{"published":"2022-05-30 08:42:12","author_name":"zehnpaard","author_url":"https://blog.hatena.ne.jp/zehnpaard/","type":"rich","blog_url":"https://zehnpaard.hatenablog.com/","blog_title":"Arantium Maestum","version":"1.0","provider_url":"https://hatena.blog","provider_name":"Hatena Blog","url":"https://zehnpaard.hatenablog.com/entry/2022/05/30/084212","description":"\u3053\u3046\u3044\u3046\u30c4\u30a4\u30fc\u30c8\u304c\u3042\u3063\u305f Python\u541b\u3055\u3041\u2026 pic.twitter.com/HDdQrSO8yp\u2014 not (@not_522) May 25, 2022 \u300c\u307e\u3042\u5927\u4f53IEEE 754\u306e\u305b\u3044\u300d\u3067\u307b\u307c\u7d42\u308f\u308b\u8a71\u3067\u306f\u3042\u308b\u306e\u3060\u3051\u3069\u3001\u5c11\u3057\u6df1\u6398\u308a\u3082\u3057\u305f\u306e\u3067\u3061\u3087\u3073\u3063\u3068\u5099\u5fd8\u9332\u30e1\u30e2\u3002 \u554f\u984c\u3092\uff08\u5c11\u3057\u9806\u756a\u3092\u5909\u3048\u305f\u4e0a\u3067\uff09\u518d\u63b2\u3059\u308b\u3068\uff1a x = float('nan') x == x # False [x] == [x] # True y = float('nan') x == y # False [x] == [y] # False [x] == [copy.deepcopy(x)] # True NaN != Na\u2026","categories":["Python"],"title":"Python\u306eNaN\u5468\u308a\u306e\u6319\u52d5\u3068IEEE754\u306b\u3064\u3044\u3066\u306e\u30e1\u30e2","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fzehnpaard.hatenablog.com%2Fentry%2F2022%2F05%2F30%2F084212\" title=\"Python\u306eNaN\u5468\u308a\u306e\u6319\u52d5\u3068IEEE754\u306b\u3064\u3044\u3066\u306e\u30e1\u30e2 - Arantium Maestum\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","image_url":null,"width":"100%","height":"190"}