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_QUADRATIC_STORAGE_H_
15#define OR_TOOLS_MATH_OPT_CONSTRAINTS_QUADRATIC_STORAGE_H_
16
17#include <limits>
18#include <string>
19#include <vector>
20
28
30
31// Internal storage representation for a single quadratic constraint.
32//
33// Implements the interface specified for the `ConstraintData` parameter of
34// `AtomicConstraintStorage`.
39
41 static constexpr bool kSupportsElemental = true;
42
43 // The `in_proto` must be in a valid state; see the inline comments on
44 // `QuadraticConstraintProto` for details.
45 static QuadraticConstraintData FromProto(const ProtoType& in_proto);
46 ProtoType Proto() const;
47 std::vector<VariableId> RelatedVariables() const;
48 void DeleteVariable(VariableId var);
49
50 double lower_bound = -std::numeric_limits<double>::infinity();
51 double upper_bound = std::numeric_limits<double>::infinity();
54 std::string name;
55};
56
57template <>
63
64} // namespace operations_research::math_opt
65
66#endif // OR_TOOLS_MATH_OPT_CONSTRAINTS_QUADRATIC_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::kQuadraticConstraint > QuadraticConstraintId
Definition elements.h:267
QuadraticConstraintUpdatesProto UpdatesProtoType
Definition storage.h:38
static QuadraticConstraintData FromProto(const ProtoType &in_proto)
Definition storage.cc:27
std::vector< VariableId > RelatedVariables() const
Definition storage.cc:57