1 /*
2 * Copyright 2005 Sun Microsystems, Inc. All rights reserved.
3 * Use is subject to license terms.
4 */
5
6 /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
7 /* All Rights Reserved */
8
9 /*
10 * Copyright (c) 1980 Regents of the University of California.
11 * All rights reserved. The Berkeley software License Agreement
12 * specifies the terms and conditions for redistribution.
13 */
14
15 #include "e.h"
16 #include "e.def"
17
18 void
integral(int p,int p1,int p2)19 integral(int p, int p1, int p2)
20 {
21 #ifndef NEQN
22 if (p1 != 0)
23 printf(".ds %d \\h'-0.4m'\\v'0.4m'\\*(%d\\v'-0.4m'\n", p1, p1);
24 if (p2 != 0)
25 printf(".ds %d \\v'-0.3m'\\*(%d\\v'0.3m'\n", p2, p2);
26 #endif
27 if (p1 != 0 && p2 != 0)
28 shift2(p, p1, p2);
29 else if (p1 != 0)
30 bshiftb(p, SUB, p1);
31 else if (p2 != 0)
32 bshiftb(p, SUP, p2);
33 if (dbg)
34 printf(".\tintegral: S%d; h=%d b=%d\n",
35 p, eht[p], ebase[p]);
36 lfont[p] = ROM;
37 }
38
39 void
setintegral(void)40 setintegral(void)
41 {
42 char *f;
43
44 yyval = oalloc();
45 f = "\\(is";
46 #ifndef NEQN
47 printf(".ds %d \\s%d\\v'.1m'\\s+4%s\\s-4\\v'-.1m'\\s%d\n",
48 yyval, ps, f, ps);
49 eht[yyval] = VERT(EM(1.15, ps+4));
50 ebase[yyval] = VERT(EM(0.3, ps));
51 #else /* NEQN */
52 printf(".ds %d %s\n", yyval, f);
53 eht[yyval] = VERT(2);
54 ebase[yyval] = 0;
55 #endif /* NEQN */
56 lfont[yyval] = rfont[yyval] = ROM;
57 }
58