/*
* 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.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
#include "e.h"
void
boverb(int p1, int p2)
{
int h, b, treg, d;
treg = oalloc();
yyval = p1;
#ifndef NEQN
d = VERT(EM(0.3, ps));
h = eht[p1] + eht[p2] + d;
#else /* NEQN */
d = VERT(1);
h = eht[p1] + eht[p2];
#endif /* NEQN */
b = eht[p2] - d;
if (dbg)
printf(".\tb:bob: S%d <- S%d over S%d; b=%d, h=%d\n",
yyval, p1, p2, b, h);
nrwid(p1, ps, p1);
nrwid(p2, ps, p2);
printf(".nr %d \\n(%d\n", treg, p1);
printf(".if \\n(%d>\\n(%d .nr %d \\n(%d\n", p2, treg, treg, p2);
#ifndef NEQN
printf(".nr %d \\n(%d+\\s%d.5m\\s0\n", treg, treg, EFFPS(ps));
#endif /* NEQN */
printf(".ds %d \\v'%du'\\h'\\n(%du-\\n(%du/2u'\\*(%d\\\n",
yyval, eht[p2]-ebase[p2]-d, treg, p2, p2);
#ifndef NEQN
printf("\\h'-\\n(%du-\\n(%du/2u'\\v'%du'\\*(%d\\\n",
p2, p1, -(eht[p2]-ebase[p2]+d+ebase[p1]), p1);
printf("\\h'-\\n(%du-\\n(%du/2u+.1m'\\v'%du'\\l'\\n"
"(%du-.2m'\\h'.1m'\\v'%du'\n", treg, p1, ebase[p1]+d, treg, d);
#else /* NEQN */
printf("\\h'-\\n(%du-\\n(%du/2u'\\v'%du'\\*(%d\\\n",
p2, p1, -eht[p2]+ebase[p2]-ebase[p1], p1);
printf("\\h'-\\n(%du-\\n(%du-2u/2u'\\v'%du'\\l'\\n(%du'\\v'%du'\n",
treg, p1, ebase[p1], treg, d);
#endif /* NEQN */
ebase[yyval] = b;
eht[yyval] = h;
lfont[yyval] = rfont[yyval] = 0;
ofree(p2);
ofree(treg);
}