flatzinc 4.4.0-3 / usr / share / gecode / mznlib / circuit.mzn

%
%  Main authors:
%     Guido Tack <tack@gecode.org>
%
%  Copyright:
%     Guido Tack, 2007
%
%  Last modified:
%     $Date: 2012-10-22 00:04:10 +0200 (Mon, 22 Oct 2012) $ by $Author: tack $
%     $Revision: 13159 $
%
%  This file is part of Gecode, the generic constraint
%  development environment:
%     http://www.gecode.org
%
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%  The above copyright notice and this permission notice shall be
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%

predicate gecode_circuit(int: offset, array[int] of var int: x);

predicate circuit(array[int] of var int: x) =
  if min(index_set(x)) >= 0 then
    gecode_circuit(min(index_set(x)),x)
  else
    gecode_circuit(0,[x[i]-min(index_set(x)) | i in index_set(x)])
  endif;