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#include <cstdio>
#include "HCheckConfig.h"
#include "Highs.h"
#include "catch.hpp"
#include "io/FilereaderEms.h"
#include "io/HMPSIO.h"
const bool dev_run = false;
TEST_CASE("highs-info", "[highs_info]") {
std::string filename;
filename = std::string(HIGHS_DIR) + "/check/instances/avgas.mps";
filename = std::string(HIGHS_DIR) + "/check/instances/adlittle.mps";
// filename = std::string(HIGHS_DIR) + "/check/instances/25fv47.mps";
Highs highs;
if (!dev_run) highs.setOptionValue("output_flag", false);
const HighsInfo& highs_info = highs.getInfo();
HighsStatus return_status = highs.readModel(filename);
REQUIRE(return_status == HighsStatus::kOk);
// Cannot write info since not valid before run()
return_status = highs.writeInfo("");
REQUIRE(return_status == HighsStatus::kWarning);
return_status = highs.setOptionValue("solver", "ipm");
REQUIRE(return_status == HighsStatus::kOk);
HighsInfoType highs_info_type;
return_status = highs.getInfoType("objective_value", highs_info_type);
REQUIRE(return_status == HighsStatus::kError);
return_status =
highs.getInfoType("objective_function_value", highs_info_type);
REQUIRE(return_status == HighsStatus::kOk);
REQUIRE(highs_info_type == HighsInfoType::kDouble);
return_status = highs.getInfoType("iteration_count", highs_info_type);
REQUIRE(return_status == HighsStatus::kError);
return_status = highs.getInfoType("simplex_iteration_count", highs_info_type);
REQUIRE(return_status == HighsStatus::kOk);
REQUIRE(highs_info_type == HighsInfoType::kInt);
return_status = highs.getInfoType("mip_count", highs_info_type);
REQUIRE(return_status == HighsStatus::kError);
return_status = highs.getInfoType("mip_node_count", highs_info_type);
REQUIRE(return_status == HighsStatus::kOk);
REQUIRE(highs_info_type == HighsInfoType::kInt64);
// Info not valid before run()
double objective_function_value;
return_status =
highs.getInfoValue("objective_function_value", objective_function_value);
REQUIRE(return_status == HighsStatus::kWarning);
return_status = highs.run();
REQUIRE(return_status == HighsStatus::kOk);
if (dev_run) {
return_status = highs.writeInfo("");
REQUIRE(return_status == HighsStatus::kOk);
}
std::string highs_info_file = "Highs.info";
return_status = highs.writeInfo(highs_info_file);
REQUIRE(return_status == HighsStatus::kOk);
// Wrong name for objective
return_status =
highs.getInfoValue("objective_value", objective_function_value);
REQUIRE(return_status == HighsStatus::kError);
// Right name for objective
return_status =
highs.getInfoValue("objective_function_value", objective_function_value);
REQUIRE(return_status == HighsStatus::kOk);
if (dev_run)
printf("From getInfoValue: objective_function_value = %g\n",
objective_function_value);
HighsInt simplex_iteration_count;
// Wrong name for simplex iteration count
return_status =
highs.getInfoValue("iteration_count", simplex_iteration_count);
REQUIRE(return_status == HighsStatus::kError);
// Right name for simplex iteration count
return_status =
highs.getInfoValue("simplex_iteration_count", simplex_iteration_count);
REQUIRE(return_status == HighsStatus::kOk);
const HighsModelStatus model_status = highs.getModelStatus();
if (dev_run) {
printf("From getModelStatus: model_status = %s\n",
highs.modelStatusToString(model_status).c_str());
printf("From getInfo: objective_function_value = %g\n",
highs_info.objective_function_value);
printf("From getInfo: ipm_iteration_count = %" HIGHSINT_FORMAT "\n",
highs_info.ipm_iteration_count);
}
std::remove(highs_info_file.c_str());
}
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