(p)	/* set size as found in p */
6 char *p;
7 {
8 	if (*p == '+')
9 		ps += atoi(p+1);
10 	else if (*p == '-')
11 		ps -= atoi(p+1);
12 	else
13 		ps = atoi(p);
14 	if(dbg)printf(".\tsetsize %s; ps = %d\n", p, ps);
15 }
16 
17 size(p1, p2) int p1, p2; {
18 		/* old size in p1, new in ps */
19 	int effps, effp1;
20 
21 	yyval = p2;
22 	if(dbg)printf(".\tb:sb: S%d <- \\s%d S%d \\s%d; b=%d, h=%d\n",
23 		yyval, ps, p2, p1, ebase[yyval], eht[yyval]);
24 	effps = EFFPS(ps);
25 	effp1 = EFFPS(p1);
26 	printf(".ds %d \\s%d\\*(%d\\s%d\n",
27 		yyval, effps, p2, effp1);
28 	ps = p1;
29 }
30 
31 globsize() {
32 	char temp[20];
33 
34 	getstr(temp, 20);
35 	if (temp[0] == '+')
36 		gsize += atoi(temp+1);
37 	else if (temp[0] == '-')
38 		gsize -= atoi(temp+1);
39 	else
40 		gsize = atoi(temp);
41 	yyval = eqnreg = 0;
42 	setps(gsize);
43 	ps = gsize;
44 	if (gsize >= 12)	/* sub and sup size change */
45 		deltaps = gsize / 4;
46 	else
47 		deltaps = gsize / 3;
48 }
49