BSD 3 development

[unix-history] / usr / src / cmd / neqn / diacrit.c

# include "e.h"
# include "e.def"

diacrit(p1, type) int p1, type; {
       int c, t;

       c = oalloc();
       t = oalloc();
       nrwid(p1, ps, p1);
       printf(".nr 10 %du\n", max(eht[p1]-ebase[p1]-VERT(2),0));
       switch(type) {
               case VEC:       /* vec */
               case DYAD:      /* dyad */
                       printf(".ds %d \\v'-1'_\\v'1'\n", c);
                       break;
               case HAT:
                       printf(".ds %d ^\n", c);
                       break;
               case TILDE:
                       printf(".ds %d ~\n", c);
                       break;
               case DOT:
                       printf(".ds %d \\v'-1'.\\v'1'\n", c);
                       break;
               case DOTDOT:
                       printf(".ds %d \\v'-1'..\\v'1'\n", c);
                       break;
               case BAR:
                       printf(".ds %d \\v'-1'\\l'\\n(%du'\\v'1'\n", 
                               c, p1);
                       break;
               case UNDER:
                       printf(".ds %d \\l'\\n(%du'\n", c, p1);
                       break;
               }
       nrwid(c, ps, c);
       printf(".as %d \\h'-\\n(%du-\\n(%du/2u'\\v'0-\\n(10u'\\*(%d", 
               p1, p1, c, c);
       printf("\\v'\\n(10u'\\h'-\\n(%du+\\n(%du/2u'\n", c, p1);
       if (type != UNDER)
               eht[p1] += VERT(1);
       if (dbg) printf(".\tdiacrit: %c over S%d, h=%d, b=%d\n", type, p1, eht[p1], ebase[p1]);
       ofree(c); ofree(t);
}