Jip J. Dekker
fad1b07018
git-subtree-dir: software/minizinc git-subtree-split: 4f10c82056ffcb1041d7ffef29d77a7eef92cf76
24 lines
611 B
MiniZinc
24 lines
611 B
MiniZinc
include "lex_lesseq.mzn";
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predicate fzn_lex_chain_lesseq_orbitope(
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array[int, int] of var int: a, int: kind) =
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let {
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int: lb2 = min(index_set_2of2(a)),
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int: ub2 = max(index_set_2of2(a))
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} in (
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forall(j in lb2 + 1 .. ub2) (
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lex_lesseq(col(a, j-1), col(a, j))
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)
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/\
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if 1==kind then
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forall(i in index_set_1of2(a))(
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1 == sum(row(a, i))
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)
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elseif 2==kind then
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forall(i in index_set_1of2(a))(
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1 >= sum(row(a, i))
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)
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else true
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endif
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);
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