/*
 * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

/*      Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
/*        All Rights Reserved   */

/*
 * Copyright (c) 1980 Regents of the University of California.
 * All rights reserved. The Berkeley software License Agreement
 * specifies the terms and conditions for redistribution.
 */

#include "e.h"

void
eqnbox(int p1, int p2, int lu)
{
        int b, h;
        char *sh;

        yyval = p1;
        b = max(ebase[p1], ebase[p2]);
        eht[yyval] = h = b + max(eht[p1]-ebase[p1], eht[p2]-ebase[p2]);
        ebase[yyval] = b;
        if (dbg)
                printf(".\te:eb: S%d <- S%d S%d; b=%d, h=%d\n",
                    yyval, p1, p2, b, h);
        if (rfont[p1] == ITAL && lfont[p2] == ROM)
                sh = "\\|";
        else
                sh = "";
        if (lu) {
                printf(".nr %d \\w'\\s%d\\*(%d%s'\n", p1, ps, p1, sh);
                printf(".ds %d \\h'|\\n(97u-\\n(%du'\\*(%d\n", p1, p1, p1);
        }
        printf(".as %d \"%s\\*(%d\n", yyval, sh, p2);
        rfont[p1] = rfont[p2];
        ofree(p2);
}