eqn/eqnbox.c

   1 #include "e.h"
   2
   3 void eqnbox(int p1, int p2, int lu)
   4 {
   5         double b, h;
   6         char *sh;
   7
   8         yyval = p1;
   9         b = max(ebase[p1], ebase[p2]);
  10         eht[yyval] = h = b + max(eht[p1]-ebase[p1],
  11                 eht[p2]-ebase[p2]);
  12         ebase[yyval] = b;
  13         dprintf(".\tS%d <- %d %d; b=%g, h=%g\n", yyval, p1, p2, b, h);
  14         sh = pad(class[rclass[p1]][lclass[p2]]);
  15         if (lu) {
  16                 printf(".nr %d \\w'\\*(%d%s'\n", p1, p1, sh);
  17                 printf(".ds %d \\h'|\\n(09u-\\n(%du'\\*(%d\n", p1, p1, p1);
  18         }
  19         printf(".as %d \"%s\\*(%d\n", yyval, sh, p2);
  20         rfont[p1] = rfont[p2];
  21         rclass[p1] = rclass[p2];
  22         sfree(p2);
  23 }