feat(cpp-object-oriented-modular-refactoring): step 6 - io-application-google-style

tests/reference/mitc4_reference_comparison.h

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+#ifndef FESA_TESTS_REFERENCE_MITC4_REFERENCE_COMPARISON_H_
+#define FESA_TESTS_REFERENCE_MITC4_REFERENCE_COMPARISON_H_
+
+#include <cstddef>
+#include <cstdint>
+#include <filesystem>
+#include <string>
+#include <vector>
+
+#include "fesa/core/status.h"
+
+namespace fesa::test {
+
+struct Mitc4ReferenceCase {
+  std::string case_id;
+  std::string expected_source_element_type;
+  std::filesystem::path input_path;
+  std::filesystem::path displacement_csv_path;
+  std::filesystem::path results_hdf5_path;
+};
+
+struct Mitc4RowDecision {
+  std::string case_id;
+  std::string instance_name;
+  std::int64_t source_node_label;
+  std::string component;
+  double fesa_value;
+  double reference_value;
+  double absolute_error;
+  double tolerance;
+  double normalized_error;
+  bool blocking;
+  bool within_tolerance;
+};
+
+struct Mitc4ComponentMetrics {
+  std::string component;
+  double reference_scale;
+  double tolerance;
+  double maximum_absolute_error;
+  double maximum_normalized_error;
+  double rms_error;
+  double vector_norm_error;
+  std::size_t worst_row;
+};
+
+struct Mitc4VectorMetrics {
+  std::string instance_name;
+  std::int64_t source_node_label;
+  double displacement_norm_error;
+  double rotation_norm_error;
+};
+
+struct Mitc4Warning {
+  std::string code;
+  std::size_t row;
+  std::string message;
+};
+
+struct Mitc4ComparisonReport {
+  std::string case_id;
+  std::string source_element_type;
+  std::string internal_formulation;
+  std::string integration_rule;
+  std::vector<Mitc4RowDecision> rows;
+  std::vector<Mitc4ComponentMetrics> metrics;
+  std::vector<Mitc4VectorMetrics> vector_metrics;
+  std::vector<Mitc4Warning> warnings;
+  std::size_t worst_row;
+  bool passed;
+};
+
+class Mitc4ReferenceComparison {
+ public:
+  static Result<Mitc4ComparisonReport> Compare(
+      const Mitc4ReferenceCase& reference_case);
+  static Status WriteDeterministicJson(
+      const Mitc4ComparisonReport& report,
+      const std::filesystem::path& output_json);
+};
+
+}  // namespace fesa::test
+
+#endif  // FESA_TESTS_REFERENCE_MITC4_REFERENCE_COMPARISON_H_