{"author_name":"hnw","width":"100%","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fhnw.hatenablog.com%2Fentry%2F20140129\" title=\"Mono\u3067\u5de8\u5927\u306a\u6d6e\u52d5\u5c0f\u6570\u70b9\u6570\u3092\u4e38\u3081\u305f\u3089\u7121\u9650\u5927\u306b\u306a\u3063\u305f - hnw\u306e\u65e5\u8a18\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","author_url":"https://blog.hatena.ne.jp/hnw/","type":"rich","provider_name":"Hatena Blog","published":"2014-01-29 00:00:00","url":"https://hnw.hatenablog.com/entry/20140129","description":"Mono\u306eround\u95a2\u6570\u306b\u30d0\u30b0\u3092\u898b\u3064\u3051\u305f\u3088\u3001\u3068\u3044\u3046\u6bce\u5ea6\u304a\u306a\u3058\u307f\u306e\u8a71\u984c\u3067\u3059\u3002 \u65e9\u901f\u3067\u3059\u304c\u3001\u6d6e\u52d5\u5c0f\u6570\u70b9\u6570\u3067\u6271\u3048\u308b\u4e00\u756a\u5927\u304d\u3044\u6570\u3092\u6d6e\u52d5\u5c0f\u6570\u70b9\u6570\u4ee5\u4e0b\u7b2c2\u4f4d\u3067\u4e38\u3081\u3066\u7b2c1\u4f4d\u307e\u3067\u306b\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002 using System; class RoundingBigFloat { static void Main() { double d = Double.MaxValue; Console.WriteLine(d); // 1.79769313486232E+308 Console.WriteLine(Math.Round(d, 1)); // Infinity } } \u4e0a\u8a18\u30b3\u30fc\u30c9\u306e\u30b3\u30e1\u30f3\u30c8\u90e8\u306e\u901a\u308a\u3001\u5927\u304d\u3044\u6570\u3092\u4e38\u2026","blog_url":"https://hnw.hatenablog.com/","provider_url":"https://hatena.blog","version":"1.0","blog_title":"hnw\u306e\u65e5\u8a18","image_url":null,"title":"Mono\u3067\u5de8\u5927\u306a\u6d6e\u52d5\u5c0f\u6570\u70b9\u6570\u3092\u4e38\u3081\u305f\u3089\u7121\u9650\u5927\u306b\u306a\u3063\u305f","height":"190","categories":["\u6d6e\u52d5\u5c0f\u6570\u70b9\u6570"]}