{"id":110,"date":"2021-08-29T22:56:59","date_gmt":"2021-08-29T14:56:59","guid":{"rendered":"http:\/\/139.224.63.49\/?p=110"},"modified":"2021-08-29T22:56:59","modified_gmt":"2021-08-29T14:56:59","slug":"c%e4%b8%ad%e5%88%a4%e6%96%adfloat%e6%98%af%e5%90%a6%e4%b8%banan","status":"publish","type":"post","link":"http:\/\/iamnear.top\/?p=110","title":{"rendered":"c++\u4e2d\u5224\u65adfloat\u662f\u5426\u4e3anan"},"content":{"rendered":"\n<p>\u4eca\u5929\u5728\u7528pcl\u6765\u505a\u70b9\u4e91\u7684\u66f2\u7387\u4f30\u8ba1\uff0c\u53d1\u73b0\u62a5\u9519\u4e86\u3002\u8c03\u8bd5\u53d1\u73b0\u662f\u56e0\u4e3aNormalEstimation\u8fd4\u56de\u7684\u66f2\u7387\u6709\u7684\u662fnan\uff0c\u6240\u4ee5\u62a5\u9519\u4e86\u3002\u7ecf\u8fc7\u4e00\u756a\u641c\u7d22\uff0c\u624d\u77e5\u9053\u539f\u6765\u53ef\u4ee5\u6709\u4e00\u79cd\u5f88\u7b80\u5355\u7684\u65b9\u5f0f\u5224\u65ad\u4e00\u4e2afloat\u7c7b\u578b\u7684\u6570\u636e\u662f\u5426\u662fnan<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>float x;\nif(x!=x)\n    cout&lt;&lt;\"x is nan\"&lt;&lt;endl;<\/code><\/pre>\n\n\n\n<p>\u6211\u8bd5\u4e86\u4e00\u4e0b\uff0c\u786e\u5b9e\u6709\u7528\u3002\u8bb0\u4e0b\u6765\u9632\u6b62\u4ee5\u540e\u5fd8\u4e86<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4eca\u5929\u5728\u7528pcl\u6765\u505a\u70b9\u4e91\u7684\u66f2\u7387\u4f30\u8ba1\uff0c\u53d1\u73b0\u62a5\u9519\u4e86\u3002\u8c03\u8bd5\u53d1\u73b0\u662f\u56e0\u4e3aNormalEstimation\u8fd4\u56de\u7684\u66f2&hellip; <a href=\"http:\/\/iamnear.top\/?p=110\" class=\"more-link read-more\" rel=\"bookmark\">\u7ee7\u7eed\u9605\u8bfb <span class=\"screen-reader-text\">c++\u4e2d\u5224\u65adfloat\u662f\u5426\u4e3anan<\/span><i class=\"fa fa-arrow-right\"><\/i><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[],"class_list":{"0":"post-110","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"hentry","6":"category-c_plus_plus","7":"h-entry","9":"h-as-article"},"_links":{"self":[{"href":"http:\/\/iamnear.top\/index.php?rest_route=\/wp\/v2\/posts\/110","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/iamnear.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/iamnear.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/iamnear.top\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/iamnear.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=110"}],"version-history":[{"count":1,"href":"http:\/\/iamnear.top\/index.php?rest_route=\/wp\/v2\/posts\/110\/revisions"}],"predecessor-version":[{"id":111,"href":"http:\/\/iamnear.top\/index.php?rest_route=\/wp\/v2\/posts\/110\/revisions\/111"}],"wp:attachment":[{"href":"http:\/\/iamnear.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=110"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/iamnear.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=110"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/iamnear.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=110"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}