Jip J. Dekker
f2a1c4e389
git-subtree-dir: software/mza git-subtree-split: f970a59b177c13ca3dd8aaef8cc6681d83b7e813
56 lines
1.1 KiB
MiniZinc
56 lines
1.1 KiB
MiniZinc
% RUNS ON mzn20_fd
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% RUNS ON mzn-fzn_fd
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% RUNS ON mzn20_fd_linear
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% RUNS ON mzn20_mip
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% RUNS OM minizinc_cpx
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int: Endtime;
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int: NMachines;
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int: NJobs;
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set of int: Machines = 1..NMachines;
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set of int: Jobs = 1..NJobs;
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array[Machines,Jobs] of int: duration;
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array[Machines,Jobs] of var 0..Endtime: start;
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var 0..Endtime: makespan;
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predicate not_at_same_time(Machines: m1, Jobs: j1, Machines: m2, Jobs: j2) =
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start[m1,j1] + duration[m1,j1] <= start[m2,j2]
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\/ start[m2,j2] + duration[m2,j2] <= start[m1,j1];
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constraint
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forall(m in Machines)(
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forall(j1,j2 in Jobs where j1 < j2)(
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not_at_same_time(m,j1,m,j2)
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)
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);
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constraint
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forall(j in Jobs)(
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forall(m1,m2 in Machines where m1 < m2)(
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not_at_same_time(m1,j,m2,j)
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)
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);
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constraint
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forall(m in Machines)(
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forall(j in Jobs)(
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start[m,j] + duration[m,j] <= makespan
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)
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);
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solve minimize makespan;
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output [ "oss:\nmakespan = ", show(makespan), "\nstart = ", show(start), "\n" ];
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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Endtime = 1509;
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NMachines = 3;
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NJobs = 3;
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duration = [|661,6,333|168,489,343|171,505,324|];
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