OR-Tools  8.2
cp_model_checker.h
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1// Copyright 2010-2018 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_SAT_CP_MODEL_CHECKER_H_
15#define OR_TOOLS_SAT_CP_MODEL_CHECKER_H_
16
17#include <string>
18#include <vector>
19
21#include "ortools/sat/cp_model.pb.h"
22
23namespace operations_research {
24namespace sat {
25
26// Verifies that the given model satisfies all the properties described in the
27// proto comments. Returns an empty string if it is the case, otherwise fails at
28// the first error and returns a human-readable description of the issue.
29//
30// TODO(user): Add any needed overflow validation because we are far from
31// exhaustive. We could also run a small presolve that tighten variable bounds
32// before the overflow check to facilitate the lives of our users, but it is a
33// some work to put in place.
34std::string ValidateCpModel(const CpModelProto& model);
35
36// Verifies that the given variable assignment is a feasible solution of the
37// given model. The values vector should be in one to one correspondence with
38// the model.variables() list of variables.
39//
40// The last two arguments are optional and help debugging a failing constraint
41// due to presolve.
42bool SolutionIsFeasible(const CpModelProto& model,
43 const std::vector<int64>& variable_values,
44 const CpModelProto* mapping_proto = nullptr,
45 const std::vector<int>* postsolve_mapping = nullptr);
46
47} // namespace sat
48} // namespace operations_research
49
50#endif // OR_TOOLS_SAT_CP_MODEL_CHECKER_H_
GRBmodel * model
bool SolutionIsFeasible(const CpModelProto &model, const std::vector< int64 > &variable_values, const CpModelProto *mapping_proto, const std::vector< int > *postsolve_mapping)
std::string ValidateCpModel(const CpModelProto &model)
The vehicle routing library lets one model and solve generic vehicle routing problems ranging from th...