{"author_name":"fortran66","published":"2017-05-20 00:15:54","categories":[],"description":"IEEE754 \u306e\u898f\u683c\u3067\u306f\u3001\u52a0\u6e1b\u4e57\u9664\u306e\u4e8c\u9805\u6f14\u7b97\u306b\u3064\u3044\u3066\u3001\u5b9f\u6570\u3068\u305d\u306e\u6d6e\u52d5\u5c0f\u6570\u70b9\u6570\u8868\u73fe\u306e\u69cb\u9020\u304c\u4fdd\u305f\u308c\u308b\u3053\u3068\u3092\u8981\u6c42\u3057\u3066\u3044\u307e\u3059\u3002\u3064\u307e\u308a\u3001\u52a0\u7b97\u306e\u5834\u5408\u3092\u4f8b\u306b\u3068\u308b\u3068\u3001 a + b = c fl(a) + fl(b)= fl(a + b) = fl(c)\u3053\u306e\u6027\u8cea\u304c\u3042\u308b\u306e\u3067\u3001\u5b9f\u6570\u306e\u53ef\u63db\u306a\u6027\u8cea\u306f\u4fdd\u305f\u308c\u307e\u3059\u3002\uff08overflow \u3068\u304b\u3057\u306a\u3051\u308c\u3070\uff09 fl(a) + fl(b)= fl(a + b) = fl(b + a) = fl(b) + fl(a)\u4e00\u65b9\u3001\u5b9f\u6570\u3067\u6210\u308a\u7acb\u3064\u3082\u3063\u3068\u57fa\u672c\u7684\u306a\u6f14\u7b97\u898f\u5247\u3067\u3042\u308b\u7d50\u5408\u5247\u306e\u65b9\u306f\u3001\u4e09\u9805\u6f14\u7b97\u306b\u76f8\u5f53\u3057\u3066\u3044\u3066\u3001\u898f\u683c\u304b\u3089\u306e\u8981\u8acb\u3082\u306a\u304f\uff08\u305f\u3076\u3093\uff57\uff09\u6210\u308a\u7acb\u305f\u306a\u3044\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002\u300c\u6841\u843d\u3061\u300d\u3084\u300c\u7a4d\u307f\u6b8b\u3057\u300d\u2026","blog_title":"fortran66\u306e\u30d6\u30ed\u30b0","type":"rich","title":"\u6d6e\u52d5\u5c0f\u6570\u70b9\u6570\u3067\u306f\u7d50\u5408\u5247\u304c\u6210\u308a\u7acb\u305f\u306a\u3044","url":"https://fortran66.hatenablog.com/entry/2017/05/20/001554","height":"190","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Ffortran66.hatenablog.com%2Fentry%2F2017%2F05%2F20%2F001554\" title=\"\u6d6e\u52d5\u5c0f\u6570\u70b9\u6570\u3067\u306f\u7d50\u5408\u5247\u304c\u6210\u308a\u7acb\u305f\u306a\u3044 - fortran66\u306e\u30d6\u30ed\u30b0\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","provider_url":"https://hatena.blog","version":"1.0","provider_name":"Hatena Blog","width":"100%","author_url":"https://blog.hatena.ne.jp/fortran66/","blog_url":"https://fortran66.hatenablog.com/","image_url":null}