1*364Sceastha /*
2*364Sceastha * Copyright 2005 Sun Microsystems, Inc. All rights reserved.
3*364Sceastha * Use is subject to license terms.
4*364Sceastha */
5*364Sceastha
60Sstevel@tonic-gate /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
70Sstevel@tonic-gate /* All Rights Reserved */
80Sstevel@tonic-gate
90Sstevel@tonic-gate /*
100Sstevel@tonic-gate * Copyright (c) 1980 Regents of the University of California.
110Sstevel@tonic-gate * All rights reserved. The Berkeley software License Agreement
120Sstevel@tonic-gate * specifies the terms and conditions for redistribution.
130Sstevel@tonic-gate */
14*364Sceastha
15*364Sceastha #pragma ident "%Z%%M% %I% %E% SMI"
160Sstevel@tonic-gate
17*364Sceastha #include "e.h"
180Sstevel@tonic-gate
19*364Sceastha void
eqnbox(int p1,int p2,int lu)20*364Sceastha eqnbox(int p1, int p2, int lu)
21*364Sceastha {
220Sstevel@tonic-gate int b, h;
230Sstevel@tonic-gate char *sh;
240Sstevel@tonic-gate
250Sstevel@tonic-gate yyval = p1;
260Sstevel@tonic-gate b = max(ebase[p1], ebase[p2]);
27*364Sceastha eht[yyval] = h = b + max(eht[p1]-ebase[p1], eht[p2]-ebase[p2]);
280Sstevel@tonic-gate ebase[yyval] = b;
29*364Sceastha if (dbg)
30*364Sceastha printf(".\te:eb: S%d <- S%d S%d; b=%d, h=%d\n",
31*364Sceastha yyval, p1, p2, b, h);
320Sstevel@tonic-gate if (rfont[p1] == ITAL && lfont[p2] == ROM)
330Sstevel@tonic-gate sh = "\\|";
340Sstevel@tonic-gate else
350Sstevel@tonic-gate sh = "";
360Sstevel@tonic-gate if (lu) {
370Sstevel@tonic-gate printf(".nr %d \\w'\\s%d\\*(%d%s'\n", p1, ps, p1, sh);
380Sstevel@tonic-gate printf(".ds %d \\h'|\\n(97u-\\n(%du'\\*(%d\n", p1, p1, p1);
390Sstevel@tonic-gate }
400Sstevel@tonic-gate printf(".as %d \"%s\\*(%d\n", yyval, sh, p2);
410Sstevel@tonic-gate rfont[p1] = rfont[p2];
420Sstevel@tonic-gate ofree(p2);
430Sstevel@tonic-gate }
44