highs_proto_solver.h

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// Copyright 2010-2025 Google LLC
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
 
#ifndef ORTOOLS_LINEAR_SOLVER_PROTO_SOLVER_HIGHS_PROTO_SOLVER_H_
#define ORTOOLS_LINEAR_SOLVER_PROTO_SOLVER_HIGHS_PROTO_SOLVER_H_
 
#include <cstdint>
 
#include "absl/status/statusor.h"
#include "ortools/linear_solver/linear_solver.pb.h"
#include "ortools/util/lazy_mutable_copy.h"
 
namespace operations_research {
 
// Information about the Highs solve.
struct HighsSolveInfo {
  int64_t mip_node_count;  // The number of nodes generated by the MIP solver.
};
 
// Solve the input MIP model with the HIGHS solver and fills `solve_info` if
// provided.
absl::StatusOr<MPSolutionResponse> HighsSolveProto(
    LazyMutableCopy<MPModelRequest> request,
    HighsSolveInfo* solve_info = nullptr);
 
}  // namespace operations_research
 
#endif  // ORTOOLS_LINEAR_SOLVER_PROTO_SOLVER_HIGHS_PROTO_SOLVER_H_