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Adjusted the correctness-test error margins

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This commit is contained in:
Cedric Nugteren 2016-03-06 16:32:38 +01:00
parent c93cd2fc2d
commit 7468e2ba9d
1 changed files with 5 additions and 5 deletions
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10
test/correctness/tester.cc
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@ -280,21 +280,21 @@ bool TestSimilarity(const T val1, const T val2) {
const auto difference = std::fabs(val1 - val2); const auto difference = std::fabs(val1 - val2);
// Set the allowed error margin for floating-point comparisons // Set the allowed error margin for floating-point comparisons
constexpr auto kErrorMarginRelative = 1.0e-2; constexpr auto kErrorMarginRelative = T{0.025};
constexpr auto kErrorMarginAbsolute = 1.0e-10; constexpr auto kErrorMarginAbsolute = T{1.0e-6};
// Shortcut, handles infinities // Shortcut, handles infinities
if (val1 == val2) { if (val1 == val2) {
return true; return true;
} }
// The values are zero or very small: the relative error is less meaningful // The values are zero or very small: the relative error is less meaningful
else if (val1 == 0 || val2 == 0 || difference < static_cast<T>(kErrorMarginAbsolute)) { else if (val1 == 0 || val2 == 0 || difference < kErrorMarginAbsolute) {
return (difference < static_cast<T>(kErrorMarginAbsolute)); return (difference < kErrorMarginAbsolute);
} }
// Use relative error // Use relative error
else { else {
const auto absolute_sum = std::fabs(val1) + std::fabs(val2); const auto absolute_sum = std::fabs(val1) + std::fabs(val2);
return (difference / absolute_sum) < static_cast<T>(kErrorMarginRelative); return (difference / absolute_sum) < kErrorMarginRelative;
} }
} }