1 5cedca1b 2004-05-15 devnull #include "e.h"
 2 5cedca1b 2004-05-15 devnull #include <ctype.h>
 3 5cedca1b 2004-05-15 devnull 
 4 5cedca1b 2004-05-15 devnull void setsize(char *p)	/* set size as found in p */
 5 5cedca1b 2004-05-15 devnull {
 6 5cedca1b 2004-05-15 devnull 	nszstack++;
 7 5cedca1b 2004-05-15 devnull 	szstack[nszstack] = 0;		/* assume relative */
 8 5cedca1b 2004-05-15 devnull 	if (*p == '+') {
 9 5cedca1b 2004-05-15 devnull 		ps += atoi(p+1);
10 5cedca1b 2004-05-15 devnull 		if (szstack[nszstack-1] != 0)	/* propagate absolute size */
11 5cedca1b 2004-05-15 devnull 			szstack[nszstack] = ps;
12 5cedca1b 2004-05-15 devnull 	} else if (*p == '-') {
13 5cedca1b 2004-05-15 devnull 		ps -= atoi(p+1);
14 5cedca1b 2004-05-15 devnull 		if (szstack[nszstack-1] != 0)
15 5cedca1b 2004-05-15 devnull 			szstack[nszstack] = ps;
16 5ed63a9b 2005-11-01 devnull 	} else if (isdigit((unsigned char)*p)) {
17 5cedca1b 2004-05-15 devnull 		if (szstack[nszstack-1] == 0)
18 5cedca1b 2004-05-15 devnull 			printf(".nr %d \\n(.s\n", 99-nszstack);
19 5cedca1b 2004-05-15 devnull 		else
20 5cedca1b 2004-05-15 devnull 			printf(".nr %d %d\n", 99-nszstack, ps);
21 5cedca1b 2004-05-15 devnull 		szstack[nszstack] = ps = atoi(p);
22 5cedca1b 2004-05-15 devnull 	} else {
23 5cedca1b 2004-05-15 devnull 		ERROR "illegal size %s ignored", p WARNING;
24 5cedca1b 2004-05-15 devnull 	}
25 5cedca1b 2004-05-15 devnull 	dprintf(".\tsetsize %s; ps = %d\n", p, ps);
26 5cedca1b 2004-05-15 devnull }
27 5cedca1b 2004-05-15 devnull 
28 5cedca1b 2004-05-15 devnull void size(int p1, int p2)
29 5cedca1b 2004-05-15 devnull {
30 5cedca1b 2004-05-15 devnull 		/* old size in p1, new in ps */
31 5cedca1b 2004-05-15 devnull 	yyval = p2;
32 fa325e9b 2020-01-10 cross 	dprintf(".\tS%d <- \\s%d %d \\s%d; b=%g, h=%g\n",
33 6cb755b6 2006-02-06 devnull 		(int)yyval, ps, p2, p1, ebase[yyval], eht[yyval]);
34 5cedca1b 2004-05-15 devnull 	if (szstack[nszstack] != 0) {
35 eb9be703 2006-02-04 devnull 		printf(".ds %d %s\\*(%d\\s\\n(%d\n", (int)yyval, ABSPS(ps), p2, 99-nszstack);
36 5cedca1b 2004-05-15 devnull 	} else
37 eb9be703 2006-02-04 devnull 		printf(".ds %d %s\\*(%d%s\n", (int)yyval, DPS(p1,ps), p2, DPS(ps,p1));
38 5cedca1b 2004-05-15 devnull 	nszstack--;
39 5cedca1b 2004-05-15 devnull 	ps = p1;
40 5cedca1b 2004-05-15 devnull }
41 5cedca1b 2004-05-15 devnull 
42 5cedca1b 2004-05-15 devnull void globsize(void)
43 5cedca1b 2004-05-15 devnull {
44 5cedca1b 2004-05-15 devnull 	char temp[20];
45 5cedca1b 2004-05-15 devnull 
46 5cedca1b 2004-05-15 devnull 	getstr(temp, sizeof(temp));
47 5cedca1b 2004-05-15 devnull 	if (temp[0] == '+') {
48 5cedca1b 2004-05-15 devnull 		gsize += atoi(temp+1);
49 5cedca1b 2004-05-15 devnull 		if (szstack[0] != 0)
50 5cedca1b 2004-05-15 devnull 			szstack[0] = gsize;
51 5cedca1b 2004-05-15 devnull 	} else if (temp[0] == '-') {
52 5cedca1b 2004-05-15 devnull 		gsize -= atoi(temp+1);
53 5cedca1b 2004-05-15 devnull 		if (szstack[0] != 0)
54 5cedca1b 2004-05-15 devnull 			szstack[0] = gsize;
55 5ed63a9b 2005-11-01 devnull 	} else  if (isdigit((unsigned char)temp[0])) {
56 5cedca1b 2004-05-15 devnull 		gsize = atoi(temp);
57 5cedca1b 2004-05-15 devnull 		szstack[0] = gsize;
58 5cedca1b 2004-05-15 devnull 		printf(".nr 99 \\n(.s\n");
59 5cedca1b 2004-05-15 devnull 	} else {
60 5cedca1b 2004-05-15 devnull 		ERROR "illegal gsize %s ignored", temp WARNING;
61 5cedca1b 2004-05-15 devnull 	}
62 5cedca1b 2004-05-15 devnull 	yyval = eqnreg = 0;
63 5cedca1b 2004-05-15 devnull 	ps = gsize;
64 5cedca1b 2004-05-15 devnull 	if (gsize < 12 && !dps_set)		/* sub and sup size change */
65 5cedca1b 2004-05-15 devnull 		deltaps = gsize / 3;
66 5cedca1b 2004-05-15 devnull 	else if (gsize < 20)
67 5cedca1b 2004-05-15 devnull 		deltaps = gsize / 4;
68 5cedca1b 2004-05-15 devnull 	else
69 5cedca1b 2004-05-15 devnull 		deltaps = gsize / 5;
70 5cedca1b 2004-05-15 devnull }