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%
% Main authors:
% Guido Tack <tack@gecode.org>
% Mikael lagerkvist <lagerkvist@gecode.org>
%
% Copyright:
% Guido Tack, 2007
% Mikael Lagerkvist, 2009
%
% This file is part of Gecode, the generic constraint
% development environment:
% http://www.gecode.org
%
% Permission is hereby granted, free of charge, to any person obtaining
% a copy of this software and associated documentation files (the
% "Software"), to deal in the Software without restriction, including
% without limitation the rights to use, copy, modify, merge, publish,
% distribute, sublicense, and/or sell copies of the Software, and to
% permit persons to whom the Software is furnished to do so, subject to
% the following conditions:
%
% The above copyright notice and this permission notice shall be
% included in all copies or substantial portions of the Software.
%
% THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
% EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
% MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
% NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
% LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
% OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
% WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
%
%
predicate gecode_schedule_unary_optional(array[int] of var int: x,
array[int] of int: p, array[int] of var bool: m);
include "fzn_disjunctive_strict_opt_decomp.mzn";
predicate fzn_disjunctive_strict_opt(array[int] of var opt int: s,
array[int] of var int: d) =
forall (i in index_set(d)) (d[i] >= 0) /\
if forall (i in index_set(d)) (is_fixed(d[i])) then
gecode_schedule_unary_optional(
[ if is_fixed(si) /\ absent(fix(si)) then 0 else deopt(si) endif | si in s],
[ fix(di) | di in d],
[ occurs(si) | si in s ]
)
else fzn_disjunctive_strict_opt_decomp(s,d) endif;
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