Jip J. Dekker
f2a1c4e389
git-subtree-dir: software/mza git-subtree-split: f970a59b177c13ca3dd8aaef8cc6681d83b7e813
22 lines
991 B
MiniZinc
22 lines
991 B
MiniZinc
%-----------------------------------------------------------------------------%
|
|
% Constrains the array of objects 'x' to be all different.
|
|
%-----------------------------------------------------------------------------%
|
|
|
|
predicate all_different_int(array[int] of var int: x) =
|
|
g12fd_int_all_different(x);
|
|
|
|
%-----------------------------------------------------------------------------%
|
|
|
|
% The implementation of the all_different constraint in the G12/FD solver.
|
|
% This should not be called directly, instead the definition above should
|
|
% be used.
|
|
predicate g12fd_int_all_different(array[int] of var int: x);
|
|
|
|
% G12/FD doesn't provide a reified all_different so we use the following
|
|
% definition if g12fd_int_all_different is called from a reified context.
|
|
%
|
|
predicate g12fd_int_all_different_reif(array[int] of var int: x, var bool: r) =
|
|
r <-> forall(i,j in index_set(x) where i < j) ( x[i] != x[j] );
|
|
|
|
%-----------------------------------------------------------------------------%
|