linear_solver: fixup

ortools/linear_solver/linear_solver.h

@@ -866,9 +866,9 @@ class MPSolver {
   static int64_t global_num_constraints();
 
   /// @deprecated Use TimeLimit() and SetTimeLimit(absl::Duration) instead.
-  /// @note These deprecated functions used the convention `time_limit = 0`
-  /// to mean "no limit", which now corresponds
-  /// `to time_limit_ = InfiniteDuration()`.
+  /// @note These deprecated functions used the convention `time_limit = 0` to
+  /// mean "no limit", which now corresponds to
+  /// `time_limit_ = InfiniteDuration()`.
   int64_t time_limit() const {
     return time_limit_ == absl::InfiniteDuration()
                ? 0

ortools/linear_solver/samples/network_design_ilph.cc

@@ -32,9 +32,9 @@
 
 namespace operations_research {
 
-::absl::Status Convert(const CapacityPlanningInstance& request,
+::absl::Status Convert(const routing::CapacityPlanningInstance& request,
                        CapacityPlanningProblem* problem) {
-  const NetworkTopology& topology = request.topology();
+  const routing::NetworkTopology& topology = request.topology();
   const int num_arcs = topology.from_node_size();
   CHECK_EQ(num_arcs, topology.to_node_size());
   CHECK_EQ(num_arcs, topology.variable_cost_size());
@@ -51,7 +51,7 @@ namespace operations_research {
   }
   const int num_nodes = problem->graph.num_nodes();
   problem->demands_at_node_per_commodity.resize(num_nodes);
-  const Commodities& commodities = request.commodities();
+  const routing::Commodities& commodities = request.commodities();
   const int num_commodities = commodities.from_node_size();
   problem->num_commodities = num_commodities;
   CHECK_EQ(commodities.to_node_size(), num_commodities);

ortools/linear_solver/samples/network_design_ilph.h

@@ -19,7 +19,6 @@
 
 #include "ortools/graph/graph.h"
 #include "ortools/linear_solver/linear_solver.h"
-#include "ortools/linear_solver/samples/network_design_ilph.h"
 #include "ortools/routing/parsers/capacity_planning.pb.h"
 
 // An implementation of the algorithm described in "An Efficient Matheuristic
@@ -51,7 +50,7 @@ struct CapacityPlanningProblem {
 
 // Converts a CapacityPlanningInstance to a CapacityPlanningProblem, which is
 // easier to use for modeling using MIPs.
-::absl::Status Convert(const CapacityPlanningInstance& request,
+::absl::Status Convert(const routing::CapacityPlanningInstance& request,
                        CapacityPlanningProblem* problem);
 
 struct CapacityPlanningParameters {

ortools/linear_solver/samples/network_design_ilph_main.cc

@@ -25,17 +25,17 @@
 #include "ortools/routing/parsers/capacity_planning.pb.h"
 #include "ortools/routing/parsers/dow_parser.h"
 
-ABSL_FLAG(std::string, input, "", "File path of the problem.");
+DEFINE_string(input, "", "File path of the problem.");
 
 using operations_research::MPSolver;
 
 int main(int argc, char* argv[]) {
   InitGoogle(argv[0], &argc, &argv, true);
   absl::SetStderrThreshold(absl::LogSeverityAtLeast::kInfo);
-  operations_research::CapacityPlanningInstance request;
+  operations_research::routing::CapacityPlanningInstance request;
   operations_research::CapacityPlanningProblem problem;
-  ::absl::Status status =
-      operations_research::ReadFile(absl::GetFlag(FLAGS_input), &request);
+  ::absl::Status status = operations_research::routing::ReadFile(
+      absl::GetFlag(FLAGS_input), &request);
   CHECK_OK(status);
   LOG(INFO) << "File was read.";
   status = operations_research::Convert(request, &problem);

ortools/linear_solver/samples/network_design_ilph_test.cc

@@ -23,16 +23,16 @@
 #include "ortools/routing/parsers/capacity_planning.pb.h"
 #include "ortools/routing/parsers/dow_parser.h"
 
-namespace operations_research {
+namespace operations_research::routing {
 namespace {
 
 TEST(ProtoToProblemTest, TransformC33) {
   CapacityPlanningInstance request;
-  ::absl::Status status =
-      ReadFile(file::JoinPathRespectAbsolute(
-                   ::testing::SrcDir(), "operations_research_data/",
-                   "MULTICOM_FIXED_CHARGE_NETWORK_DESIGN/C/c33.dow"),
-               &request);
+  ::absl::Status status = ReadFile(
+      file::JoinPathRespectAbsolute(
+          ::testing::SrcDir(), "google3/third_party/operations_research_data/",
+          "MULTICOM_FIXED_CHARGE_NETWORK_DESIGN/C/c33.dow"),
+      &request);
   EXPECT_OK(status);
   CapacityPlanningProblem problem;
   status = Convert(request, &problem);
@@ -107,4 +107,4 @@ TEST(IlphTest, SolveEmptyProto) {
 }
 
 }  // namespace
-}  // namespace operations_research
+}  // namespace operations_research::routing

ortools/linear_solver/samples/stigler_diet.cc

@@ -243,6 +243,7 @@ void StiglerDiet() {
   // [START variables]
   std::vector<MPVariable*> foods;
   const double infinity = solver->infinity();
+  foods.reserve(data.size());
   for (const Commodity& commodity : data) {
     foods.push_back(solver->MakeNumVar(0.0, infinity, commodity.name));
   }