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Export of internal Abseil changes.

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9fa04b5fb4b6aeb47226b9095b3bc36a53669c39 by Abseil Team <absl-team@google.com>:

Release types/compare.h, which contains stand ins for three-way comparison result types from C++20. Use absl::weak_ordering for a three-way comparator in test-instance-tracker.h.

PiperOrigin-RevId: 247290078

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70a762f4eb35ea1d5a5fcb3274a8086824a0b82c by Derek Mauro <dmauro@google.com>:

Upgrade linux_clang-latest builds to LLVM r356814 and Bazel 0.25.0

PiperOrigin-RevId: 247250176

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f305cd5c36561e4dbb69eb87568553ae5badcb15 by CJ Johnson <johnsoncj@google.com>:

Remove argument deduction based on template template argument in InlinedVector/Storage

PiperOrigin-RevId: 247232334

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2cab8e426838baceb7d08edb313416480d26aa5b by Eric Fiselier <ericwf@google.com>:

Import of CCTZ from GitHub.

PiperOrigin-RevId: 247140132
GitOrigin-RevId: 9fa04b5fb4b6aeb47226b9095b3bc36a53669c39
Change-Id: I373a7d9bc90befa2a9f06555cb8703610c0313b9
This commit is contained in:
Abseil Team 2019-05-08 14:20:43 -07:00 • committed by Eric Fiselier
parent aa468ad755
commit 27c2f6e2f3
18 changed files with 982 additions and 14 deletions
Download patch file Download diff file Expand all files Collapse all files

38
absl/time/internal/cctz/include/cctz/civil_time_detail.h
View file

@ -555,13 +555,43 @@ CONSTEXPR_F weekday get_weekday(const civil_day& cd) noexcept {
////////////////////////////////////////////////////////////////////////
CONSTEXPR_F civil_day next_weekday(civil_day cd, weekday wd) noexcept {
do { cd += 1; } while (get_weekday(cd) != wd);
return cd;
CONSTEXPR_D weekday k_weekdays_forw[14] = {
weekday::monday, weekday::tuesday, weekday::wednesday,
weekday::thursday, weekday::friday, weekday::saturday,
weekday::sunday, weekday::monday, weekday::tuesday,
weekday::wednesday, weekday::thursday, weekday::friday,
weekday::saturday, weekday::sunday,
};
weekday base = get_weekday(cd);
for (int i = 0;; ++i) {
if (base == k_weekdays_forw[i]) {
for (int j = i + 1;; ++j) {
if (wd == k_weekdays_forw[j]) {
return cd + (j - i);
}
}
}
}
}
CONSTEXPR_F civil_day prev_weekday(civil_day cd, weekday wd) noexcept {
do { cd -= 1; } while (get_weekday(cd) != wd);
return cd;
CONSTEXPR_D weekday k_weekdays_back[14] = {
weekday::sunday, weekday::saturday, weekday::friday,
weekday::thursday, weekday::wednesday, weekday::tuesday,
weekday::monday, weekday::sunday, weekday::saturday,
weekday::friday, weekday::thursday, weekday::wednesday,
weekday::tuesday, weekday::monday,
};
weekday base = get_weekday(cd);
for (int i = 0;; ++i) {
if (base == k_weekdays_back[i]) {
for (int j = i + 1;; ++j) {
if (wd == k_weekdays_back[j]) {
return cd - (j - i);
}
}
}
}
}
CONSTEXPR_F int get_yearday(const civil_day& cd) noexcept {

50
absl/time/internal/cctz/src/cctz_benchmark.cc
View file

@ -47,6 +47,56 @@ void BM_Step_Days(benchmark::State& state) {
}
BENCHMARK(BM_Step_Days);
void BM_GetWeekday(benchmark::State& state) {
const cctz::civil_day c(2014, 8, 22);
while (state.KeepRunning()) {
benchmark::DoNotOptimize(cctz::get_weekday(c));
}
}
BENCHMARK(BM_GetWeekday);
void BM_NextWeekday(benchmark::State& state) {
const cctz::civil_day kStart(2014, 8, 22);
const cctz::civil_day kDays[7] = {
kStart + 0, kStart + 1, kStart + 2, kStart + 3,
kStart + 4, kStart + 5, kStart + 6,
};
const cctz::weekday kWeekdays[7] = {
cctz::weekday::monday, cctz::weekday::tuesday, cctz::weekday::wednesday,
cctz::weekday::thursday, cctz::weekday::friday, cctz::weekday::saturday,
cctz::weekday::sunday,
};
while (state.KeepRunningBatch(7 * 7)) {
for (const auto from : kDays) {
for (const auto to : kWeekdays) {
benchmark::DoNotOptimize(cctz::next_weekday(from, to));
}
}
}
}
BENCHMARK(BM_NextWeekday);
void BM_PrevWeekday(benchmark::State& state) {
const cctz::civil_day kStart(2014, 8, 22);
const cctz::civil_day kDays[7] = {
kStart + 0, kStart + 1, kStart + 2, kStart + 3,
kStart + 4, kStart + 5, kStart + 6,
};
const cctz::weekday kWeekdays[7] = {
cctz::weekday::monday, cctz::weekday::tuesday, cctz::weekday::wednesday,
cctz::weekday::thursday, cctz::weekday::friday, cctz::weekday::saturday,
cctz::weekday::sunday,
};
while (state.KeepRunningBatch(7 * 7)) {
for (const auto from : kDays) {
for (const auto to : kWeekdays) {
benchmark::DoNotOptimize(cctz::prev_weekday(from, to));
}
}
}
}
BENCHMARK(BM_PrevWeekday);
const char RFC3339_full[] = "%Y-%m-%dT%H:%M:%E*S%Ez";
const char RFC3339_sec[] = "%Y-%m-%dT%H:%M:%S%Ez";