`field_order_ff'
----------------

field_order_ff()
     :: $B@_Dj$5$l$F$$$k4pACBN$N0L?t(B

RETURN
     $B@0?t(B

   * $B@_Dj$5$l$F$$$k4pACBN$N0L?t(B ($B85$N8D?t(B) $B$rJV$9(B.

   * $B@_Dj$5$l$F$$$kBN$,(B GF(q) $B$J$i$P(B q $B$rJV$9(B.

     [0] field_order_ff();
     field_order_ff : current_ff is not set
     return to toplevel
     [0] setmod_ff(3);
     3
     [1] field_order_ff();
     3
     [2] setmod_ff(x^2+x+1);
     x^2+x+1
     [3] field_order_ff();
     4

$B;2>H(B
     *Note `setmod_ff': setmod_ff

