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| author | Geert Bosch <geert.bosch@mongodb.com> | 2019-10-17 16:17:40 +0000 |
|---|---|---|
| committer | evergreen <evergreen@mongodb.com> | 2019-10-17 16:17:40 +0000 |
| commit | 5e9a5647539b661e00d9417face72abbaa289aa8 (patch) | |
| tree | 36ba9c4c57c46a6cee952347207299833fe378bb | |
| parent | 684e936937f04afbd9cd0d5a619c7604fc99f0f8 (diff) | |
| download | mongo-5e9a5647539b661e00d9417face72abbaa289aa8.tar.gz | |
SERVER-43034 Correctly deal with infinite results in DoubleDoubleSummation
(cherry picked from commit 9d31de1d5458e865439e643eb75f719d5217d064)
| -rw-r--r-- | src/mongo/util/summation.h | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/src/mongo/util/summation.h b/src/mongo/util/summation.h index 1da8efe4bb1..d199fc304a7 100644 --- a/src/mongo/util/summation.h +++ b/src/mongo/util/summation.h @@ -91,9 +91,9 @@ public: * Summations of even extremely long series of 32-bit and 64-bit integers should be exact. */ Decimal128 getDecimal() const { - return std::isnan(_sum) ? Decimal128(_special, Decimal128::kRoundTo34Digits) - : Decimal128(_sum, Decimal128::kRoundTo34Digits) - .add(Decimal128(_addend, Decimal128::kRoundTo34Digits)); + return !std::isfinite(_sum) ? Decimal128(_special, Decimal128::kRoundTo34Digits) + : Decimal128(_sum, Decimal128::kRoundTo34Digits) + .add(Decimal128(_addend, Decimal128::kRoundTo34Digits)); } /** |