over.c (1053B)
1 #include "e.h" 2 3 void boverb(int p1, int p2) 4 { 5 int treg; 6 double h, b, d, d1, d2; 7 extern double Overgap, Overwid, Overline; 8 9 treg = salloc(); 10 yyval = p1; 11 d = EM(Overgap, ps); 12 h = eht[p1] + eht[p2] + d; 13 b = eht[p2] - d; 14 dprintf(".\tS%d <- %d over %d; b=%g, h=%g\n", 15 (int)yyval, p1, p2, b, h); 16 nrwid(p1, ps, p1); 17 nrwid(p2, ps, p2); 18 printf(".nr %d \\n(%d\n", treg, p1); 19 printf(".if \\n(%d>\\n(%d .nr %d \\n(%d\n", p2, treg, treg, p2); 20 printf(".nr %d \\n(%d+%gm\n", treg, treg, Overwid); 21 d2 = eht[p2]-ebase[p2]-d; /* denom */ 22 printf(".ds %d \\v'%gm'\\h'\\n(%du-\\n(%du/2u'\\*(%d\\v'%gm'\\\n", 23 (int)yyval, REL(d2,ps), treg, p2, p2, REL(-d2,ps)); 24 d1 = 2 * d + ebase[p1]; /* num */ 25 printf("\\h'-\\n(%du-\\n(%du/2u'\\v'%gm'\\*(%d\\v'%gm'\\\n", 26 p2, p1, REL(-d1,ps), p1, REL(d1,ps)); 27 printf("\\h'-\\n(%du-\\n(%du/2u+%gm'\\v'%gm'\\l'\\n(%du-%gm'\\h'%gm'\\v'%gm'\n", 28 treg, p1, Overline, REL(-d,ps), 29 treg, 2*Overline, Overline, REL(d,ps)); 30 ebase[yyval] = b; 31 eht[yyval] = h; 32 lfont[yyval] = rfont[yyval] = 0; 33 sfree(p2); 34 sfree(treg); 35 }