{"id":27549,"date":"2023-04-29T17:22:12","date_gmt":"2023-04-29T09:22:12","guid":{"rendered":"https:\/\/docs.pingcode.com\/?p=27549"},"modified":"2023-07-31T01:34:56","modified_gmt":"2023-07-30T17:34:56","slug":"java%e9%87%8cfloat%e5%9c%a8%e4%b9%98%e4%bb%a55%e4%b9%8b%e5%90%8e%e4%b8%ba%e4%bb%80%e4%b9%88%e4%bc%9a%e5%87%ba%e7%8e%b0%e5%be%88%e5%a4%9a%e5%b0%8f%e6%95%b0","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/27549.html","title":{"rendered":"Java\u91ccfloat\u5728\u4e58\u4ee55\u4e4b\u540e\u4e3a\u4ec0\u4e48\u4f1a\u51fa\u73b0\u5f88\u591a\u5c0f\u6570"},"content":{"rendered":"<blockquote class=\"wp-block-quote\">\n<p>Java\u91ccfloat\u5728\u4e58\u4ee55\u4e4b\u540e\u4f1a\u51fa\u73b0\u5f88\u591a\u5c0f\u6570\u7684\u539f\u56e0\uff1a\u5728Java\u4e2d\uff0c\u5f53\u6211\u4eec\u5bf9\u4e00\u4e2afloat\u7c7b\u578b\u7684\u6570\u5b57\u4e58\u4ee55\u65f6\uff0c\u7531\u4e8e5\u4e0d\u662f2\u7684\u5e42\uff0c\u56e0\u6b64\u65e0\u6cd5\u51c6\u786e\u5730\u8868\u793a\u4e3a\u6d6e\u70b9\u6570\uff0c\u6240\u4ee5\u5728\u8ba1\u7b97\u65f6\u4f1a\u51fa\u73b0\u820d\u5165\u8bef\u5dee\u3002\u8fd9\u79cd\u820d\u5165\u8bef\u5dee\u53ef\u80fd\u4f1a\u5bfc\u81f4\u7cbe\u5ea6\u4e22\u5931\uff0c\u4ece\u800c\u51fa\u73b0\u5f88\u591a\u5c0f\u6570\u3002<\/p>\n<\/blockquote>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img fetchpriority=\"high\" alt=\"\" class=\"wp-image-27552\" decoding=\"async\" height=\"576\" sizes=\"(max-width: 1024px) 100vw, 1024px\" src=\"https:\/\/cdn-docs.pingcode.com\/wp-content\/uploads\/2023\/04\/Java\u91ccfloat\u5728\u4e58\u4ee55\u4e4b\u540e\u4e3a\u4ec0\u4e48\u4f1a\u51fa\u73b0\u5f88\u591a\u5c0f\u6570-1024x576.png?x-oss-process=image\/auto-orient,1\/format,webp\" srcset=\"https:\/\/cdn-docs.pingcode.com\/wp-content\/uploads\/2023\/04\/Java\u91ccfloat\u5728\u4e58\u4ee55\u4e4b\u540e\u4e3a\u4ec0\u4e48\u4f1a\u51fa\u73b0\u5f88\u591a\u5c0f\u6570-1024x576.png?x-oss-process=image\/auto-orient,1\/format,webp 1024w, https:\/\/cdn-docs.pingcode.com\/wp-content\/uploads\/2023\/04\/Java\u91ccfloat\u5728\u4e58\u4ee55\u4e4b\u540e\u4e3a\u4ec0\u4e48\u4f1a\u51fa\u73b0\u5f88\u591a\u5c0f\u6570-300x169.png 