68 lines
2.5 KiB
MiniZinc
68 lines
2.5 KiB
MiniZinc
include "arg_max_int.mzn";
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include "arg_max_bool.mzn";
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include "arg_max_float.mzn";
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/** @group globals
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Returns the index of the maximum value in the array \a x.
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When breaking ties the least index is returned.
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*/
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function var $$E: arg_max(array[$$E] of var int: x) =
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let { constraint length(x) > 0; } in arg_max_total(x);
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/** @group globals
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Returns the index of the maximum value in the array \a x.
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When breaking ties the least index is returned.
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*/
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function var $$E: arg_max(array[$$E] of var bool: x) =
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let { constraint length(x) > 0; } in arg_max_total(x);
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/** @group globals
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Returns the index of the maximum value in the array \a x.
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When breaking ties the least index is returned.
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*/
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function var $$E: arg_max(array[$$E] of var float: x) =
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let { constraint length(x) > 0; } in arg_max_total(x);
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function var $$E: arg_max_total(array[$$E] of var int: x) :: promise_total =
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if length(x) = 0 then 0 else
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let { var min(index_set(x)) .. max(index_set(x)): i;
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constraint maximum_arg_int(x, i); }
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in i endif;
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function var $$E: arg_max_total(array[$$E] of var bool: x) :: promise_total =
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if length(x) = 0 then 0 else
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let { var min(index_set(x)) .. max(index_set(x)): i;
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constraint maximum_arg_bool(x, i); }
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in i endif;
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function var $$E: arg_max_total(array[$$E] of var float: x) :: promise_total =
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if length(x) = 0 then 0 else
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let { var min(index_set(x)) .. max(index_set(x)): i;
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constraint maximum_arg_float(x, i); }
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in i endif;
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/** @group globals
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Constrain \a i to be the index of the maximum value in the array \a x.
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When breaking ties the least index is returned.
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Assumption: |\a x| > 0
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*/
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predicate maximum_arg(array[int] of var int: x, var int: i) =
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maximum_arg_int(x, i);
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/** @group globals
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Constrain \a i to be the index of the maximum value in the array \a x.
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When breaking ties the least index is returned.
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Assumption: |\a x| > 0
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*/
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predicate maximum_arg(array[int] of var bool: x, var int: i) =
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maximum_arg_bool(x, i);
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/** @group globals
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Constrain \a i to be the index of the maximum value in the array \a x.
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When breaking ties the least index is returned.
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Assumption: |\a x| > 0
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*/
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predicate maximum_arg(array[int] of var float: x, var int: i) =
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maximum_arg_float(x, i);
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