4.3BSD - /usr/src/usr.bin/eqn/over.c

   1: #ifndef lint
   2: static char sccsid[] = "@(#)over.c	4.3 8/11/83";
   3: #endif
   4: 
   5: # include "e.h"
   6: 
   7: boverb(p1, p2) int p1, p2; {
   8:     int h, b, treg, d;
   9: 
  10:     treg = oalloc();
  11:     yyval = p1;
  12: #ifndef NEQN
  13:     d = VERT((ps*6*3) / 10);    /* 0.3m */
  14:     h = eht[p1] + eht[p2] + d;
  15: #else NEQN
  16:     d = VERT(1);
  17:     h = eht[p1] + eht[p2];
  18: #endif NEQN
  19:     b = eht[p2] - d;
  20:     if(dbg)printf(".\tb:bob: S%d <- S%d over S%d; b=%d, h=%d\n",
  21:         yyval, p1, p2, b, h);
  22:     nrwid(p1, ps, p1);
  23:     nrwid(p2, ps, p2);
  24:     printf(".nr %d \\n(%d\n", treg, p1);
  25:     printf(".if \\n(%d>\\n(%d .nr %d \\n(%d\n", p2, treg, treg, p2);
  26: #ifndef NEQN
  27:     printf(".nr %d \\n(%d+\\s%d.5m\\s0\n", treg, treg, EFFPS(ps));
  28: #endif NEQN
  29:     printf(".ds %d \\v'%du'\\h'\\n(%du-\\n(%du/2u'\\*(%d\\\n",
  30:         yyval, eht[p2]-ebase[p2]-d, treg, p2, p2);
  31:     printf("\\h'-\\n(%du-\\n(%du/2u'\\v'%du'\\*(%d\\\n",
  32: #ifndef NEQN
  33:         p2, p1, -(eht[p2]-ebase[p2]+d+ebase[p1]), p1);
  34:     printf("\\h'-\\n(%du-\\n(%du/2u+.1m'\\v'%du'\\l'\\n(%du-.2m'\\h'.1m'\\v'%du'\n",
  35:          treg, p1, ebase[p1]+d, treg, d);
  36: #else NEQN
  37:         p2, p1, -eht[p2]+ebase[p2]-ebase[p1], p1);
  38:     printf("\\h'-\\n(%du-\\n(%du-2u/2u'\\v'%du'\\l'\\n(%du'\\v'%du'\n",
  39:          treg, p1, ebase[p1], treg, d);
  40: #endif NEQN
  41:     ebase[yyval] = b;
  42:     eht[yyval] = h;
  43:     lfont[yyval] = rfont[yyval] = 0;
  44:     ofree(p2);
  45:     ofree(treg);
  46: }

Defined functions

Defined variables