300w, https:\/\/cdn-docs.pingcode.com\/wp-content\/uploads\/2023\/04\/Java\u91ccfloat\u5728\u4e58\u4ee55\u4e4b\u540e\u4e3a\u4ec0\u4e48\u4f1a\u51fa\u73b0\u5f88\u591a\u5c0f\u6570-768x432.png 768w, https:\/\/cdn-docs.pingcode.com\/wp-content\/uploads\/2023\/04\/Java\u91ccfloat\u5728\u4e58\u4ee55\u4e4b\u540e\u4e3a\u4ec0\u4e48\u4f1a\u51fa\u73b0\u5f88\u591a\u5c0f\u6570-270x152.png 270w, https:\/\/cdn-docs.pingcode.com\/wp-content\/uploads\/2023\/04\/Java\u91ccfloat\u5728\u4e58\u4ee55\u4e4b\u540e\u4e3a\u4ec0\u4e48\u4f1a\u51fa\u73b0\u5f88\u591a\u5c0f\u6570-1536x865.png 1536w, https:\/\/cdn-docs.pingcode.com\/wp-content\/uploads\/2023\/04\/Java\u91ccfloat\u5728\u4e58\u4ee55\u4e4b\u540e\u4e3a\u4ec0\u4e48\u4f1a\u51fa\u73b0\u5f88\u591a\u5c0f\u6570.png 1993w\" width=\"1024\"\/><\/figure>\n<\/div>\n<h2 class=\"wp-block-heading\">\u4e00\u3001Java\u91ccfloat\u5728\u4e58\u4ee55\u4e4b\u540e\u4f1a\u51fa\u73b0\u5f88\u591a\u5c0f\u6570\u7684\u539f\u56e0<\/h2>\n<p>\u5728Java\u4e2d\uff0cfloat\u7c7b\u578b\u662f\u5355\u7cbe\u5ea6\u6d6e\u70b9\u6570\uff0c\u5b83\u752832\u4e2a\u4e8c\u8fdb\u5236\u4f4d\u6765\u8868\u793a\u4e00\u4e2a\u6d6e\u70b9\u6570\u3002\u7531\u4e8e\u4f7f\u7528\u4e86\u6709\u9650\u7684\u4f4d\u6570\u6765\u8868\u793a\u6d6e\u70b9\u6570\uff0c\u6240\u4ee5\u5728\u8fdb\u884c\u4e00\u4e9b\u590d\u6742\u7684\u8ba1\u7b97\u65f6\uff0c\u53ef\u80fd\u4f1a\u51fa\u73b0\u7cbe\u5ea6\u4e22\u5931\u7684\u95ee\u9898\u3002\u5f53\u6211\u4eec\u5bf9\u4e00\u4e2afloat\u7c7b\u578b\u7684\u6570\u5b57\u4e58\u4ee55\u65f6\uff0c\u7531\u4e8e5\u4e0d\u662f2\u7684\u5e42\uff0c\u56e0\u6b64\u65e0\u6cd5\u51c6\u786e\u5730\u8868\u793a\u4e3a\u6d6e\u70b9\u6570\uff0c\u6240\u4ee5\u5728\u8ba1\u7b97\u65f6\u4f1a\u51fa\u73b0\u820d\u5165\u8bef\u5dee\u3002\u8fd9\u79cd\u820d\u5165\u8bef\u5dee\u53ef\u80fd\u4f1a\u5bfc\u81f4\u7cbe\u5ea6\u4e22\u5931\uff0c\u4ece\u800c\u51fa\u73b0\u5f88\u591a\u5c0f\u6570\u3002<\/p>\n<p>\u4f8b\u5982\uff0c\u5c060.1f\u4e58\u4ee55\uff0c\u5728Java\u4e2d\u5b9e\u9645\u4e0a\u662f\u5bf90.10000000149011612f\u8fdb\u884c\u4e58\u6cd5\u8fd0\u7b97\uff0c\u5f97\u52300.5000000596046448f\u3002\u8fd9\u4e2a\u7ed3\u679c\u4e0e0.5\u4e0d\u5b8c\u5168\u76f8\u7b49\uff0c\u56e0\u4e3a\u5b83\u5e26\u6709\u4e00\u5b9a\u7684\u8bef\u5dee\u3002<\/p>\n<h2 