Jip J. Dekker
f2a1c4e389
git-subtree-dir: software/mza git-subtree-split: f970a59b177c13ca3dd8aaef8cc6681d83b7e813
46 lines
2.2 KiB
MiniZinc
46 lines
2.2 KiB
MiniZinc
% This file contains redefinitions of standard builtins for version 2.0.2
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% that can be overridden by solvers.
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/***
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@groupdef flatzinc.twootwo FlatZinc builtins added in MiniZinc 2.0.2.
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These functions and predicates define built-in operations of the MiniZinc language
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that have been added in MiniZinc 2.0.2. Solvers that support these natively need
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to include a file called redefinitions-2.0.2.mzn in their solver library that
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redefines these predicates as builtins.
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*/
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predicate symmetry_breaking_constraint(var bool: b) = b;
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predicate redundant_constraint(var bool: b) = b;
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/** @group flatzinc.twootwo Element constraint on array with MiniZinc index set, constrains \a x[\a idx] = \a c
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This can be overridden in a solver that can perform the index calculation more efficiently than using
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a MiniZinc decomposition.
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*/
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predicate array_var_bool_element_nonshifted(var int: idx, array[int] of var bool: x, var bool: c) =
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array_var_bool_element((idx-(min(index_set(x))-1))::domain,array1d(x),c);
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/** @group flatzinc.twootwo Element constraint on array with MiniZinc index set, constrains \a x[\a idx] = \a c
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This can be overridden in a solver that can perform the index calculation more efficiently than using
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a MiniZinc decomposition.
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*/
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predicate array_var_int_element_nonshifted(var int: idx, array[int] of var int: x, var int: c) =
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array_var_int_element((idx-(min(index_set(x))-1))::domain,array1d(x),c);
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/** @group flatzinc.twootwo Element constraint on array with MiniZinc index set, constrains \a x[\a idx] = \a c
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This can be overridden in a solver that can perform the index calculation more efficiently than using
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a MiniZinc decomposition.
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*/
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predicate array_var_float_element_nonshifted(var int: idx, array[int] of var float: x, var float: c) =
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array_var_float_element((idx-(min(index_set(x))-1))::domain,array1d(x),c);
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/** @group flatzinc.twootwo Element constraint on array with MiniZinc index set, constrains \a x[\a idx] = \a c
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This can be overridden in a solver that can perform the index calculation more efficiently than using
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a MiniZinc decomposition.
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*/
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predicate array_var_set_element_nonshifted(var int: idx, array[int] of var set of int: x, var set of int: c) =
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array_var_set_element((idx-(min(index_set(x))-1))::domain,array1d(x),c);
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