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| author | Jonathan Wakely <jwakely@redhat.com> | 2021-06-23 18:50:03 +0100 |
|---|---|---|
| committer | Jonathan Wakely <jwakely@redhat.com> | 2021-06-23 18:50:03 +0100 |
| commit | 4a404f66b09d661bdc60e7e0d5d08f00c4e194db (patch) | |
| tree | 860081e6602f70957115dec32758a90a045a9477 | |
| parent | 8509a5001046d10fda6c9a2c0c4511f75fc8f619 (diff) | |
| download | gcc-4a404f66b09d661bdc60e7e0d5d08f00c4e194db.zip gcc-4a404f66b09d661bdc60e7e0d5d08f00c4e194db.tar.gz gcc-4a404f66b09d661bdc60e7e0d5d08f00c4e194db.tar.bz2 | |
libstdc++: Fix comment in chrono::year::is_leap()
libstdc++-v3/ChangeLog:
* include/std/chrono (chrono::year::is_leap()): Fix incorrect
logic in comment.
| -rw-r--r-- | libstdc++-v3/include/std/chrono | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/libstdc++-v3/include/std/chrono b/libstdc++-v3/include/std/chrono index 863b6a2..0b597be 100644 --- a/libstdc++-v3/include/std/chrono +++ b/libstdc++-v3/include/std/chrono @@ -1606,8 +1606,8 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION // [1] https://github.com/cassioneri/calendar // [2] https://accu.org/journals/overload/28/155/overload155.pdf#page=16 - // Furthermore, if y%100 != 0, then y%400==0 is equivalent to y%16==0, - // so we can rearrange the expression to (mult_100 ? y % 4 : y % 16)==0 + // Furthermore, if y%100 == 0, then y%400==0 is equivalent to y%16==0, + // so we can simplify it to (!mult_100 && y % 4 == 0) || y % 16 == 0, // which is equivalent to (y & (mult_100 ? 15 : 3)) == 0. // See https://gcc.gnu.org/pipermail/libstdc++/2021-June/052815.html |