Google OR-Tools v9.14
a fast and portable software suite for combinatorial optimization
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storage.h
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1// Copyright 2010-2025 Google LLC
2// Licensed under the Apache License, Version 2.0 (the "License");
3// you may not use this file except in compliance with the License.
4// You may obtain a copy of the License at
5//
6// http://www.apache.org/licenses/LICENSE-2.0
7//
8// Unless required by applicable law or agreed to in writing, software
9// distributed under the License is distributed on an "AS IS" BASIS,
10// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
11// See the License for the specific language governing permissions and
12// limitations under the License.
13
14#ifndef OR_TOOLS_MATH_OPT_CONSTRAINTS_INDICATOR_STORAGE_H_
15#define OR_TOOLS_MATH_OPT_CONSTRAINTS_INDICATOR_STORAGE_H_
16
17#include <limits>
18#include <optional>
19#include <string>
20#include <vector>
21
27
29
30// Internal storage representation for a single indicator constraint.
31//
32// Implements the interface specified for the `ConstraintData` parameter of
33// `AtomicConstraintStorage`.
39 static constexpr bool kSupportsElemental = true;
40
41 // The `in_proto` must be in a valid state; see the inline comments on
42 // `IndicatorConstraintProto` for details.
43 static IndicatorConstraintData FromProto(const ProtoType& in_proto);
44 ProtoType Proto() const;
45 std::vector<VariableId> RelatedVariables() const;
46 void DeleteVariable(VariableId var);
47
48 double lower_bound = -std::numeric_limits<double>::infinity();
49 double upper_bound = std::numeric_limits<double>::infinity();
51 // The indicator variable may be unset, in which case the constraint is
52 // ignored.
53 std::optional<VariableId> indicator;
54 bool activate_on_zero = false;
55 std::string name;
56};
57
58template <>
64
65} // namespace operations_research::math_opt
66
67#endif // OR_TOOLS_MATH_OPT_CONSTRAINTS_INDICATOR_STORAGE_H_
An object oriented wrapper for quadratic constraints in ModelStorage.
Definition gurobi_isv.cc:28
ElementId< ElementType::kVariable > VariableId
Definition elements.h:264
ElementId< ElementType::kIndicatorConstraint > IndicatorConstraintId
Definition elements.h:268
static IndicatorConstraintData FromProto(const ProtoType &in_proto)
Definition storage.cc:29
std::vector< VariableId > RelatedVariables() const
Definition storage.cc:63
IndicatorConstraintUpdatesProto UpdatesProtoType
Definition storage.h:37