Jip J. Dekker
3e72b0e857
git-subtree-dir: software/gecode_on_record git-subtree-split: 37ed9bda495ea87e63217c19a374b5a93bb0078e
45 lines
1.7 KiB
MiniZinc
45 lines
1.7 KiB
MiniZinc
%
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% Main authors:
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% Guido Tack <tack@gecode.org>
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%
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% Copyright:
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% Guido Tack, 2007
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%
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% This file is part of Gecode, the generic constraint
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% development environment:
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% http://www.gecode.org
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%
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% Permission is hereby granted, free of charge, to any person obtaining
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% a copy of this software and associated documentation files (the
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% "Software"), to deal in the Software without restriction, including
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% without limitation the rights to use, copy, modify, merge, publish,
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% distribute, sublicense, and/or sell copies of the Software, and to
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% permit persons to whom the Software is furnished to do so, subject to
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% the following conditions:
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%
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% The above copyright notice and this permission notice shall be
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% included in all copies or substantial portions of the Software.
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%
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% THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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% EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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% MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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% NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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% LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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% OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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% WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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%
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%
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predicate gecode_range(array[int] of var int: x, int: xoff,
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var set of int: s, var set of int: t);
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predicate fzn_range(array[int] of var int: x, var set of int: s,
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var set of int: t) =
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if (min(index_set(x)) >= 0) then
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gecode_range(x,min(index_set(x)),s,t)
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else
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forall(i in ub(s)) (i in s -> x[i] in t) /\
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forall(i in ub(t)) (
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i in t -> exists(j in ub(s)) ( j in s /\ x[j] == i )
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)
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endif;
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