class=\"wp-block-heading\">\u4e8c\u3001\u6d6e\u70b9\u6570\u7b80\u4ecb<\/h2>\n<h3 class=\"wp-block-heading\">1\u3001\u57fa\u672c\u6570\u636e\u7c7b\u578b<\/h3>\n<p>\u5173\u4e8e\u6570\u503c\uff0c\u65f6\u523b\u7262\u8bb0\u4e09\u70b9\uff1a<\/p>\n<ul>\n<li>\u6bcf\u4e2a\u57fa\u672c\u7c7b\u578b\u7684\u6570\u503c\u90fd\u662f\u6709\u8303\u56f4\u9650\u5236\u7684\uff0c\u4e0d\u662f\u65e0\u9650\u5927\u7684\u3002<\/li>\n<li>\u65e0\u8bba\u662fboolean\uff0cint\uff0cfloat\uff0cstring\uff0cstruct\uff0cobject\uff0c\u6700\u7ec8\u90fd\u5bf9\u5e94\u8ba1\u7b97\u673a\u7684\u4e00\u4e2abyte\u6216\u8005\u591a\u4e2abyte\u3002<\/li>\n<li>\u975e\u5fc5\u9700\uff0c\u4e0d\u8981\u4f7f\u7528\u6d6e\u70b9\u6570\u3002<\/li>\n<\/ul>\n<p>\u5728\u5de5\u4f5c\u4e2d\u4f1a\u7ecf\u5e38\u9047\u5230\u7684\u51e0\u4e2a\u95ee\u9898\uff1a<\/p>\n<ul>\n<li>\u8ba1\u7b97\u673a\u4e2d32\u4f4d\u7684\u6709\u7b26\u53f7\u6574\u578bint\uff0c\u5176\u6700\u5927\u503c\u5c31\u662f2147483647\uff0c\u8fd9\u4e2a\u6570\u5927\u7ea6\u662f21\u4ebf\u591a\u3002\u5982\u679c\u653e\u666e\u901a\u8ba1\u7b97\u5e94\u8be5\u90fd\u4e0d\u6210\u95ee\u9898\u3002\u4f46\u662f\uff0c\u5982\u679c\u4f60\u6570\u636e\u5e93\u8868\u7684\u4e3b\u952e\u662fint\u7c7b\u578b\uff0c\u90a3\u4f60\u5c31\u8981\u5c0f\u5fc3\u4e86\uff0c\u597d\u591a\u5927\u5382\u90fd\u5728\u8fd9\u4e2a\u6570\u636e\u7c7b\u578b\u4e0a\u9762\u683d\u8fc7\u8ddf\u5934\u3002\u56e0\u4e3a\u73b0\u5728\u4e2d\u56fd\u7f51\u6c11\u57fa\u6570\u592a\u5927\uff0c\u4e00\u5f20\u8868\u5f88\u5bb9\u6613\u4e0a\u4ebf\uff0c\u4e00\u65e6\u8d85\u8fc721\u4ebf\u591a\uff0c\u4f60\u7684\u7cfb\u7edf\u53ef\u80fd\u4f1a\u56e0\u4e3adb\u4e3b\u952e\u6ea2\u51fa\u5bfc\u81f4\u6545\u969c\u3002<\/li>\n<li>\u5728\u91d1\u878d\u884c\u4e1a\u5e94\u8be5\u6ce8\u610f\u6570\u503c\u6ea2\u51fa\u7684\u95ee\u9898\u3002\u4e24\u4e2ainteger\u76f8\u52a0\u6216\u8005\u76f8\u4e58\uff0c\u5176\u7ed3\u679c\u503c\u5f88\u6709\u53ef\u80fd\u8d85\u8fc7integer\u7684\u8868\u793a\u8303\u56f4\u3002\u5728\u91d1\u878d\u8fd9\u79cd\u5bf9\u7cbe\u786e\u5ea6\u8981\u6c42\u7279\u522b\u9ad8\u7684\u884c\u4e1a\uff0c\u8fd9\u79cd\u9519\u8bef\u66f4\u662f\u4e0d\u53ef\u5fcd\u53d7\u7684\u3002<\