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Diffstat (limited to 'src/mongo/crypto/fle_crypto.cpp')
| -rw-r--r-- | src/mongo/crypto/fle_crypto.cpp | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/mongo/crypto/fle_crypto.cpp b/src/mongo/crypto/fle_crypto.cpp index c5bda150f5f..70c37d22ce7 100644 --- a/src/mongo/crypto/fle_crypto.cpp +++ b/src/mongo/crypto/fle_crypto.cpp @@ -4004,6 +4004,11 @@ OSTType_Decimal128 getTypeInfoDecimal128(Decimal128 value, // // Returns 3141.0 Decimal128 v_prime2 = v_prime.subtract(min.get()).scale(precision.get()); + // Round the number down again. min may have a fractional value with more decimal places + // than the precision (e.g. .001). Subtracting min may have resulted in v_prime2 with + // a non-zero fraction. v_prime2 is expected to have no fractional value when + // converting to int128. + v_prime2 = v_prime2.round(Decimal128::kRoundTowardZero); invariant(v_prime2.logarithm(Decimal128(2)).isLess(Decimal128(128))); |