{"id":1206,"date":"2024-03-29T07:05:47","date_gmt":"2024-03-28T23:05:47","guid":{"rendered":"https:\/\/wp.minicoda.com\/?p=1206"},"modified":"2024-11-19T17:02:59","modified_gmt":"2024-11-19T09:02:59","slug":"%e4%b8%8d%e5%90%8c%e7%9a%84%e6%b5%ae%e7%82%b9%e6%95%b0%e7%b1%bb%e5%9e%8b","status":"publish","type":"post","link":"https:\/\/wp.minicoda.com\/index.php\/%e4%b8%8d%e5%90%8c%e7%9a%84%e6%b5%ae%e7%82%b9%e6%95%b0%e7%b1%bb%e5%9e%8b\/","title":{"rendered":"\u4e0d\u540c\u7684\u6d6e\u70b9\u6570\u7c7b\u578b"},"content":{"rendered":"\n<p>    \u5c3d\u7ba14\u5b57\u8282\u7684\u6d6e\u70b9\u6570\u53ef\u8868\u8fbe\u76f8\u5f53\u5927\u7684\u6570\u503c\uff0c\u4f46\u5bf9\u4e8e\u4eba\u7c7b\u800c\u8a00\uff0c\u603b\u4e0d\u591f\u7528\u3002\u4e00\u822c\u800c\u8a00\uff0c\u6d6e\u70b9\u6570\u67093\u79cd\u7c7b\u578b\uff0c\u5355\u7cbe\u5ea6\u7684float\u548c\u53cc\u7cbe\u5ea6\u7684double\u4ee5\u53ca\u66f4\u957f\u7684long double, \u53ef\u53c2\u8003\uff1a<a href=\"https:\/\/wp.minicoda.com\/index.php\/2023\/10\/06\/%e6%95%b0%e6%8d%ae%e7%b1%bb%e5%9e%8b%e5%a4%a7%e5%b0%8f\/\">\u6570\u636e\u7c7b\u578b\u5927\u5c0f<\/a><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u4e0d\u540c\u8bed\u8a00\u7684\u6d6e\u70b9\u6570\u7c7b\u578b<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>C\/ObjC\/C++: float \/ double \/ long double<\/li>\n\n\n\n<li>\u4ed3\u9889\uff1aFloat16 \/ Float32 \/ Float64<\/li>\n\n\n\n<li>C#: float double decimal<\/li>\n\n\n\n<li>Pascal: real single double extended comp<\/li>\n\n\n\n<li><span style=\"color: rgb(26, 32, 41); font-family: -apple-system, BlinkMacSystemFont, &quot;Segoe UI&quot;, &quot;Noto Sans&quot;, Helvetica, Arial, sans-serif, &quot;Apple Color Emoji&quot;, &quot;Segoe UI Emoji&quot;; font-size: 15px; white-space-collapse: collapse;\">\u5728PHP 4\u4e4b\u524d\uff0c\u6d6e\u70b9\u6570\u7c7b\u578b\u88ab\u6807\u8bc6\u4e3a<\/span><code style=\"padding: 0.2em 0.4em; border: 0px; font-size: 12.75px; vertical-align: baseline; font-family: ui-monospace, SFMono-Regular, &quot;SF Mono&quot;, Menlo, Consolas, &quot;Liberation Mono&quot;, monospace; white-space-collapse: break-spaces; border-radius: 6px; color: rgb(26, 32, 41);\">double<\/code><span style=\"color: rgb(26, 32, 41); font-family: -apple-system, BlinkMacSystemFont, &quot;Segoe UI&quot;, &quot;Noto Sans&quot;, Helvetica, Arial, sans-serif, &quot;Apple Color Emoji&quot;, &quot;Segoe UI Emoji&quot;; font-size: 15px; white-space-collapse: collapse;\">\uff0c<\/span><code style=\"padding: 0.2em 0.4em; border: 0px; font-size: 12.75px; vertical-align: baseline; font-family: ui-monospace, SFMono-Regular, &quot;SF Mono&quot;, Menlo, Consolas, &quot;Liberation Mono&quot;, monospace; white-space-collapse: break-spaces; border-radius: 6px; color: rgb(26, 32, 41);\">float<\/code><span style=\"color: rgb(26, 32, 41); font-family: -apple-system, BlinkMacSystemFont, &quot;Segoe UI&quot;, &quot;Noto Sans&quot;, Helvetica, Arial, sans-serif, &quot;Apple Color Emoji&quot;, &quot;Segoe UI Emoji&quot;; font-size: 15px; white-space-collapse: collapse;\">\u548c<\/span><code style=\"padding: 0.2em 0.4em; border: 0px; font-size: 12.75px; vertical-align: