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
19void
20eqnbox(int p1, int p2, int lu)
21{
22	int b, h;
23	char *sh;
24
25	yyval = p1;
26	b = max(ebase[p1], ebase[p2]);
27	eht[yyval] = h = b + max(eht[p1]-ebase[p1], eht[p2]-ebase[p2]);
28	ebase[yyval] = b;
29	if (dbg)
30		printf(".\te:eb: S%d <- S%d S%d; b=%d, h=%d\n",
31		    yyval, p1, p2, b, h);
32	if (rfont[p1] == ITAL && lfont[p2] == ROM)
33		sh = "\\|";
34	else
35		sh = "";
36	if (lu) {
37		printf(".nr %d \\w'\\s%d\\*(%d%s'\n", p1, ps, p1, sh);
38		printf(".ds %d \\h'|\\n(97u-\\n(%du'\\*(%d\n", p1, p1, p1);
39	}
40	printf(".as %d \"%s\\*(%d\n", yyval, sh, p2);
41	rfont[p1] = rfont[p2];
42	ofree(p2);
43}
44