{"id":5202,"date":"2013-03-19T01:07:34","date_gmt":"2013-03-18T16:07:34","guid":{"rendered":"http:\/\/rentan.org\/blog\/?p=5202"},"modified":"2013-03-19T05:26:45","modified_gmt":"2013-03-18T20:26:45","slug":"dmonkey-math-round","status":"publish","type":"post","link":"https:\/\/rentan.org\/blog\/2013\/03\/19\/dmonkey-math-round\/","title":{"rendered":"DMonkey: Math.round()"},"content":{"rendered":"<p>JavaScript \u3068 DMonkey \u306b\u304a\u3051\u308b Math.round() \u306e\u52d5\u4f5c\u306e\u9055\u3044\u3002<\/p>\n<ul>\n<li><a href=\"http:\/\/msdn.microsoft.com\/ja-jp\/library\/ie\/5cza0web(v=vs.94).aspx\">Math.round \u95a2\u6570 (JavaScript)<\/a> | MSDN<\/li>\n<li><a href=\"https:\/\/developer.mozilla.org\/ja\/docs\/JavaScript\/Reference\/Global_Objects\/Math\/round\">Math.round - JavaScript | MDN<\/a><\/li>\n<\/ul>\n<p>JavaScript \u2026\u2026 round half up<\/p>\n<ul>\n<li>\u5c0f\u6570\u90e8\u5206\u304c 0.5 \u3088\u308a\u5927\u304d\u3051\u308c\u3070\u3001\u6b21\u306b\u5927\u304d\u3044\u6574\u6570\u3002<\/li>\n<li>\u5c0f\u6570\u90e8\u5206\u304c 0.5 \u306a\u3089\u3001\u6b21\u306b\u5927\u304d\u3044\u6574\u6570(\u2191\u3068\u540c\u3058)\u3002<\/li>\n<li>\u5c0f\u6570\u90e8\u5206\u304c 0.5 \u3088\u308a\u5c0f\u3055\u3051\u308c\u3070\u3001\u6b21\u306b\u5c0f\u3055\u3044\u6574\u6570\u3002<\/li>\n<\/ul>\n<p>DMonkey \u2026\u2026 round half to even<\/p>\n<ul>\n<li>\u5c0f\u6570\u90e8\u5206\u304c 0.5 \u3088\u308a\u5927\u304d\u3051\u308c\u3070\u3001\u6b21\u306b\u5927\u304d\u3044\u6574\u6570\u3002<\/li>\n<li>\u5c0f\u6570\u90e8\u5206\u304c 0.5 \u306a\u3089\u3001<span style=\"text-decoration:underline;\">\u6700\u8fd1\u63a5\u5076\u6570\u3078\u306e\u4e38\u3081<\/span>\u3002<\/li>\n<li>\u5c0f\u6570\u90e8\u5206\u304c 0.5 \u3088\u308a\u5c0f\u3055\u3051\u308c\u3070\u3001\u6b21\u306b\u5c0f\u3055\u3044\u6574\u6570\u3002<\/li>\n<\/ul>\n<pre class=\"prog_code javascript\">\r\n<code>function r (n) {\r\n  alert ('Math.round (' + n + ') == ' + Math.round (n));\r\n}\r\n\r\nr (-2.5);   \/\/ -2\r\nr (-1.5);   \/\/ -2\r\nr (-0.5);   \/\/ 0\r\nr (+0.5);   \/\/ 0\r\nr (+1.5);   \/\/ 2\r\nr (+2.5);   \/\/ 2<\/code>\r\n<\/pre>\n<p>\u95a2\u9023: <a href=\"http:\/\/rentan.org\/blog\/2012\/04\/02\/dmonkey-global-parseint\/\">DMonkey: Global.parseInt()<\/a><\/p>\n<p>Global.parseInt() \u306b number \u578b\u3092\u6e21\u3057\u305f\u6642\u3082\u540c\u3058\u4e38\u3081\u65b9\u306b\u306a\u308a\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u6319\u52d5\u306f Delphi \u306e System.Round() \u3092\u898f\u5b9a\u306e\u4e38\u3081\u30e2\u30fc\u30c9(<code>rmNearest<\/code>)\u3067\u547c\u3073\u51fa\u3057\u3066\u3044\u308b\u305f\u3081\u3068\u601d\u308f\u308c\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>JavaScript \u3068 DMonkey \u306b\u304a\u3051\u308b Math.round() \u306e\u52d5\u4f5c\u306e\u9055\u3044\u3002 Math.round \u95a2\u6570 (JavaScript) | MSDN Math.round - JavaScript | MDN [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[640],"tags":[1191],"class_list":["post-5202","post","type-post","status-publish","format-standard","hentry","category-irvine","tag-dmonkey"],"_links":{"self":[{"href":"https:\/\/rentan.org\/blog\/wp-json\/wp\/v2\/posts\/5202","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/rentan.org\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/rentan.org\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/rentan.org\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/rentan.org\/blog\/wp-json\/wp\/v2\/comments?post=5202"}],"version-history":[{"count":9,"href":"https:\/\/rentan.org\/blog\/wp-json\/wp\/v2\/posts\/5202\/revisions"}],"predecessor-version":[{"id":5209,"href":"https:\/\/rentan.org\/blog\/wp-json\/wp\/v2\/posts\/5202\/revisions\/5209"}],"wp:attachment":[{"href":"https:\/\/rentan.org\/blog\/wp-json\/wp\/v2\/media?parent=5202"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/rentan.org\/blog\/wp-json\/wp\/v2\/categories?post=5202"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/rentan.org\/blog\/wp-json\/wp\/v2\/tags?post=5202"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}