baseline; font-family: ui-monospace, SFMono-Regular, &quot;SF Mono&quot;, Menlo, Consolas, &quot;Liberation Mono&quot;, monospace; white-space-collapse: break-spaces; border-radius: 6px; color: rgb(26, 32, 41);\">double<\/code><span style=\"color: rgb(26, 32, 41); font-family: -apple-system, BlinkMacSystemFont, &quot;Segoe UI&quot;, &quot;Noto Sans&quot;, Helvetica, Arial, sans-serif, &quot;Apple Color Emoji&quot;, &quot;Segoe UI Emoji&quot;; font-size: 15px; white-space-collapse: collapse;\">\u5728PHP\u4e2d\u662f\u540c\u4e49\u8bcd\uff0c\u90fd\u4ee3\u8868\u53cc\u7cbe\u5ea6\u6d6e\u70b9\u6570\u3002<\/span>PHP4\u4e4b\u540e\uff0cfloat\u662f\u5355\u7cbe\u5ea6\uff0cdouble\u662f\u53cc\u7cbe\u5ea6\uff0c\u4e0d\u8fc7\u4e8c\u8005\u7ecf\u5e38\u53ef\u4ee5\u4e92\u6362\u3002<\/li>\n\n\n\n<li>Kotlin: Float\u548cDouble<\/li>\n\n\n\n<li>VB: Single Double<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u6d6e\u70b9\u6570\u5f62\u5f0f<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5341\u8fdb\u5236\u5f62\u5f0f\uff1a \u4f8b\u598212.34\n<ul class=\"wp-block-list\">\n<li>C\/ObjC\/C++\/\u4ed3\u9889\/C#\/Java\/Pascal\/PHP\/Kotlin\/VB \u7b49<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u6307\u6570\u5f62\u5f0f\uff1a1.5E2 \uff08\u683c\u5f0faEb\uff0ca\u548cb\u90fd\u662f\u5341\u8fdb\u5236\u6570\uff0ca\u53ef\u5305\u542b\u5c0f\u6570\u70b9\uff09\n<ul class=\"wp-block-list\">\n<li>C\/ObjC\/C++\/\u4ed3\u9889\/C#\/Java\/Pascal\/PHP\/Kotlin\/VB \u7b49<\/li>\n\n\n\n<li>\u6ce8\u610f\uff0cVB\u8bed\u8a00\u7528E\/e\u8868\u793a\u6307\u6570\u662fSingle\u7c7b\u578b\uff0c\u7528D\/d\u8868\u793aDouble\u7c7b\u578b\u7684\u6307\u6570\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p>    \u7279\u522b\u7684\uff0cPascal\u4e0d\u5141\u8bb81.\u6216\u8005.2E5\u8fd9\u79cd\u5f62\u5f0f\uff0c\u5c0f\u6570\u70b9\u524d\u540e\u5fc5\u987b\u6709\u6570\u5b57\u3002\u8fd9\u4e0e\u666e\u901aC\u8bed\u8a00\u6709\u5dee\u5f02\u3002<\/p>\n\n\n\n<p><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u6d6e\u70b9\u6570\u7c7b\u578b\u7684\u5dee\u5f02<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>C\u8bed\u8a00\u4e3a\u4e86\u533a\u5206float\u548cdouble, \u8f93\u5165\u65f6\u7528%f\u4ee3\u8868float, %lf\u4ee3\u8868double, \u4f46\u5bf9\u4e8e\u8f93\u51fa%f\u548c%lf\u4f5c\u7528\u76f8\u540c\u3002<\/li>\n\n\n\n<li>C99\u5f15\u5165\u4e86long double (%Lf), \u6ce8\u610f\u5e76\u4e0d\u610f\u5473long double\u4e00\u5b9a\u6bd4double\u8981\u957f\uff0c\u6839\u636e\u7f16\u8bd1\u5668\u9009\u62e9\u3002<\/li>\n\n\n\n<li>C# float\u7528f\u6216\u8005F\u540e\u7f00\uff0cdouble\u7528d\u6216\u8005D\u540e\u7f00\u3002<\/li>\n\n\n\n<li>Kotlin float\u7c7b\u578b\u9700\u8981\u7528f\u6216\u8005F\u540e\u7f00\uff0cdouble\u7c7b\u578b<strong>\u4e0d\u5141\u8bb8<\/strong>\u52a0d\u6216\u8005D\u540e\u7f00\u3002<\/li>\n<\/ul>\n\n\n\n<p><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u6d6e\u70b9\u6570\u5b57\u9762\u91cf\u533a\u5206\u5355\u7cbe\u5ea6\u6216\u53cc\u7cbe\u5ea6<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>C\/ObjC\/C++\/Kotlin:  \u6d6e\u70b9\u6570\u540e\u7f00f\u6216F\u4ee3\u8868\u5355\u7cbe\u5ea6float\uff0c\u4e0d\u52a0\u9ed8\u8ba4\u662fdouble.