/li>\n<li>\u8fd4\u56de\u7ed9\u524d\u7aef\u7684json\u6570\u636e\uff0c\u5c3d\u91cf\u4e0d\u8981\u4f7f\u7528\u6570\u503c\u7c7b\u578b\u3002\u5982\u679c\u4f60\u505a\u8fc7\u524d\u7aef\u76f8\u5173\u7684\u9879\u76ee\uff0c\u4f60\u4f1a\u53d1\u73b0\uff0c\u5f53\u4f60\u4f7f\u7528json\u683c\u5f0f\u5b57\u7b26\u4e32\u7ed9\u524d\u7aef\u8fd4\u56de\u6570\u503c\u7c7b\u578b\u65f6\uff0c\u524d\u7aef\u5c55\u793a\u51fa\u6765\u7684\u6570\u5b57\u53ef\u80fd\u8ddf\u4f60\u8fd4\u56de\u7684\u6570\u5b57\u5b8c\u5168\u4e0d\u4e00\u6837\u3002\u5176\u6839\u672c\u539f\u56e0\u5c31\u662fJavascript\u7684\u6d6e\u70b9\u6570\u6ca1\u6709\u529e\u6cd5\u7cbe\u786e\u8868\u793a\u8f83\u5927\u6570\u503c\u3002<\/li>\n<\/ul>\n<h3 class=\"wp-block-heading\">2\u3001\u8ba4\u8bc6\u6d6e\u70b9\u6570\u89c4\u5f8b<\/h3>\n<p>\u5173\u4e8e\u6d6e\u70b9\u6570\u7684\u51e0\u4e2a\u89c4\u5f8b\u548c\u5efa\u8bae\uff1a<\/p>\n<ul>\n<li>Javascript\u4e2d\u7684\u6570\u5b57\u90fd\u662f\u53cc\u7cbe\u5ea6\u6d6e\u70b9\u6570\u3002<\/li>\n<li>\u5728\u6d6e\u70b9\u6570\u4e2d\uff0c0\u6709+0\u548c-0\u4e24\u79cd\u8868\u793a\u65b9\u6cd5\u3002<\/li>\n<li>\u6d6e\u70b9\u6570\u8868\u793a\u7684\u503c\u662f\u4e0d\u8fde\u7eed\u7684\uff0c\u4e0d\u5747\u5300\u7684\u3002\u8d8a\u5927\u7684\u6570\uff0c\u8d8a\u65e0\u6cd5\u7528\u6d6e\u70b9\u6570\u8868\u793a\u51fa\u6765\u3002<\/li>\n<li>\u6709\u8fd1\u4e00\u534a\u7684\u6d6e\u70b9\u6570\u6570\u503c\u5206\u5e03\u5728-1\u548c+1\u4e4b\u95f4\u3002<\/li>\n<li>\u4e0d\u8981\u7528\u6d6e\u70b9\u6570\u6765\u751f\u6210\u968f\u673a\u6570\u3002<\/li>\n<li>\u4e0d\u8981\u7528\u6d6e\u70b9\u6570\u6765\u5b58\u50a8\u6216\u8ba1\u7b97\u6709\u5173\u91d1\u94b1\u548c\u8d44\u4ea7\u65b9\u9762\u7684\u4e00\u5207\uff0c\u5305\u62ec\u5e38\u89c1\u7684\u4f1a\u5458\u79ef\u5206\u3002\u4e0d\u80fd\u7528\u6d6e\u70b9\u6570\u7528\u4e8e\u4efb\u4f55\u9700\u8981\u7cbe\u786e\u503c\u7684\u8fd0\u7b97\uff0c\u56e0\u4e3a\u6d6e\u70b9\u6570\u65e0\u6cd5\u7cbe\u786e\u7684\u8868\u793a\u6570\u5b57\uff0c\u6bd4\u5982\u8bf40.1\u5c31\u65e0\u6cd5\u7528\u6d6e\u70b9\u6570\u7cbe\u786e\u8868\u793a\u51fa\u6765\u3002<\/li>\n<\/ul>\n<h3 