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LibJS: Fix modulo in get_iso_parts_from_epoch() for negative epoch ns

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This now matches the spec change from reminder() to modulo which was
done here: bdf60f5
This commit is contained in:
Linus Groh 2021-12-21 21:38:12 +01:00
commit c56e5139f5
Notes: sideshowbarker 2024-07-17 22:22:19 +09:00
2 changed files with 7 additions and 1 deletions
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2
Userland/Libraries/LibJS/Runtime/Temporal/TimeZone.cpp
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@ -121,7 +121,7 @@ ISODateTime get_iso_parts_from_epoch(BigInt const& epoch_nanoseconds)
// 1. Assert: epochNanoseconds is an integer.
// 2. Let remainderNs be epochNanoseconds modulo 10^6.
auto remainder_ns_bigint = epoch_nanoseconds.big_integer().divided_by(Crypto::UnsignedBigInteger { 1'000'000 }).remainder;
auto remainder_ns_bigint = modulo(epoch_nanoseconds.big_integer(), Crypto::UnsignedBigInteger { 1'000'000 });
auto remainder_ns = remainder_ns_bigint.to_double();
// 3. Let epochMilliseconds be (epochNanoseconds − remainderNs) / 10^6.