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