16 lines
396 B
MiniZinc
16 lines
396 B
MiniZinc
predicate adaptive_uniform(array[int] of var int: x, float: init_rate) =
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let {
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var float: rate;
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} in if status() = START then
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rate = init_rate
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elseif status() = UNSAT then
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rate = min(last_val(rate) - 0.02, 0.6)
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else
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rate = max(last_val(rate) + 0.02, 0.95)
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endif
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/\ forall(i in index_set(x)) (
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if uniform(0.0, 1.0) > rate then
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x[i] = sol(x[i])
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endif
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);
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