41 lines
1.6 KiB
C++
41 lines
1.6 KiB
C++
// Copyright 2010-2025 Google LLC
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#ifndef ORTOOLS_LINEAR_SOLVER_GUROBI_UTIL_H_
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#define ORTOOLS_LINEAR_SOLVER_GUROBI_UTIL_H_
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#include <string>
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#include "absl/flags/declare.h"
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#include "absl/status/statusor.h"
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#include "ortools/third_party_solvers/gurobi_environment.h"
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namespace operations_research {
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absl::StatusOr<GRBenv*> GetGurobiEnv();
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// This returns true if the Gurobi shared library is properly loaded (otherwise,
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// tries to find it and load it) and if a Gurobi license can be obtained (it
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// does that by trying to grab a license and then release it).
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bool GurobiIsCorrectlyInstalled();
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// Returns a human-readable listing of all gurobi parameters that are set to
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// non-default values, and their current value in the given environment. If all
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// parameters are at their default value, returns the empty string.
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// To produce a one-liner string, use `one_liner_output=true`.
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std::string GurobiParamInfoForLogging(GRBenv* grb,
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bool one_liner_output = false);
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} // namespace operations_research
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#endif // ORTOOLS_LINEAR_SOLVER_GUROBI_UTIL_H_
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