feat(cmath): copysignやsignbitにinfやnanの例を追加#1559
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teruyamato0731 merged 4 commits intomasterfrom Jan 12, 2026
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⚡ プレビュー (HTML) (更新時刻: 2026-01-12 11:30:48 JST) 変更記事一覧3件の記事が変更されました。 ※ソース (.md) に直接変更のあった記事を列挙しています。グローバル修飾や変換規則の変更による変化は考慮していません。 |
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問題がなければマージしたいと思います。 |
onihusube
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Jan 11, 2026
akinomyoga
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Jan 11, 2026
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@onihusube このような形でいかがでしょうか？ |
akinomyoga
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Jan 12, 2026
Co-Authored-By: Koichi Murase <8982192+akinomyoga@users.noreply.github.com>
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問題点
copysignやsignbitについて、NaNについての挙動が言及されているが、例ではNaNやinfinityなどの値に対して、どのように振る舞うのか示されていなかった。signbitではNaNの符号を検出できる移植性のある方法として、copysignを示していたが、copysignではsignbitに言及されていなかった。加えた変更
copysignの備考にsignbitについての記述を追加しました。copysignの例にinfやnanの例を追加しました。signbitの例にinfやnanの例を追加しました。