<\/li>\n\n\n\n<li>\u4ed3\u9889\uff1af16 \/ f32 \/ f64\u540e\u7f00\u533a\u5206\u4e09\u79cd\u6d6e\u70b9\u6570\u3002<\/li>\n<\/ul>\n\n\n\n<p><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u6d6e\u70b9\u6570\u9ed8\u8ba4\u8f6c\u6362<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>C\u8bed\u8a00\u4e2dfloat\u7c7b\u578b\u662f\u9ed8\u8ba4\u8f6c\u6362\u6210double\u53bb\u5904\u7406\uff0c\u5982\u4e0b\u56fe\u6240\u793a\u3002<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"515\" height=\"137\" src=\"https:\/\/wp.minicoda.com\/wp-content\/uploads\/2023\/10\/image-3.png\" alt=\"\" class=\"wp-image-235\" srcset=\"https:\/\/wp.minicoda.com\/wp-content\/uploads\/2023\/10\/image-3.png 515w, https:\/\/wp.minicoda.com\/wp-content\/uploads\/2023\/10\/image-3-300x80.png 300w\" sizes=\"auto, (max-width: 515px) 100vw, 515px\" \/><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u6d6e\u70b9\u6570\u683c\u5f0f\u4e32<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>C\/ObjC\/C++ %f\u4ee3\u8868\u57fa\u672c\u6d6e\u70b9\u6570\u7c7b\u578b\uff0c%e\u662f\u79d1\u5b66\u8ba1\u6570\u6cd5\u683c\u5f0f\uff0c%g\u662f\u7b80\u77ed\u6a21\u5f0f\u3002<\/li>\n<\/ul>\n\n\n\n<p><\/p>\n\n\n\n<p><a href=\"https:\/\/wp.minicoda.com\/index.php\/c%e8%af%ad%e8%a8%80%e6%98%af%e5%a6%82%e4%bd%95%e5%8c%ba%e5%88%86%e5%bc%80f%e5%92%8clf%e7%9a%84\/\">C\u8bed\u8a00\u662f\u5982\u4f55\u533a\u5206\u5f00%f\u548c%lf\u7684?<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5c3d\u7ba14\u5b57\u8282\u7684\u6d6e\u70b9\u6570\u53ef\u8868\u8fbe\u76f8\u5f53\u5927\u7684\u6570\u503c\uff0c\u4f46\u5bf9\u4e8e\u4eba\u7c7b\u800c\u8a00\uff0c\u603b\u4e0d\u591f\u7528\u3002\u4e00\u822c\u800c\u8a00\uff0c\u6d6e\u70b9\u6570\u67093\u79cd\u7c7b\u578b\uff0c\u5355\u7cbe\u5ea6\u7684float\u548c\u53cc\u7cbe\u5ea6\u7684double\u4ee5\u53ca\u66f4\u957f\u7684long double, \u53ef\u53c2\u8003\uff1a\u6570\u636e\u7c7b\u578b\u5927\u5c0f \u4e0d\u540c\u8bed\u8a00\u7684&#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[299],"tags":[],"class_list":["post-1206","post","type-post","status-publish","format-standard","hentry","category-think"],"views":93,"_links":{"self":[{"href":"https:\/\/wp.minicoda.com\/index.php\/wp-json\/wp\/v2\/posts\/1206","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/wp.minicoda.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/wp.minicoda.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/wp.minicoda.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/wp.minicoda.com\/index.php\/wp-json\/wp\/v2\/comments?post=1206"}],"version-history":[{"count":21,"href":"https:\/\/wp.minicoda.com\/index.php\/wp-json\/wp\/v2\/posts\/1206\/revisions"}],"predecessor-version":[{"id":3440,"href":"https:\/\/wp.minicoda.com\/index.php\/wp-json\/wp\/v2\/posts\/1206\/revisions\/3440"}],"wp:attachment":[{"href":"https:\/\/wp.minicoda.com\/index.php\/wp-json\/wp\/v2\/media?parent=1206"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/wp.minicoda.com\/index.php\/wp-json\/wp\/v2\/categories?post=1206"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/wp.minicoda.com\/index.php\/wp-json\/wp\/v2\/tags?post=1206"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}