teqnbox.c - plan9port - [fork] Plan 9 from user space
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       ---
       teqnbox.c (606B)
       ---
            1 #include "e.h"
            2 
            3 void eqnbox(int p1, int p2, int lu)
            4 {
            5         double b, h;
            6         char *sh;
            7         /* extern char *IRspace; */ /* not used */
            8 
            9         yyval = p1;
           10         b = max(ebase[p1], ebase[p2]);
           11         eht[yyval] = h = b + max(eht[p1]-ebase[p1],
           12                 eht[p2]-ebase[p2]);
           13         ebase[yyval] = b;
           14         dprintf(".\tS%d <- %d %d; b=%g, h=%g\n", (int)yyval, p1, p2, b, h);
           15         sh = pad(class[rclass[p1]][lclass[p2]]);
           16         if (lu) {
           17                 printf(".nr %d \\w'\\*(%d%s'\n", p1, p1, sh);
           18                 printf(".ds %d \\h'|\\n(09u-\\n(%du'\\*(%d\n", p1, p1, p1);
           19         }
           20         printf(".as %d \"%s\\*(%d\n", (int)yyval, sh, p2);
           21         rfont[p1] = rfont[p2];
           22         rclass[p1] = rclass[p2];
           23         sfree(p2);
           24 }