62 lines
2.1 KiB
C++
62 lines
2.1 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_FLATZINC_CP_MODEL_FZ_SOLVER_H_
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#define ORTOOLS_FLATZINC_CP_MODEL_FZ_SOLVER_H_
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#include <string>
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#include "ortools/flatzinc/model.h"
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#include "ortools/util/logging.h"
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namespace operations_research {
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namespace fz {
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struct FlatzincSatParameters {
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bool search_all_solutions = false;
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bool display_all_solutions = false;
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bool use_free_search = false;
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bool log_search_progress = false;
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bool display_statistics = false;
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int random_seed = 0;
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int number_of_threads = 0;
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double max_time_in_seconds = 0.0;
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bool ortools_mode = false;
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bool check_all_solutions = false;
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};
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} // namespace fz
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namespace sat {
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// Scan the model to replace all int2float to int_eq, and all floating point
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// variables used in these int2float constraint to be integral.
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//
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// Scan the model to find a floating point objective (defined by a single
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// floating point variable and a single float_lin_eq constraint defining it),
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// and replace them by a single objective with integer variables and floating
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// point weights.
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void ProcessFloatingPointOVariablesAndObjective(fz::Model* fz_model);
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// Solves the given flatzinc model using the CP-SAT solver.
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void SolveFzWithCpModelProto(const fz::Model& model,
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const fz::FlatzincSatParameters& p,
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const std::string& sat_params,
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SolverLogger* logger,
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SolverLogger* solution_logger);
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} // namespace sat
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} // namespace operations_research
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#endif // ORTOOLS_FLATZINC_CP_MODEL_FZ_SOLVER_H_
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