1 #ifndef lint 2 static char sccsid[] = "@(#)over.c 2.2 (CWI) 87/04/01"; 3 #endif lint 4 # include "e.h" 5 6 boverb(p1, p2) 7 int p1, p2; 8 { 9 int treg; 10 float h, b, d, d1, d2, d3; 11 extern float Overgap, Overwid, Overline; 12 13 treg = salloc(); 14 yyval = p1; 15 d = EM(Overgap, ps); 16 h = eht[p1] + eht[p2] + d; 17 b = eht[p2] - d; 18 dprintf(".\tS%d <- %d over %d; b=%g, h=%g\n", 19 yyval, p1, p2, b, h); 20 nrwid(p1, ps, p1); 21 nrwid(p2, ps, p2); 22 printf(".nr %d \\n(%d\n", treg, p1); 23 printf(".if \\n(%d>\\n(%d .nr %d \\n(%d\n", p2, treg, treg, p2); 24 printf(".nr %d \\n(%d+%gm\n", treg, treg, Overwid); 25 d2 = eht[p2]-ebase[p2]-d; /* denom */ 26 printf(".ds %d \\v'%gm'\\h'\\n(%du-\\n(%du/2u'\\*(%d\\v'%gm'\\\n", 27 yyval, REL(d2,ps), treg, p2, p2, REL(-d2,ps)); 28 d1 = 2 * d + ebase[p1]; /* num */ 29 printf("\\h'-\\n(%du-\\n(%du/2u'\\v'%gm'\\*(%d\\v'%gm'\\\n", 30 p2, p1, REL(-d1,ps), p1, REL(d1,ps)); 31 printf("\\h'-\\n(%du-\\n(%du/2u+%gm'\\v'%gm'\\l'\\n(%du-%gm'\\h'%gm'\\v'%gm'\n", 32 treg, p1, Overline, REL(-d,ps), 33 treg, 2*Overline, Overline, REL(d,ps)); 34 ebase[yyval] = b; 35 eht[yyval] = h; 36 lfont[yyval] = rfont[yyval] = 0; 37 sfree(p2); 38 sfree(treg); 39 } 40