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Improve sign processing

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This commit is contained in:
Victor Zverovich
2024-07-17 14:29:19 -07:00
parent 808ea0191a
commit 0f87d6ffa6
1 changed files with 1 additions and 1 deletions
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2
include/fmt/format.h
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@ -1120,7 +1120,7 @@ template <typename Char, typename Sign> constexpr auto sign(Sign s) -> Char {
#if !FMT_GCC_VERSION || FMT_GCC_VERSION >= 604
static_assert(std::is_same<Sign, sign_t>::value, "");
#endif
return static_cast<Char>("\0-+ "[s]);
return static_cast<char>(((' ' << 24) | ('+' << 16) | ('-' << 8)) >> (s * 8));
}
template <typename T> FMT_CONSTEXPR auto count_digits_fallback(T n) -> int {