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| author | ROUVREAU Vincent <vincent.rouvreau@inria.fr> | 2020-01-27 10:32:03 +0100 |
|---|---|---|
| committer | ROUVREAU Vincent <vincent.rouvreau@inria.fr> | 2020-01-27 10:32:03 +0100 |
| commit | 0ce82cdc262fe9c09a1df1f559e1c17abfbbea3d (patch) | |
| tree | 56fcdcce7544a32899d0707c2274274df2c37d30 /src/common/include/gudhi/Unitary_tests_utils.h | |
| parent | 7cd38c50d3843fd222d4210507bad948afe63912 (diff) | |
| parent | 5d5f40493ce60f2a606793645bf713c60fb5284d (diff) | |
Merge upstream and resolve conflict
Diffstat (limited to 'src/common/include/gudhi/Unitary_tests_utils.h')
| -rw-r--r-- | src/common/include/gudhi/Unitary_tests_utils.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/src/common/include/gudhi/Unitary_tests_utils.h b/src/common/include/gudhi/Unitary_tests_utils.h index 7d039304..9b86460a 100644 --- a/src/common/include/gudhi/Unitary_tests_utils.h +++ b/src/common/include/gudhi/Unitary_tests_utils.h @@ -26,4 +26,15 @@ void GUDHI_TEST_FLOAT_EQUALITY_CHECK(FloatingType a, FloatingType b, BOOST_CHECK(std::fabs(a - b) <= epsilon); } +// That's the usual x86 issue where a+b==a+b can return false (without any NaN) because one of them was stored in +// memory (and thus rounded to 64 bits) while the other is still in a register (80 bits). +template<typename FloatingType > +FloatingType GUDHI_PROTECT_FLOAT(FloatingType value) { + volatile FloatingType protected_value = value; +#ifdef DEBUG_TRACES + std::cout << "GUDHI_PROTECT_FLOAT - " << protected_value << std::endl; +#endif + return protected_value; +} + #endif // UNITARY_TESTS_UTILS_H_ |