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| author | Geert Bosch <geert@mongodb.com> | 2016-05-11 00:13:54 -0400 |
|---|---|---|
| committer | Geert Bosch <geert@mongodb.com> | 2016-06-06 13:21:09 -0400 |
| commit | 3ffb9e1ca369e3a5dee5ad4f420d9d4e9866e7af (patch) | |
| tree | 224903b9e14b80a4241a3e9c27f00750e7cd4c4f /src/mongo/platform/decimal128.h | |
| parent | 6a00e2746082e71691d27b3be0b75fe3be89fda7 (diff) | |
| download | mongo-3ffb9e1ca369e3a5dee5ad4f420d9d4e9866e7af.tar.gz | |
SERVER-19735: Add new Decimal128 operations needed by aggregation
Diffstat (limited to 'src/mongo/platform/decimal128.h')
| -rw-r--r-- | src/mongo/platform/decimal128.h | 23 |
1 files changed, 22 insertions, 1 deletions
diff --git a/src/mongo/platform/decimal128.h b/src/mongo/platform/decimal128.h index d736efd9c34..5f9d72a3d5b 100644 --- a/src/mongo/platform/decimal128.h +++ b/src/mongo/platform/decimal128.h @@ -315,7 +315,7 @@ public: /** * This set of mathematical operation functions implement the corresponding * IEEE 754-2008 operations on self and other. - * The operations are commutative, so a.add(b) is equivalent to b.add(a). + * The 'add' and 'multiply' methods are commutative, so a.add(b) is equivalent to b.add(a). * Rounding of results that require a precision greater than 34 decimal digits * is performed using the supplied rounding mode (defaulting to kRoundTiesToEven). * NaNs and infinities are handled according to the IEEE 754-2008 specification. @@ -342,6 +342,27 @@ public: Decimal128 divide(const Decimal128& other, std::uint32_t* signalingFlags, RoundingMode roundMode = kRoundTiesToEven) const; + Decimal128 exponential(RoundingMode roundMode = kRoundTiesToEven) const; + Decimal128 exponential(std::uint32_t* signalingFlags, + RoundingMode roundMode = kRoundTiesToEven) const; + Decimal128 logarithm(RoundingMode roundMode = kRoundTiesToEven) const; + Decimal128 logarithm(std::uint32_t* signalingFlags, + RoundingMode roundMode = kRoundTiesToEven) const; + Decimal128 logarithm(const Decimal128& other, RoundingMode roundMode = kRoundTiesToEven) const; + Decimal128 logarithm(const Decimal128& other, + std::uint32_t* signalingFlags, + RoundingMode roundMode = kRoundTiesToEven) const; + Decimal128 modulo(const Decimal128& other) const; + Decimal128 modulo(const Decimal128& other, std::uint32_t* signalingFlags) const; + + Decimal128 power(const Decimal128& other, RoundingMode roundMode = kRoundTiesToEven) const; + Decimal128 power(const Decimal128& other, + std::uint32_t* signalingFlags, + RoundingMode roundMode = kRoundTiesToEven) const; + + Decimal128 squareRoot(RoundingMode roundMode = kRoundTiesToEven) const; + Decimal128 squareRoot(std::uint32_t* signalingFlags, + RoundingMode roundMode = kRoundTiesToEven) const; /** * This function quantizes the current decimal given a quantum reference |