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 #pragma ident "%Z%%M% %I% %E% SMI"
16
17 #include "e.h"
18 #include "e.def"
19
20 void
integral(int p,int p1,int p2)21 integral(int p, int p1, int p2)
22 {
23 #ifndef NEQN
24 if (p1 != 0)
25 printf(".ds %d \\h'-0.4m'\\v'0.4m'\\*(%d\\v'-0.4m'\n", p1, p1);
26 if (p2 != 0)
27 printf(".ds %d \\v'-0.3m'\\*(%d\\v'0.3m'\n", p2, p2);
28 #endif
29 if (p1 != 0 && p2 != 0)
30 shift2(p, p1, p2);
31 else if (p1 != 0)
32 bshiftb(p, SUB, p1);
33 else if (p2 != 0)
34 bshiftb(p, SUP, p2);
35 if (dbg)
36 printf(".\tintegral: S%d; h=%d b=%d\n",
37 p, eht[p], ebase[p]);
38 lfont[p] = ROM;
39 }
40
41 void
setintegral(void)42 setintegral(void)
43 {
44 char *f;
45
46 yyval = oalloc();
47 f = "\\(is";
48 #ifndef NEQN
49 printf(".ds %d \\s%d\\v'.1m'\\s+4%s\\s-4\\v'-.1m'\\s%d\n",
50 yyval, ps, f, ps);
51 eht[yyval] = VERT(EM(1.15, ps+4));
52 ebase[yyval] = VERT(EM(0.3, ps));
53 #else /* NEQN */
54 printf(".ds %d %s\n", yyval, f);
55 eht[yyval] = VERT(2);
56 ebase[yyval] = 0;
57 #endif /* NEQN */
58 lfont[yyval] = rfont[yyval] = ROM;
59 }
60