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

   1: #ifndef lint
   2: static char sccsid[] = "@(#)diacrit.c	4.3 8/11/83";
   3: #endif
   4: 
   5: # include "e.h"
   6: # include "e.def"
   7: 
   8: diacrit(p1, type) int p1, type; {
   9:     int c, t;
  10: #ifndef NEQN
  11:     int effps;
  12: #endif NEQN
  13: 
  14:     c = oalloc();
  15:     t = oalloc();
  16: #ifdef NEQN
  17:     nrwid(p1, ps, p1);
  18:     printf(".nr 10 %du\n", max(eht[p1]-ebase[p1]-VERT(2),0));
  19: #else NEQN
  20:     effps = EFFPS(ps);
  21:     nrwid(p1, effps, p1);
  22:     printf(".nr 10 %du\n", VERT(max(eht[p1]-ebase[p1]-6*ps,0)));    /* vertical shift if high */
  23:     printf(".if \\n(ct>1 .nr 10 \\n(10+\\s%d.25m\\s0\n", effps);
  24:     printf(".nr %d \\s%d.1m\\s0\n", t, effps);  /* horiz shift if high */
  25:     printf(".if \\n(ct>1 .nr %d \\s%d.15m\\s0\n", t, effps);
  26: #endif NEQN
  27:     switch(type) {
  28:         case VEC:   /* vec */
  29: #ifndef NEQN
  30:             printf(".ds %d \\v'-.4m'\\s%d\\(->\\s0\\v'.4m'\n",
  31:                 c, max(effps-3, 6));
  32:             break;
  33: #endif NEQN
  34:         case DYAD:  /* dyad */
  35: #ifdef NEQN
  36:             printf(".ds %d \\v'-1'_\\v'1'\n", c);
  37: #else NEQN
  38:             printf(".ds %d \\v'-.4m'\\s%d\\z\\(<-\\(->\\s0\\v'.4m'\n",
  39:                 c, max(effps-3, 6));
  40: #endif NEQN
  41:             break;
  42:         case HAT:
  43:             printf(".ds %d ^\n", c);
  44:             break;
  45:         case TILDE:
  46:             printf(".ds %d ~\n", c);
  47:             break;
  48:         case DOT:
  49: #ifndef NEQN
  50:             printf(".ds %d \\s%d\\v'-.67m'.\\v'.67m'\\s0\n", c, effps);
  51: #else NEQN
  52:             printf(".ds %d \\v'-1'.\\v'1'\n", c);
  53: #endif NEQN
  54:             break;
  55:         case DOTDOT:
  56: #ifndef NEQN
  57:             printf(".ds %d \\s%d\\v'-.67m'..\\v'.67m\\s0'\n", c, effps);
  58: #else NEQN
  59:             printf(".ds %d \\v'-1'..\\v'1'\n", c);
  60: #endif NEQN
  61:             break;
  62:         case BAR:
  63: #ifndef NEQN
  64:             printf(".ds %d \\s%d\\v'.18m'\\h'.05m'\\l'\\n(%du-.1m\\(rn'\\h'.05m'\\v'-.18m'\\s0\n",
  65:                 c, effps, p1);
  66: #else NEQN
  67:             printf(".ds %d \\v'-1'\\l'\\n(%du'\\v'1'\n",
  68:                 c, p1);
  69: #endif NEQN
  70:             break;
  71:         case UNDER:
  72: #ifndef NEQN
  73:             printf(".ds %d \\l'\\n(%du\\(ul'\n", c, p1);
  74:             printf(".nr %d 0\n", t);
  75:             printf(".nr 10 0-%d\n", ebase[p1]);
  76: #else NEQN
  77:             printf(".ds %d \\l'\\n(%du'\n", c, p1);
  78: #endif NEQN
  79:             break;
  80:         }
  81:     nrwid(c, ps, c);
  82: #ifndef NEQN
  83:     if (lfont[p1] != ITAL)
  84:         printf(".nr %d 0\n", t);
  85:     printf(".as %d \\h'-\\n(%du-\\n(%du/2u+\\n(%du'\\v'0-\\n(10u'\\*(%d",
  86:         p1, p1, c, t, c);
  87:     printf("\\v'\\n(10u'\\h'-\\n(%du+\\n(%du/2u-\\n(%du'\n", c, p1, t);
  88:     /* BUG - should go to right end of widest */
  89: #else NEQN
  90:     printf(".as %d \\h'-\\n(%du-\\n(%du/2u'\\v'0-\\n(10u'\\*(%d",
  91:         p1, p1, c, c);
  92:     printf("\\v'\\n(10u'\\h'-\\n(%du+\\n(%du/2u'\n", c, p1);
  93: #endif NEQN
  94: #ifndef NEQN
  95:     if (type != UNDER)
  96:         eht[p1] += VERT( (6*ps*15) / 100);  /* 0.15m */
  97:     if(dbg)printf(".\tdiacrit: %c over S%d, lf=%c, rf=%c, h=%d,b=%d\n",
  98:         type, p1, lfont[p1], rfont[p1], eht[p1], ebase[p1]);
  99: #else NEQN
 100:     if (type != UNDER)
 101:         eht[p1] += VERT(1);
 102:     if (dbg) printf(".\tdiacrit: %c over S%d, h=%d, b=%d\n", type, p1, eht[p1], ebase[p1]);
 103: #endif NEQN
 104:     ofree(c); ofree(t);
 105: }

Defined functions

Defined variables