{"author_name":"nurse","blog_title":"\u306a\u308b\u305b\u306b\u3063\u304d","published":"2009-12-29 22:44:22","version":"1.0","description":"\u4e16\u306e\u4e2d\u306b\u306f\u6d6e\u52d5\u5c0f\u6570\u70b9\u6570\u3068\u3044\u3046\u3082\u306e\u304c\u3042\u308b\u306e\u3060\u3051\u308c\u3069\u3001\u3053\u3044\u3064\u306f\u4fbf\u5229\u306a\u3088\u3046\u306a\u4e0d\u4fbf\u306a\u3088\u3046\u306a\u3084\u3064\u3060\u3002\u307e\u3041\u3001\u305d\u306e\u8fba\u306f\u300c\u307e\u3064\u3082\u3068\u76f4\u4f1d \u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u306e\u30aa\u30ad\u30c6 \u7b2c15\u56de \u6d6e\u52d5\u5c0f\u6570\u70b9\u6570\u306e\u8b0e\u306b\u6e80\u3061\u305f\u4e16\u754c\u300d\u3084\u300cIEEE754 \u500d\u7cbe\u5ea6\u6d6e\u52d5\u5c0f\u6570\u70b9\u6570\u306e\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u300d\u3092\u306f\u3058\u3081\u3068\u3057\u3066\u65b9\u3005\u3067\u89e3\u8aac\u3055\u308c\u3066\u3044\u308b\u306e\u3067\u7565\u305d\u3046\u3002 \u3055\u3066\u3001\u6700\u8fd1\u306f\u6d6e\u52d5\u5c0f\u6570\u70b9\u6570\u3068\u3044\u3048\u3070 IEEE 754 \u306e\u4e8b\u3092\u610f\u5473\u3059\u308b\u4e8b\u304c\u591a\u3044\u3002IEEE 754 \u3067\u306f\u3044\u304f\u3064\u304b\u6570\u3067\u306a\u3044\u300c\u6570\u300d\u304c\u898f\u5b9a\u3055\u308c\u3066\u3044\u308b\u3002\u5177\u4f53\u7684\u306b\u306f Infinity \u3068 NaN \u3060\u3002IEEE 754 \u6e96\u62e0\u306a\u51e6\u7406\u7cfb\u306a\u3089\u3070\u3001\u3053\u308c\u3089\u3082\u6d6e\u52d5\u5c0f\u6570\u70b9\u6570\u3068\u3057\u3066\u6271\u3046\u4e8b\u304c\u51fa\u6765\u308b\u3002 Rubyist \u3068\u3057\u3066\u306f\u5f53\u7136\u3053\u308c\u3089\u3092 Ruby \u2026","image_url":null,"title":"NaN - \u7121\u9650\u3092\u6c42\u3081\u3066 -","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fnaruse.hateblo.jp%2Fentry%2F20091229%2F1262094262\" title=\"NaN - \u7121\u9650\u3092\u6c42\u3081\u3066 - - \u306a\u308b\u305b\u306b\u3063\u304d\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","url":"https://naruse.hateblo.jp/entry/20091229/1262094262","categories":["Ruby"],"width":"100%","height":"190","author_url":"https://blog.hatena.ne.jp/nurse/","blog_url":"https://naruse.hateblo.jp/","type":"rich","provider_url":"https://hatena.blog","provider_name":"Hatena Blog"}