C++ (Cpp) Decimal128::isEqual示例

示例#1

文件： decimal128.cpp 项目： EvgeniyPatlan/percona-server-mongodb

Decimal128 Decimal128::logarithm(const Decimal128& other, RoundingMode roundMode) const {
    std::uint32_t throwAwayFlag = 0;
    if (other.isEqual(Decimal128(2))) {
        BID_UINT128 current = decimal128ToLibraryType(_value);
        current = bid128_log2(current, roundMode, &throwAwayFlag);
        return Decimal128{libraryTypeToValue(current)};
    }
    if (other.isEqual(Decimal128(10))) {
        BID_UINT128 current = decimal128ToLibraryType(_value);
        current = bid128_log10(current, roundMode, &throwAwayFlag);
        return Decimal128{libraryTypeToValue(current)};
    }
    return logarithm(other, &throwAwayFlag);
}

示例#2

文件： decimal128_test.cpp 项目： VonRosenchild/percona-server-mongodb

TEST(Decimal128Test, TestDecimal128DivideSignaling) {
    Decimal128 d("2");
    uint32_t sigFlags = Decimal128::SignalingFlag::kNoFlag;
    Decimal128 res = d.divide(Decimal128(0), &sigFlags);
    ASSERT_TRUE(res.isEqual(Decimal128::kPositiveInfinity));
    ASSERT_TRUE(Decimal128::hasFlag(sigFlags, Decimal128::SignalingFlag::kDivideByZero));
}

示例#3

文件： decimal128_test.cpp 项目： VonRosenchild/percona-server-mongodb

TEST(Decimal128Test, TestDecimal128MultiplySignaling) {
    Decimal128 d("2");
    uint32_t sigFlags = Decimal128::SignalingFlag::kNoFlag;
    Decimal128 res = d.multiply(Decimal128::kLargestPositive, &sigFlags);
    ASSERT_TRUE(res.isEqual(Decimal128::kPositiveInfinity));
    ASSERT_TRUE(Decimal128::hasFlag(sigFlags, Decimal128::SignalingFlag::kOverflow));
}

示例#4

文件： decimal128_test.cpp 项目： VonRosenchild/percona-server-mongodb

TEST(Decimal128Test, TestDecimal128SubtractSignaling) {
    Decimal128 d = Decimal128::kLargestNegative;
    uint32_t sigFlags = Decimal128::SignalingFlag::kNoFlag;
    Decimal128 res = d.subtract(Decimal128(1), &sigFlags);
    ASSERT_TRUE(res.isEqual(Decimal128::kLargestNegative));
    ASSERT_TRUE(Decimal128::hasFlag(sigFlags, Decimal128::SignalingFlag::kInexact));
}

示例#5

文件： expression_internal_schema_fmod.cpp 项目： EvgeniyPatlan/percona-server-mongodb

bool InternalSchemaFmodMatchExpression::matchesSingleElement(const BSONElement& e,
                                                             MatchDetails* details) const {
    if (!e.isNumber()) {
        return false;
    }
    std::uint32_t flags = Decimal128::SignalingFlag::kNoFlag;
    Decimal128 result = e.numberDecimal().modulo(_divisor, &flags);
    if (flags == Decimal128::SignalingFlag::kNoFlag) {
        return result.isEqual(_remainder);
    }
    return false;
}

示例#6

文件： decimal128_test.cpp 项目： VonRosenchild/percona-server-mongodb

TEST(Decimal128Test, TestAbsValueNeg) {
    Decimal128 d(-25);
    Decimal128 dAbs = d.toAbs();
    ASSERT_TRUE(dAbs.isEqual(Decimal128(25)));
}

示例#7

文件： decimal128_test.cpp 项目： VonRosenchild/percona-server-mongodb

// Tests for absolute value function
TEST(Decimal128Test, TestAbsValuePos) {
    Decimal128 d(25);
    Decimal128 dAbs = d.toAbs();
    ASSERT_TRUE(dAbs.isEqual(d));
}