1 /*-
2  * Copyright (c) 1991 The Regents of the University of California.
3  * All rights reserved.
4  *
5  * %sccs.include.proprietary.c%
6  */
7 
8 #ifndef lint
9 static char sccsid[] = "@(#)integral.c	4.4 (Berkeley) 04/17/91";
10 #endif /* not lint */
11 
12 # include "e.h"
13 # include "e.def"
14 
15 integral(p, p1, p2) {
16 #ifndef	NEQN
17 	if (p1 != 0)
18 		printf(".ds %d \\h'-0.4m'\\v'0.4m'\\*(%d\\v'-0.4m'\n", p1, p1);
19 	if (p2 != 0)
20 		printf(".ds %d \\v'-0.3m'\\*(%d\\v'0.3m'\n", p2, p2);
21 #endif
22 	if (p1 != 0 && p2 != 0)
23 		shift2(p, p1, p2);
24 	else if (p1 != 0)
25 		bshiftb(p, SUB, p1);
26 	else if (p2 != 0)
27 		bshiftb(p, SUP, p2);
28 	if(dbg)printf(".\tintegral: S%d; h=%d b=%d\n",
29 		p, eht[p], ebase[p]);
30 	lfont[p] = ROM;
31 }
32 
33 setintegral() {
34 	char *f;
35 
36 	yyval = oalloc();
37 	f = "\\(is";
38 #ifndef NEQN
39 	printf(".ds %d \\s%d\\v'.1m'\\s+4%s\\s-4\\v'-.1m'\\s%d\n",
40 		yyval, ps, f, ps);
41 	eht[yyval] = VERT( (((ps+4)*12)/10)*6 );
42 	ebase[yyval] = VERT( (ps*6*3)/10 );
43 #else NEQN
44 	printf(".ds %d %s\n", yyval, f);
45 	eht[yyval] = VERT(2);
46 	ebase[yyval] = 0;
47 #endif NEQN
48 	lfont[yyval] = rfont[yyval] = ROM;
49 }
50