modify tolerance policy

tests/reference/reference_tolerance_policy.h

@@ -0,0 +1,73 @@
+#ifndef FESA_TESTS_REFERENCE_REFERENCE_TOLERANCE_POLICY_H_
+#define FESA_TESTS_REFERENCE_REFERENCE_TOLERANCE_POLICY_H_
+
+#include <cstddef>
+#include <string>
+#include <vector>
+
+namespace fesa::test {
+
+enum class ReferenceToleranceBranch {
+  kNearZero,
+  kRelative,
+  kZeroScaleExact,
+};
+
+struct ReferenceToleranceRow {
+  double fesa_value;
+  double reference_value;
+};
+
+struct ReferenceToleranceFamily {
+  std::string identity;
+  std::vector<std::string> components;
+  bool blocking;
+  std::vector<ReferenceToleranceRow> rows;
+};
+
+struct ReferenceToleranceRowDecision {
+  double absolute_error;
+  double threshold;
+  double relative_error;
+  bool relative_error_applicable;
+  ReferenceToleranceBranch branch;
+  bool passed;
+};
+
+struct ReferenceToleranceFamilyDecision {
+  std::string identity;
+  std::vector<std::string> components;
+  bool blocking;
+  double reference_scale;
+  double near_zero_band;
+  std::size_t near_zero_count;
+  double relative_rms;
+  double maximum_absolute_error;
+  std::size_t worst_row;
+  bool rms_passed;
+  bool passed;
+  std::string diagnostic_code;
+  std::vector<ReferenceToleranceRowDecision> rows;
+  std::size_t row_count{};
+};
+
+struct ReferenceToleranceEvaluation {
+  bool valid;
+  std::string diagnostic_code;
+  bool passed;
+  std::vector<ReferenceToleranceFamilyDecision> families;
+};
+
+class ReferenceTolerancePolicy {
+ public:
+  static constexpr double kNearZeroRatio = 0.01;
+  static constexpr double kRelativeTolerance = 0.05;
+  static constexpr double kRelativeRmsTolerance = 0.01;
+
+  static ReferenceToleranceEvaluation Evaluate(
+      const std::vector<ReferenceToleranceFamily>& families);
+};
+
+}
+
+#endif