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#include "e.h"
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void boverb(int p1, int p2)
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{
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int treg;
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double h, b, d, d1, d2;
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extern double Overgap, Overwid, Overline;
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treg = salloc();
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yyval = p1;
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d = EM(Overgap, ps);
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h = eht[p1] + eht[p2] + d;
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b = eht[p2] - d;
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dprintf(".\tS%d <- %d over %d; b=%g, h=%g\n",
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yyval, p1, p2, b, h);
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nrwid(p1, ps, p1);
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nrwid(p2, ps, p2);
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printf(".nr %d \\n(%d\n", treg, p1);
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printf(".if \\n(%d>\\n(%d .nr %d \\n(%d\n", p2, treg, treg, p2);
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printf(".nr %d \\n(%d+%gm\n", treg, treg, Overwid);
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d2 = eht[p2]-ebase[p2]-d; /* denom */
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printf(".ds %d \\v'%gm'\\h'\\n(%du-\\n(%du/2u'\\*(%d\\v'%gm'\\\n",
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yyval, REL(d2,ps), treg, p2, p2, REL(-d2,ps));
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d1 = 2 * d + ebase[p1]; /* num */
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printf("\\h'-\\n(%du-\\n(%du/2u'\\v'%gm'\\*(%d\\v'%gm'\\\n",
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p2, p1, REL(-d1,ps), p1, REL(d1,ps));
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printf("\\h'-\\n(%du-\\n(%du/2u+%gm'\\v'%gm'\\l'\\n(%du-%gm'\\h'%gm'\\v'%gm'\n",
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treg, p1, Overline, REL(-d,ps),
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treg, 2*Overline, Overline, REL(d,ps));
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ebase[yyval] = b;
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eht[yyval] = h;
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lfont[yyval] = rfont[yyval] = 0;
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sfree(p2);
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sfree(treg);
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}
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