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Export of internal Abseil changes.

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00d42e3d5433aaf29c2ed293520b2ba178ae8bdb by Greg Falcon <gfalcon@google.com>:

Import of CCTZ from GitHub.

PiperOrigin-RevId: 238061818

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867a7ca318fac2991ea9a4107dbae3cc9fbf974a by Abseil Team <absl-team@google.com>:

Added a IWYU export pragma when including a standard header for the purpose of aliasing its symbols.

PiperOrigin-RevId: 238022277

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17047745058f2f151cd986ea9f649512542d3876 by Matt Armstrong <marmstrong@google.com>:

Clarify the comment discouraging WrapUnique<T>(x) calls.

PiperOrigin-RevId: 237873803

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3dcb2e4968243d33ca0ce53280c445df50f4a7ec by Samuel Benzaquen <sbenza@google.com>:

Workaround clang bug https://bugs.llvm.org/show_bug.cgi?id=38289

PiperOrigin-RevId: 237873551

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f348d2dc7087a990cbdfb95aa51fd7ff478ae40e by Samuel Benzaquen <sbenza@google.com>:

Reduce minimum capacity to 1.
This reduces memory usage for small tables.
A flat_hash_set<int> of 1 element goes from 92 bytes to 24.
A flat_hash_set<string> of 1 element goes from 512 bytes to 56.

PiperOrigin-RevId: 237859811

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9c8125be5e4e5d22a7bb62bdec8c323338385c1b by Jon Cohen <cohenjon@google.com>:

Bump to CMake 3.5. This is the oldest modern cmake being included by default in most popular OS distributions according to https://repology.org/project/cmake/versions.  Specifically, Ubuntu LTS 16.04 uses cmake 3.5 (https://packages.ubuntu.com/xenial/cmake)

PiperOrigin-RevId: 237859345

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07638d672e0a4dced986a62750cfd8318ed36ffa by Derek Mauro <dmauro@google.com>:

Import of CCTZ from GitHub.

PiperOrigin-RevId: 237714597
GitOrigin-RevId: 00d42e3d5433aaf29c2ed293520b2ba178ae8bdb
Change-Id: I5faecc45add4a5a774d4f9baf06e5519091f2ccc
This commit is contained in:
Abseil Team 2019-03-12 11:39:15 -07:00 • committed by vslashg
parent 88a152ae74
commit 256be56344
37 changed files with 180 additions and 128 deletions
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14
absl/numeric/int128_test.cc
View file

@ -271,6 +271,20 @@ TEST(Uint128, ConversionTests) {
EXPECT_EQ(static_cast<absl::uint128>(round_to_zero), 0);
EXPECT_EQ(static_cast<absl::uint128>(round_to_five), 5);
EXPECT_EQ(static_cast<absl::uint128>(round_to_nine), 9);
absl::uint128 highest_precision_in_long_double =
~absl::uint128{} >> (128 - std::numeric_limits<long double>::digits);
EXPECT_EQ(highest_precision_in_long_double,
static_cast<absl::uint128>(
static_cast<long double>(highest_precision_in_long_double)));
// Apply a mask just to make sure all the bits are the right place.
const absl::uint128 arbitrary_mask =
absl::MakeUint128(0xa29f622677ded751, 0xf8ca66add076f468);
EXPECT_EQ(highest_precision_in_long_double & arbitrary_mask,
static_cast<absl::uint128>(static_cast<long double>(
highest_precision_in_long_double & arbitrary_mask)));
EXPECT_EQ(static_cast<absl::uint128>(-0.1L), 0);
}
TEST(Uint128, OperatorAssignReturnRef) {