class=\"wp-block-heading\">3\u3001\u6d6e\u70b9\u6570\u7684\u4e8c\u8fdb\u5236\u8f6c\u6362<\/h3>\n<p>\u6d6e\u70b9\u6570\u4e8c\u8fdb\u5236\u8868\u8fbe\u7684\u4e09\u4e2a\u4e3b\u8981\u6210\u5206\u662f\uff1a<\/p>\n<ul>\n<li><strong>Sign\uff081bit\uff09<\/strong>\uff1a\u8868\u793a\u6d6e\u70b9\u6570\u662f\u6b63\u6570\u8fd8\u662f\u8d1f\u6570\u30020\u8868\u793a\u6b63\u6570\uff0c1\u8868\u793a\u8d1f\u6570\u3002<\/li>\n<li><strong>Exponent\uff088bits\uff09<\/strong>\uff1a\u6307\u6570\u90e8\u5206\u3002\u7c7b\u4f3c\u4e8e\u79d1\u5b66\u6280\u672f\u6cd5\u4e2d\u7684M*10^N\u4e2d\u7684N\uff0c\u53ea\u4e0d\u8fc7\u8fd9\u91cc\u662f\u4ee52\u4e3a\u5e95\u6570\u800c\u4e0d\u662f10\u3002\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u8fd9\u90e8\u5206\u4e2d\u662f\u4ee52^7-1\u5373127\uff0c\u4e5f\u537301111111\u4ee3\u88682^0\uff0c\u8f6c\u6362\u65f6\u9700\u8981\u6839\u636e127\u4f5c\u504f\u79fb\u8c03\u6574\u3002<\/li>\n<li><strong>Mantissa\uff0823bits\uff09<\/strong>\uff1a\u57fa\u6570\u90e8\u5206\u3002\u6d6e\u70b9\u6570\u5177\u4f53\u6570\u503c\u7684\u5b9e\u9645\u8868\u793a\u3002<\/li>\n<\/ul>\n<p><strong>\u8f6c\u6362\u8fc7\u7a0b\uff1a<\/strong><\/p>\n<ul>\n<li><strong>\u6539\u5199\u6574\u6570\u90e8\u5206<\/strong>\uff1a\u4ee5\u6570\u503c5.2\u4e3a\u4f8b\u3002\u5148\u4e0d\u8003\u8651\u6307\u6570\u90e8\u5206\uff0c\u6211\u4eec\u5148\u5355\u7eaf\u7684\u5c06\u5341\u8fdb\u5236\u6570\u6539\u5199\u6210\u4e8c\u8fdb\u5236\u3002\u6574\u6570\u90e8\u5206\u5f88\u7b80\u5355\uff0c5.\u5373101.\u3002<\/li>\n<li><strong>\u6539\u5199\u5c0f\u6570\u90e8\u5206<\/strong>\uff1a\u5c0f\u6570\u90e8\u5206\u6211\u4eec\u76f8\u5f53\u4e8e\u62c6\u6210\u662f2^-1\u4e00\u76f4\u52302^-N\u7684\u548c\u3002\u4f8b\u5982\uff1a0.2 = 0.125+0.0625+0.007825+0.00390625\uff0c\u53732^-3+2^-4+2^-7+2^-8\u2026.\uff0c\u4e5f\u5373.00110011001100110011\u3002<\/li>\n<li><strong>\u89c4\u683c\u5316<\/strong>\uff1a\u73b0\u5728\u6211\u4eec\u5df2\u7ecf\u6709\u4e86\u8fd9\u4e48\u4e00\u4e32\u4e8c\u8fdb\u5236101.00110011001100110011\u3002\u7136\u540e\u6211\u4eec\u8981\u5c06\u5b83\u89c4\u683c\u5316\uff0c\u4e5f\u53ebNormalize\u3002\u5176\u5b9e\u539f\u7406\u5f88\u7b80\u5355\u5c31\u662f\u4fdd\u8bc1\u5c0f\u6570\u70b9\u524d\u53ea\u6709\u4e00\u4e2abit\u3002\u4e8e\u662f\u6211\u4eec\u5c31\u5f97\u5230\u4e86\u4ee5\u4e0b\u8868\u793a\uff1a1.0100110011001100110011 * 2^2\u3002\u5230\u6b64\u4e3a\u6b62\u6211\u4eec\u5df2\u7ecf\u628a\u6539\u5199\u5de5\u4f5c\u5b8c\u6210\uff0c\u63a5\u4e0b\u6765\u5c31\u662f\u8981\u628abit\u586b\u5145\u5230\u4e09\u4e2a\u7ec4\u6210\u90e8\u5206\u4e2d\u53bb\u4e86\u3002<\/li>\n<li><strong>\u586b\u5145<\/strong>\uff1a<strong>\u6307\u6570\u90e8\u5206\uff08Exponent\uff09<\/strong>\uff1a\u4e4b\u524d\u8bf4\u8fc7\u9700\u8981\u4ee5127\u4f5c\u4e3a\u504f\u79fb\u91cf\u8c03\u6574\u3002\u56e0\u6b642\u76842\u6b21\u65b9\uff0c\u6307\u6570\u90e8\u5206\u504f\u79fb\u62102+127\u5373129\uff0c\u8868\u793a\u621010000001\u586b\u5165\u3002<strong>\u6574\u6570\u90e8\u5206\uff08Mantissa\uff09<\/strong>\uff1a\u9664\u4e86\u7b80\u5355\u7684\u586b\u5165\u5916\uff0c\u9700\u8981\u7279\u522b\u89e3\u91ca\u7684\u5730\u65b9\u662f1.010011\u4e2d\u7684\u6574\u6570\u90e8\u52061\u5728\u586b\u5145\u65f6\u88ab\u820d\u53bb\u4e86\u3002\u56e0\u4e3a\u89c4\u683c\u5316\u540e\u7684\u6570\u503c\u6574\u90e8\u90e8\u5206\u603b\u662f\u4e3a1\u3002\u90a3\u5927\u5bb6\u53ef\u80fd\u6709\u7591\u95ee\u4e86\uff0c\u7701\u7565\u6574\u6570\u90e8\u5206\u540e\u5c82\u4e0d\u662f1.010011\u548c0.010011\u5c31\u6df7\u6dc6\u4e86\u4e48\uff1f\u5176\u5b9e\u5e76\u4e0d\u4f1a\uff0c\u5982\u679c\u4f60\u4ed4\u7ec6\u770b\u4e0b\u540e\u8005\uff0c\u4f1a\u53d1\u73b0\u4ed6\u5e76\u4e0d\u662f\u4e00\u4e2a\u89c4\u683c\u5316\u7684\u4e8c\u8fdb\u5236\uff0c\u53ef\u4ee5\u6539\u5199\u62101.0011 * 2^-2\u3002\u6240\u4ee5\u7701\u7565\u5c0f\u6570\u70b9\u524d\u7684\u4e00\u4e2abit\u4e0d\u4f1a\u9020\u6210\u4efb\u4f55\u4e24\u4e2a\u6d6e\u70b9\u6570\u7684\u6df7\u6dc6\u3002<\/li>\n<\/ul>\n<p><strong><em>\u5ef6\u4f38\u9605\u8bfb1\uff1a\u4ec0\u4e48\u662fDenormalized Number<\/em><\/strong><\/p>\n<p>\u4e86\u89e3\u5b8c\u6d6e\u70b9\u6570\u7684\u8868\u8fbe\u4ee5\u540e\uff0c\u4e0d\u96be\u770b\u51fa\u6d6e\u70b9\u6570\u7684\u7cbe\u5ea6\u548c\u6307\u6570\u8303\u56f4\u6709\u5f88\u5927\u5173\u7cfb\u3002\u6700\u4f4e\u4e0d\u80fd\u4f4e\u8fc72^-7-1\u8f83\u9ad8\u4e0d\u80fd\u9ad8\u8fc72^8-1\uff08\u5176\u4e2d\u5254\u9664\u4e86\u6307\u6570\u90e8\u5206\u51680\u559d\u51681\u7684\u7279\u6b8a\u60c5\u51b5\uff09