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
boverb(int p1,int p2)20*364Sceastha boverb(int p1, int p2)
21*364Sceastha {
220Sstevel@tonic-gate int h, b, treg, d;
230Sstevel@tonic-gate
240Sstevel@tonic-gate treg = oalloc();
250Sstevel@tonic-gate yyval = p1;
260Sstevel@tonic-gate #ifndef NEQN
270Sstevel@tonic-gate d = VERT(EM(0.3, ps));
280Sstevel@tonic-gate h = eht[p1] + eht[p2] + d;
29*364Sceastha #else /* NEQN */
300Sstevel@tonic-gate d = VERT(1);
310Sstevel@tonic-gate h = eht[p1] + eht[p2];
32*364Sceastha #endif /* NEQN */
330Sstevel@tonic-gate b = eht[p2] - d;
34*364Sceastha if (dbg)
35*364Sceastha printf(".\tb:bob: S%d <- S%d over S%d; b=%d, h=%d\n",
36*364Sceastha yyval, p1, p2, b, h);
370Sstevel@tonic-gate nrwid(p1, ps, p1);
380Sstevel@tonic-gate nrwid(p2, ps, p2);
390Sstevel@tonic-gate printf(".nr %d \\n(%d\n", treg, p1);
400Sstevel@tonic-gate printf(".if \\n(%d>\\n(%d .nr %d \\n(%d\n", p2, treg, treg, p2);
410Sstevel@tonic-gate #ifndef NEQN
420Sstevel@tonic-gate printf(".nr %d \\n(%d+\\s%d.5m\\s0\n", treg, treg, EFFPS(ps));
43*364Sceastha #endif /* NEQN */
44*364Sceastha printf(".ds %d \\v'%du'\\h'\\n(%du-\\n(%du/2u'\\*(%d\\\n",
45*364Sceastha yyval, eht[p2]-ebase[p2]-d, treg, p2, p2);
46*364Sceastha #ifndef NEQN
47*364Sceastha printf("\\h'-\\n(%du-\\n(%du/2u'\\v'%du'\\*(%d\\\n",
48*364Sceastha p2, p1, -(eht[p2]-ebase[p2]+d+ebase[p1]), p1);
49*364Sceastha printf("\\h'-\\n(%du-\\n(%du/2u+.1m'\\v'%du'\\l'\\n"
50*364Sceastha "(%du-.2m'\\h'.1m'\\v'%du'\n", treg, p1, ebase[p1]+d, treg, d);
51*364Sceastha #else /* NEQN */
52*364Sceastha printf("\\h'-\\n(%du-\\n(%du/2u'\\v'%du'\\*(%d\\\n",
53*364Sceastha p2, p1, -eht[p2]+ebase[p2]-ebase[p1], p1);
54*364Sceastha printf("\\h'-\\n(%du-\\n(%du-2u/2u'\\v'%du'\\l'\\n(%du'\\v'%du'\n",
55*364Sceastha treg, p1, ebase[p1], treg, d);
56*364Sceastha #endif /* NEQN */
570Sstevel@tonic-gate ebase[yyval] = b;
580Sstevel@tonic-gate eht[yyval] = h;
590Sstevel@tonic-gate lfont[yyval] = rfont[yyval] = 0;
600Sstevel@tonic-gate ofree(p2);
610Sstevel@tonic-gate ofree(treg);
620Sstevel@tonic-gate }
63