{"type":"rich","height":"190","description":"NaN\u3092\u5165\u529b\u3068\u3059\u308b\u6642\u306e\u95a2\u6570\u306e\u51fa\u529b\u306f\u3001\u898f\u683c\u4e0a\u306e\u4ed5\u69d8\u304c\u5b9a\u307e\u3063\u3066\u3044\u306a\u3044\u3089\u3057\u304f\u30d9\u30f3\u30c0\u30fc\u4f9d\u5b58\u306e\u3088\u3046\u3067\u3059\u3002Intel Fotran\u306e\u5834\u5408\u3001\u307b\u3068\u3093\u3069\u306e\u95a2\u6570\u306fNaN\u304c\u51fa\u529b\u306b\u306a\u308b\u3088\u3046\u3067\u3059\u304c\u3001SIGN\u95a2\u6570\u306f\u7b26\u53f7\u30d3\u30c3\u30c8\u3060\u3051\u3092\u307f\u3066\u3044\u308b\u3088\u3046\u3067\u3001NaN\u304b\u3089\u5b9f\u6570\u3078\u3088\u307f\u304c\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3088\u3046\u3067\u3059\u3002 \u8ffd\u8a18\uff1aifort \u306f\u8ca0\u53f7\u3068\u95a2\u4fc2\u306a\u3057\u3001gfortran \u306f\u7b26\u53f7\u306e\u9006\u3002sign(a, b) \u306e\u5b9a\u7fa9\u306f\u3001b \u306e\u7b26\u53f7\u306b\u5f93\u3063\u3066\u305d\u306e\u7b26\u53f7\u3092\u3064\u3051\u305f a \u3092\u8fd4\u3059\u3068\u3044\u3046\u3082\u306e\u306a\u306e\u3067\u3001b \u304c NaN \u3067\u3082 a \u306e\u306a\u306b\u304c\u3057\u304b\u3092\u8fd4\u3059\u306e\u3067\u3057\u3087\u3046\u3002\u3057\u304b\u3057 NaN \u306f\u7b26\u53f7\u3092\u6301\u305f\u306a\u3044\u306e\u3067\u30d9\u30f3\u30c0\u30fc\u4f9d\u5b58\u3067\u9069\u5f53\u306a\u7b26\u53f7\u3092\u3064\u3051\u3066\u3044\u308b\u3088\u3046\u3067\u3059\u3002 \u00b1\u7121\u9650\u5927\u3092\u5f15\u6570\u3068\u3059\u308b\u5834\u5408\u3001AT\u2026","published":"2012-04-14 16:40:41","blog_url":"https://fortran66.hatenablog.com/","width":"100%","title":"NaN\u304b\u3089\u666e\u901a\u306e\u6570\u5b57\u306b\u623b\u308c\u308b\u95a2\u6570SIGN","image_url":"http://cdn-ak.f.st-hatena.com/images/fotolife/f/fortran66/20120414/20120414163958.png","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Ffortran66.hatenablog.com%2Fentry%2F20120414%2F1334389241\" title=\"NaN\u304b\u3089\u666e\u901a\u306e\u6570\u5b57\u306b\u623b\u308c\u308b\u95a2\u6570SIGN - 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>","url":"https://fortran66.hatenablog.com/entry/20120414/1334389241","provider_name":"Hatena Blog","version":"1.0","categories":["Fortran"],"author_url":"https://blog.hatena.ne.jp/fortran66/","author_name":"fortran66","provider_url":"https://hatena.blog","blog_title":"fortran66\u306e\u30d6\u30ed\u30b0"}