\u3002\u90a3\u4e48\u5f53\u6211\u4eec\u8981\u8868\u793a\u4e00\u4e2a\u4f8b\u5982\uff1a1.00001111*2^-7\u8fd9\u6837\u7684\u8d85\u5c0f\u6570\u503c\u7684\u65f6\u5019\u5c31\u65e0\u6cd5\u7528\u89c4\u683c\u5316\u6570\u503c\u8868\u793a\uff0c\u53ea\u80fd\u75280\u6765\u4ee3\u66ff\u3002\u90a3\u4e48\uff0c\u8fd9\u6837\u505a\u6709\u4ec0\u4e48\u95ee\u9898\u5462\uff1f\u6700\u5bb9\u6613\u7406\u89e3\u7684\u4e00\u79cd\u526f\u4f5c\u7528\u5c31\u662f\uff1a\u5f53\u591a\u6b21\u505a\u4f4e\u7cbe\u5ea6\u6d6e\u70b9\u6570\u820d\u5f03\u7684\u65f6\u5019\uff0c\u5c31\u4f1a\u51fa\u73b0\u9664\u6570\u4e3a0\u7684exception\uff0c\u5bfc\u81f4\u5f02\u5e38\u3002\u4e8e\u662f\u4e4e\u5c31\u51fa\u73b0\u4e86<strong>Denormalized Number\uff08\u540e\u79f0\u975e\u89c4\u683c\u5316\u6d6e\u70b9\uff09<\/strong>\u3002\u4ed6\u548c\u89c4\u683c\u6d6e\u70b9\u7684\u533a\u522b\u5728\u4e8e\uff0c\u89c4\u683c\u6d6e\u70b9\u7ea6\u5b9a\u5c0f\u6570\u70b9\u524d\u4e00\u4f4d\u9ed8\u8ba4\u662f1\u3002\u800c\u975e\u89c4\u683c\u6d6e\u70b9\u7ea6\u5b9a\u5c0f\u6570\u70b9\u524d\u4e00\u4f4d\u53ef\u4ee5\u4e3a0\uff0c\u8fd9\u6837\u5c0f\u6570\u7cbe\u5ea6\u5c31\u76f8\u5f53\u4e8e\u591a\u4e86\u975e\u5e38\u591a2^22\u8303\u56f4\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"Java\u91ccfloat\u5728\u4e58\u4ee55\u4e4b\u540e\u4f1a\u51fa\u73b0\u5f88\u591a\u5c0f\u6570\u7684\u539f\u56e0\uff1a\u5728Java\u4e2d\uff0c\u5f53\u6211\u4eec\u5bf9\u4e00\u4e2afloat\u7c7b\u578b\u7684\u6570\u5b57\u4e58\u4ee55\u65f6\uff0c [&hellip;]","protected":false},"author":1,"featured_media":27552,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[37],"tags":[367],"acf":[],"_links":{"self":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/27549"}],"collection":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/comments?post=27549"}],"version-history":[{"count":0,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/27549\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/27552"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=27549"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=27549"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=27549"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}