feat(linear-static-mitc4-shell): step 13 - shell-reference-comparison

tests/reference/mitc4_reference_comparison.cpp

@@ -32,8 +32,7 @@ constexpr const char* kDisplacementPath =
 constexpr const char* kInternalFormulation = "FESA-MITC4";
 constexpr const char* kIntegrationRule =
     "2x2x2-gauss; mitc4-edge-midpoint-shear";
-constexpr double kAbsoluteFloor = 1.0e-9;
-constexpr double kRelativeCoefficient = 1.0e-6;
+constexpr double kFixedAbsoluteTolerance = 1.0e-5;
 constexpr std::array<const char*, 6> kComponents{
     "U1", "U2", "U3", "UR1", "UR2", "UR3"};
 const std::vector<std::string> kExpectedHeader{
@@ -761,8 +760,7 @@ Result<Mitc4ComparisonReport> Mitc4ReferenceComparison::compare(
             for (std::size_t component = 0U;
                  component < kComponents.size();
                  ++component) {
-                const double tolerance =
-                    kAbsoluteFloor + kRelativeCoefficient * scales[component];
+                const double tolerance = kFixedAbsoluteTolerance;
                 const double absoluteError = std::abs(
                     hdf5Row.values[component] -
                     reference->second->values[component]);
@@ -830,7 +828,7 @@ Result<Mitc4ComparisonReport> Mitc4ReferenceComparison::compare(
             report.metrics.push_back({
                 kComponents[component],
                 scales[component],
-                kAbsoluteFloor + kRelativeCoefficient * scales[component],
+                kFixedAbsoluteTolerance,
                 maximumErrors[component],
                 maximumNormalized[component],
                 errorNorms[component] / std::sqrt(rowCount),