diff options
author | Cedric Nugteren <web@cedricnugteren.nl> | 2017-02-19 17:43:26 +0100 |
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committer | Cedric Nugteren <web@cedricnugteren.nl> | 2017-02-19 17:43:26 +0100 |
commit | 133ebfc83414c4aa0e8fce9f6f7b9d43e6774380 (patch) | |
tree | 572c3754bac2522328d3653766c0a2267843553c /test/correctness | |
parent | c248f900c036e1d1644e2cc744c45c94f61c5835 (diff) |
Added data-preparation function for the TRSV tests and special nan/inf checks in the error checking to make the tests pass
Diffstat (limited to 'test/correctness')
-rw-r--r-- | test/correctness/tester.cpp | 21 |
1 files changed, 19 insertions, 2 deletions
diff --git a/test/correctness/tester.cpp b/test/correctness/tester.cpp index c0ed5ba4..dd2f3f99 100644 --- a/test/correctness/tester.cpp +++ b/test/correctness/tester.cpp @@ -40,6 +40,12 @@ float getAbsoluteErrorMargin<half>() { return 0.10f; // especially small values are inaccurate for half-precision } +// Error margin: numbers beyond this value are considered equal to inf or NaN +template <typename T> +T getAlmostInfNumber() { + return T{1e35}; // used for correctness testing of TRSV and TRSM routines +} + // Maximum number of test results printed on a single line template <typename T, typename U> const size_t Tester<T,U>::kResultsPerLine = size_t{64}; @@ -426,8 +432,19 @@ bool TestSimilarityNear(const T val1, const T val2, if (val1 == val2) { return true; } - // Handles cases with both results NaN - else if (std::isnan(val1) && std::isnan(val2)) { + // Handles cases with both results NaN or inf + else if ((std::isnan(val1) && std::isnan(val2)) || (std::isinf(val1) && std::isinf(val2))) { + return true; + } + // Also considers it OK if one of the results in NaN and the other is inf + // Note: for TRSV and TRSM routines + else if ((std::isnan(val1) && std::isinf(val2)) || (std::isinf(val1) && std::isnan(val2))) { + return true; + } + // Also considers it OK if one of the values is super large and the other is inf or NaN + // Note: for TRSV and TRSM routines + else if ((std::abs(val1) > getAlmostInfNumber<T>() && (std::isinf(val2) || std::isnan(val2))) || + (std::abs(val2) > getAlmostInfNumber<T>() && (std::isinf(val1) || std::isnan(val1)))) { return true; } // The values are zero or very small: the relative error is less meaningful |