1*779fc935Sceastha /*
2*779fc935Sceastha * Copyright 2005 Sun Microsystems, Inc. All rights reserved.
3*779fc935Sceastha * Use is subject to license terms.
4*779fc935Sceastha */
5*779fc935Sceastha
67c478bd9Sstevel@tonic-gate /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
77c478bd9Sstevel@tonic-gate /* All Rights Reserved */
87c478bd9Sstevel@tonic-gate
97c478bd9Sstevel@tonic-gate /*
107c478bd9Sstevel@tonic-gate * Copyright (c) 1980 Regents of the University of California.
117c478bd9Sstevel@tonic-gate * All rights reserved. The Berkeley software License Agreement
127c478bd9Sstevel@tonic-gate * specifies the terms and conditions for redistribution.
137c478bd9Sstevel@tonic-gate */
147c478bd9Sstevel@tonic-gate
15*779fc935Sceastha #include "e.h"
167c478bd9Sstevel@tonic-gate
17*779fc935Sceastha void
eqnbox(int p1,int p2,int lu)18*779fc935Sceastha eqnbox(int p1, int p2, int lu)
19*779fc935Sceastha {
207c478bd9Sstevel@tonic-gate int b, h;
217c478bd9Sstevel@tonic-gate char *sh;
227c478bd9Sstevel@tonic-gate
237c478bd9Sstevel@tonic-gate yyval = p1;
247c478bd9Sstevel@tonic-gate b = max(ebase[p1], ebase[p2]);
25*779fc935Sceastha eht[yyval] = h = b + max(eht[p1]-ebase[p1], eht[p2]-ebase[p2]);
267c478bd9Sstevel@tonic-gate ebase[yyval] = b;
27*779fc935Sceastha if (dbg)
28*779fc935Sceastha printf(".\te:eb: S%d <- S%d S%d; b=%d, h=%d\n",
29*779fc935Sceastha yyval, p1, p2, b, h);
307c478bd9Sstevel@tonic-gate if (rfont[p1] == ITAL && lfont[p2] == ROM)
317c478bd9Sstevel@tonic-gate sh = "\\|";
327c478bd9Sstevel@tonic-gate else
337c478bd9Sstevel@tonic-gate sh = "";
347c478bd9Sstevel@tonic-gate if (lu) {
357c478bd9Sstevel@tonic-gate printf(".nr %d \\w'\\s%d\\*(%d%s'\n", p1, ps, p1, sh);
367c478bd9Sstevel@tonic-gate printf(".ds %d \\h'|\\n(97u-\\n(%du'\\*(%d\n", p1, p1, p1);
377c478bd9Sstevel@tonic-gate }
387c478bd9Sstevel@tonic-gate printf(".as %d \"%s\\*(%d\n", yyval, sh, p2);
397c478bd9Sstevel@tonic-gate rfont[p1] = rfont[p2];
407c478bd9Sstevel@tonic-gate ofree(p2);
417c478bd9Sstevel@tonic-gate }
42