call model file writer functions from linear solver

google · Jul 8, 2024 · 6c5ff24 · 6c5ff24
1 parent 6d135d8
commit 6c5ff24
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Showing 2 changed files with 23 additions and 0 deletions.
diff --git a/ortools/linear_solver/linear_solver.cc b/ortools/linear_solver/linear_solver.cc
@@ -1868,6 +1868,25 @@ bool MPSolver::ExportModelAsMpsFormat(bool fixed_format, bool obfuscate,
   return status_or.ok();
 }
 
+bool MPSolver::WriteModelAsLpFormat(const std::string& file_path,
+                                    bool obfuscate) const {
+  MPModelProto proto;
+  ExportModelToProto(&proto);
+  MPModelExportOptions options;
+  options.obfuscate = obfuscate;
+  return operations_research::WriteModelAsLpFormat(proto, file_path, options);
+}
+
+bool MPSolver::WriteModelAsMpsFormat(const std::string& file_path,
+                                     bool fixed_format,
+                                     bool obfuscate) const {
+  MPModelProto proto;
+  ExportModelToProto(&proto);
+  MPModelExportOptions options;
+  options.obfuscate = obfuscate;
+  return operations_research::WriteModelAsMpsFormat(proto, file_path, options);
+}
+
 void MPSolver::SetHint(std::vector<std::pair<const MPVariable*, double>> hint) {
   for (const auto& var_value_pair : hint) {
     CHECK(OwnsVariable(var_value_pair.first))

diff --git a/ortools/linear_solver/linear_solver.h b/ortools/linear_solver/linear_solver.h
@@ -669,6 +669,10 @@ class MPSolver {
   bool ExportModelAsLpFormat(bool obfuscate, std::string* model_str) const;
   bool ExportModelAsMpsFormat(bool fixed_format, bool obfuscate,
                               std::string* model_str) const;
+
+  bool WriteModelAsLpFormat(const std::string& file_path, bool obfuscate) const;
+  bool WriteModelAsMpsFormat(const std::string& file_path, bool fixed_format,
+                             bool obfuscate) const;
 
   /**
    *  Sets the number of threads to use by the underlying solver.