/usr/share/gecode/mznlib/cumulative.mzn is in flatzinc 3.7.1-3.
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% Main authors:
% Guido Tack <tack@gecode.org>
% Mikael lagerkvist <lagerkvist@gecode.org>
%
% Copyright:
% Guido Tack, 2007
% Mikael Lagerkvist, 2009
%
% Last modified:
% $Date: 2011-03-08 09:54:48 +0100 (Tue, 08 Mar 2011) $ by $Author: tack $
% $Revision: 11787 $
%
% 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 cumulative(array[int] of var int: s,
array[int] of var int: d,
array[int] of var int: r, var int: b) =
assert(index_set(s) == index_set(d) /\ index_set(s) == index_set(r),
"cumulative: the 3 array arguments must have identical index sets",
assert(lb_array(d) >= 0 /\ lb_array(r) >= 0,
"cumulative: durations and resource usages must be non-negative",
cumulatives(s, d, r, b)
)
);
% Specialized cumulatives propagator is only for fixed bounds
predicate cumulatives(array[int] of var int: s,
array[int] of var int: d,
array[int] of var int: r, var int: b);
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