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Export of internal Abseil changes

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--
990253454819ce26ff1dda9ab4bbc145b61d01e4 by Xiaoyi Zhang <zhangxy@google.com>:

Import github PR https://github.com/abseil/abseil-cpp/pull/645

PiperOrigin-RevId: 303119797

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5ac845cb7929b7d1eaf59a309afd811db5001175 by Abseil Team <absl-team@google.com>:

Fix internal exception spec compatibility error

PiperOrigin-RevId: 303104081

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3290595dd866eecab3c7044e2e3ca0adb74f1bf5 by Gennadiy Rozental <rogeeff@google.com>:

Use FlagValue<T> to represent the value of a flag. Place it directly after
FlagImpl and use a computed offset refer to it.

The offset is computed based on the assumption that the `value_` data member
is placed directly after the impl_ data member in Flag<T>.

This change will allow us to migrate to `T`-specific storage in the generic case.

This change decreases the overhead for int flags by 32 bytes.

PiperOrigin-RevId: 303038099

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f2b37722cd7a6d3a60ef9713f0d2bbff56f3ddbf by Derek Mauro <dmauro@google.com>:

Minor correctness fix for an ABSL_HAVE_BUILTIN conditional

PiperOrigin-RevId: 302980666

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39c079a6141ae1c5728af8bf33a39c8aff9deb9f by Abseil Team <absl-team@google.com>:

Use ABSL_HARDENING_ASSERT in b-tree and SwissTable iterators.

PiperOrigin-RevId: 302970075

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9668a044e080c789df32bcaa1ffb5100831cd9fa by Benjamin Barenblat <bbaren@google.com>:

Correct `add_subdirectory` line in CMake googletest support

Commit bcefbdcdf6 added support for building with CMake against a local googletest checkout, but I missed a line when constructing the diff. Change the `add_subdirectory` line to reference the correct directories.

PiperOrigin-RevId: 302947488

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0a3c10fabf80a43ca69ab8b1570030e55f2be741 by Andy Soffer <asoffer@google.com>:

Remove unused distribution format traits.

PiperOrigin-RevId: 302896176

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0478f2f6270e5ed64c0e28ec09556ca90b2d46a9 by Samuel Benzaquen <sbenza@google.com>:

Fix for CWG:2310.

PiperOrigin-RevId: 302734089

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3cb978dda5cae5905affdc0914dcc2d27671ed11 by Samuel Benzaquen <sbenza@google.com>:

Fix the Allocate/Deallocate functions to use the same underlying allocator type.

PiperOrigin-RevId: 302721804

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ae38d3984fb68b4e3ddc165fa8d5c24d5936be52 by Matthew Brown <matthewbr@google.com>:

Internal Change

PiperOrigin-RevId: 302717314

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7357cf7abd03cc60b6e82b5f28a8e34935c3b4dc by Andy Getzendanner <durandal@google.com>:

Fix typo: s/ABSL_HARDENED_ASSERT/ABSL_HARDENING_ASSERT/

PiperOrigin-RevId: 302532164
GitOrigin-RevId: 990253454819ce26ff1dda9ab4bbc145b61d01e4
Change-Id: Ie595a221c16e1e7e1255ad42e029b646c5f3e11d
This commit is contained in:
Abseil Team 2020-03-26 08:48:01 -07:00 • committed by Xiaoyi Zhang
parent 132d791b40
commit 79e0dc1151
29 changed files with 387 additions and 607 deletions
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37
absl/random/distributions.h
View file

