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Simplify write_fractional_seconds

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This commit is contained in:
Victor Zverovich
2022-01-09 14:16:32 -08:00
parent d9f045fba1
commit 9ff91b18cd
1 changed files with 4 additions and 6 deletions
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10
include/fmt/chrono.h
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@ -1664,6 +1664,7 @@ struct chrono_formatter {
} }
template <typename Duration> void write_fractional_seconds(Duration d) { template <typename Duration> void write_fractional_seconds(Duration d) {
FMT_ASSERT(!std::is_floating_point<typename Duration::rep>::value, "");
constexpr auto num_fractional_digits = constexpr auto num_fractional_digits =
count_fractional_digits(Duration::period::num, Duration::period::den); count_fractional_digits(Duration::period::num, Duration::period::den);
@ -1674,12 +1675,9 @@ struct chrono_formatter {
if (std::ratio_less<typename subsecond_precision::period, if (std::ratio_less<typename subsecond_precision::period,
std::chrono::seconds::period>::value) { std::chrono::seconds::period>::value) {
*out++ = '.'; *out++ = '.';
// Don't convert long double to integer seconds to avoid overflow. auto fractional =
using sec = conditional_t< detail::abs(d) - std::chrono::duration_cast<std::chrono::seconds>(d);
std::is_same<typename Duration::rep, long double>::value, auto subseconds =
std::chrono::duration<long double>, std::chrono::seconds>;
auto fractional = detail::abs(d) - std::chrono::duration_cast<sec>(d);
const auto subseconds =
std::chrono::treat_as_floating_point< std::chrono::treat_as_floating_point<
typename subsecond_precision::rep>::value typename subsecond_precision::rep>::value
? fractional.count() ? fractional.count()