diff options
| -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 |