@ -55,7 +55,6 @@
#include "absl/base/internal/inline_variable.h"
#include "absl/random/bernoulli_distribution.h"
#include "absl/random/beta_distribution.h"
#include "absl/random/distribution_format_traits.h"
#include "absl/random/exponential_distribution.h"
#include "absl/random/gaussian_distribution.h"
#include "absl/random/internal/distributions.h" // IWYU pragma: export
@ -126,14 +125,13 @@ Uniform(TagType tag,
R lo, R hi) {
using gen_t = absl::decay_t<URBG>;
using distribution_t = random_internal::UniformDistributionWrapper<R>;
using format_t = random_internal::DistributionFormatTraits<distribution_t>;
auto a = random_internal::uniform_lower_bound(tag, lo, hi);
auto b = random_internal::uniform_upper_bound(tag, lo, hi);
if (a > b) return a;
return random_internal::DistributionCaller<gen_t>::template Call<
distribution_t, format_t>(&urbg, tag, lo, hi);
distribution_t>(&urbg, tag, lo, hi);
}
// absl::Uniform<T>(bitgen, lo, hi)
@ -146,7 +144,6 @@ Uniform(URBG&& urbg, // NOLINT(runtime/references)
R lo, R hi) {
using gen_t = absl::decay_t<URBG>;
using distribution_t = random_internal::UniformDistributionWrapper<R>;
using format_t = random_internal::DistributionFormatTraits<distribution_t>;
constexpr auto tag = absl::IntervalClosedOpen;
auto a = random_internal::uniform_lower_bound(tag, lo, hi);
@ -154,7 +151,7 @@ Uniform(URBG&& urbg, // NOLINT(runtime/references)
if (a > b) return a;
return random_internal::DistributionCaller<gen_t>::template Call<
distribution_t, format_t>(&urbg, lo, hi);
distribution_t>(&urbg, lo, hi);
}
// absl::Uniform(tag, bitgen, lo, hi)
@ -172,14 +169,13 @@ Uniform(TagType tag,
using gen_t = absl::decay_t<URBG>;
using return_t = typename random_internal::uniform_inferred_return_t<A, B>;
using distribution_t = random_internal::UniformDistributionWrapper<return_t>;
using format_t = random_internal::DistributionFormatTraits<distribution_t>;
auto a = random_internal::uniform_lower_bound<return_t>(tag, lo, hi);
auto b = random_internal::uniform_upper_bound<return_t>(tag, lo, hi);
if (a > b) return a;
return random_internal::DistributionCaller<gen_t>::template Call<
distribution_t, format_t>(&urbg, tag, static_cast<return_t>(lo),
distribution_t>(&urbg, tag, static_cast<return_t>(lo),
static_cast<return_t>(hi));
}
@ -196,7 +192,6 @@ Uniform(URBG&& urbg, // NOLINT(runtime/references)
using gen_t = absl::decay_t<URBG>;
using return_t = typename random_internal::uniform_inferred_return_t<A, B>;
using distribution_t = random_internal::UniformDistributionWrapper<return_t>;
using format_t = random_internal::DistributionFormatTraits<distribution_t>;
constexpr auto tag = absl::IntervalClosedOpen;
auto a = random_internal::uniform_lower_bound<return_t>(tag, lo, hi);
@ -204,7 +199,7 @@ Uniform(URBG&& urbg, // NOLINT(runtime/references)
if (a > b) return a;
return random_internal::DistributionCaller<gen_t>::template Call<
distribution_t, format_t>(&urbg, static_cast<return_t>(lo),
distribution_t>(&urbg, static_cast<return_t>(lo),
static_cast<return_t>(hi));
}
@ -217,10 +212,9 @@ typename absl::enable_if_t<!std::is_signed<R>::value, R> //
Uniform(URBG&& urbg) { // NOLINT(runtime/references)
using gen_t = absl::decay_t<URBG>;
using distribution_t = random_internal::UniformDistributionWrapper<R>;
using format_t = random_internal::DistributionFormatTraits<distribution_t>;
return random_internal::DistributionCaller<gen_t>::template Call<
distribution_t, format_t>(&urbg);
distribution_t>(&urbg);
}
// -----------------------------------------------------------------------------
@ -248,10 +242,9 @@ bool Bernoulli(URBG&& urbg, // NOLINT(runtime/references)
double p) {
using gen_t = absl::decay_t<URBG>;
using distribution_t = absl::bernoulli_distribution;
using format_t = random_internal::DistributionFormatTraits<distribution_t>;
return random_internal::DistributionCaller<gen_t>::template Call<
distribution_t, format_t>(&urbg, p);
distribution_t>(&urbg, p);
}
// -----------------------------------------------------------------------------
@ -281,10 +274,9 @@ RealType Beta(URBG&& urbg, // NOLINT(runtime/references)
using gen_t = absl::decay_t<URBG>;
using distribution_t = typename absl::beta_distribution<RealType>;
using format_t = random_internal::DistributionFormatTraits<distribution_t>;
return random_internal::DistributionCaller<gen_t>::template Call<
distribution_t, format_t>(&urbg, alpha, beta);
distribution_t>(&urbg, alpha, beta);
}
// -----------------------------------------------------------------------------
@ -314,10 +306,9 @@ RealType Exponential(URBG&& urbg, // NOLINT(runtime/references)
using gen_t = absl::decay_t<URBG>;
using distribution_t = typename absl::exponential_distribution<RealType>;
using format_t = random_internal::DistributionFormatTraits<distribution_t>;
return random_internal::DistributionCaller<gen_t>::template Call<
distribution_t, format_t>(&urbg, lambda);
distribution_t>(&urbg, lambda);
}
// -----------------------------------------------------------------------------
@ -346,10 +337,9 @@ RealType Gaussian(URBG&& urbg, // NOLINT(runtime/references)
using gen_t = absl::decay_t<URBG>;
using distribution_t = typename absl::gaussian_distribution<RealType>;
using format_t = random_internal::DistributionFormatTraits<distribution_t>;
return random_internal::DistributionCaller<gen_t>::template Call<
distribution_t, format_t>(&urbg, mean, stddev);
distribution_t>(&urbg, mean, stddev);
}
// -----------------------------------------------------------------------------
@ -389,10 +379,9 @@ IntType LogUniform(URBG&& urbg, // NOLINT(runtime/references)
using gen_t = absl::decay_t<URBG>;
using distribution_t = typename absl::log_uniform_int_distribution<IntType>;
using format_t = random_internal::DistributionFormatTraits<distribution_t>;
return random_internal::DistributionCaller<gen_t>::template Call<
distribution_t, format_t>(&urbg, lo, hi, base);
distribution_t>(&urbg, lo, hi, base);
}
// -----------------------------------------------------------------------------
@ -420,10 +409,9 @@ IntType Poisson(URBG&& urbg, // NOLINT(runtime/references)
using gen_t = absl::decay_t<URBG>;
using distribution_t = typename absl::poisson_distribution<IntType>;
using format_t = random_internal::DistributionFormatTraits<distribution_t>;
return random_internal::DistributionCaller<gen_t>::template Call<
distribution_t, format_t>(&urbg, mean);
distribution_t>(&urbg, mean);
}
// -----------------------------------------------------------------------------
@ -453,10 +441,9 @@ IntType Zipf(URBG&& urbg, // NOLINT(runtime/references)
using gen_t = absl::decay_t<URBG>;
using distribution_t = typename absl::zipf_distribution<IntType>;
using format_t = random_internal::DistributionFormatTraits<distribution_t>;
return random_internal::DistributionCaller<gen_t>::template Call<
distribution_t, format_t>(&urbg, hi, q, v);
distribution_t>(&urbg, hi, q, v);
}
ABSL_NAMESPACE_END