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authorGravatar Abseil Team <absl-team@google.com>2018-09-05 10:20:22 -0700
committerGravatar Mark Barolak <mbar@google.com>2018-09-05 15:21:18 -0400
commitfb462224c058487763f263b7995d70efd0242c17 (patch)
tree0ae54439d31e8190ca34cac0da912a6daa78fa85 /absl/time/internal/cctz/include
parentc075ad321696fa5072e097f0a51e4fe76a6fe13e (diff)
Export of internal Abseil changes.
-- 86b1c997fac1f77b0eacfab788659b5a89a6096e by Abseil Team <absl-team@google.com>: Import of CCTZ from GitHub. PiperOrigin-RevId: 211654320 -- 299b70e1247df768454a76eb957a184de9706f61 by Chris Kennelly <ckennelly@google.com>: Avoid creating a misaligned reference to int. PiperOrigin-RevId: 211505883 -- c8fad4357ad0bfb3c5ad197c505509bc087072c9 by Abseil Team <absl-team@google.com>: Import of CCTZ from GitHub. PiperOrigin-RevId: 211458539 -- 0613feffcd36466c3e53a50758d7e8f17c001dce by Greg Falcon <gfalcon@google.com>: Refactor a string unit test into a template function for internal purposes. PiperOrigin-RevId: 211100748 GitOrigin-RevId: 86b1c997fac1f77b0eacfab788659b5a89a6096e Change-Id: Ic6a932b6c27c6762dcdb3b0127f1e2be782418c1
Diffstat (limited to 'absl/time/internal/cctz/include')
-rw-r--r--absl/time/internal/cctz/include/cctz/civil_time_detail.h8
1 files changed, 2 insertions, 6 deletions
diff --git a/absl/time/internal/cctz/include/cctz/civil_time_detail.h b/absl/time/internal/cctz/include/cctz/civil_time_detail.h
index f831258f..5fe0967f 100644
--- a/absl/time/internal/cctz/include/cctz/civil_time_detail.h
+++ b/absl/time/internal/cctz/include/cctz/civil_time_detail.h
@@ -508,12 +508,8 @@ CONSTEXPR_F weekday get_weekday(const civil_day& cd) noexcept {
CONSTEXPR_D int k_weekday_offsets[1 + 12] = {
-1, 0, 3, 2, 5, 0, 3, 5, 1, 4, 6, 2, 4,
};
- year_t wd = cd.year() - (cd.month() < 3);
- if (wd >= 0) {
- wd += wd / 4 - wd / 100 + wd / 400;
- } else {
- wd += (wd - 3) / 4 - (wd - 99) / 100 + (wd - 399) / 400;
- }
+ year_t wd = 2400 + (cd.year() % 400) - (cd.month() < 3);
+ wd += wd / 4 - wd / 100 + wd / 400;
wd += k_weekday_offsets[cd.month()] + cd.day();
return k_weekday_by_sun_off[(wd % 7 + 7) % 7];
}