Ruby Forum Ruby-dev > (-1).div(2.0)

(-1).div(2.0) $B$,(B 0 $B$K$J$j$^$9!#(B

% ./ruby -ve 'p((-1).div(2.0))'
ruby 1.9.0 (2008-05-02 revision 16277) [i686-linux]
0

$B$7$+$7!"(B(-1).divmod(2.0) $B$d(B (-1).div(2) 
$B$HHf3S$9$k$H!"(B-1 $B$,(B
$BE,@Z$J$s$8$c$J$$$G$7$g$&$+!#(B

% ./ruby -e 'p((-1).divmod(2.0))'
[-1, 1.0]
% ./ruby -e 'p((-1).div(2))'
-1
% ./ruby -v
ruby 1.9.0 (2008-05-02 revision 16277) [i686-linux]