{"id":124834,"date":"2024-03-24T16:40:34","date_gmt":"2024-03-24T07:40:34","guid":{"rendered":"https:\/\/www.silicloud.com\/ja\/blog\/c%ef%bc%83decimal-round-%e3%83%a1%e3%82%bd%e3%83%83%e3%83%89%e3%81%ae%e5%ae%9f%e4%be%8b%e8%a7%a3%e8%aa%ac\/"},"modified":"2024-03-28T04:53:08","modified_gmt":"2024-03-27T19:53:08","slug":"c%ef%bc%83decimal-round-%e3%83%a1%e3%82%bd%e3%83%83%e3%83%89%e3%81%ae%e5%ae%9f%e4%be%8b%e8%a7%a3%e8%aa%ac","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/ja\/blog\/c%ef%bc%83decimal-round-%e3%83%a1%e3%82%bd%e3%83%83%e3%83%89%e3%81%ae%e5%ae%9f%e4%be%8b%e8%a7%a3%e8%aa%ac\/","title":{"rendered":"C\uff03Decimal.Round() \u30e1\u30bd\u30c3\u30c9\u306e\u5b9f\u4f8b\u89e3\u8aac"},"content":{"rendered":"

Decimal.Round()\u30e1\u30bd\u30c3\u30c9\u306f\u3001C#\u3067decimal\u578b\u306e\u5024\u3092\u4e38\u3081\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u308b\u30e1\u30bd\u30c3\u30c9\u3067\u3059\u3002\u69cb\u6587\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n

public static decimal(10\u9032\u6570) Round(decimal(10\u9032\u6570) d)<\/p>\n

public static decimal Round(decimal d, int \u5c0f\u6570\u70b9\u4ee5\u4e0b\u6841\u6570)<\/p>\n

public static decimal Round(decimal d, MidpointRounding \u30e2\u30fc\u30c9)<\/p>\n

\u516c\u958b\u9759\u768410\u9032\u6570 Round(10\u9032\u6570 d, \u6574\u6570 decimal, MidpointRounding \u30e2\u30fc\u30c9)<\/p>\n

\u3053\u3053\u3067\u3001d\u306f\u56db\u6368\u4e94\u5165\u3059\u308b10\u9032\u6570\u5024\u3001decimals\u306f\u4fdd\u6301\u3059\u308b\u5c0f\u6570\u70b9\u4ee5\u4e0b\u306e\u6841\u6570\u3001mode\u306f\u56db\u6368\u4e94\u5165\u306e\u65b9\u6cd5\u3092\u8868\u3057\u307e\u3059\u3002<\/p>\n

\u4ee5\u4e0b\u306b\u3001Decimal.Round() \u30e1\u30bd\u30c3\u30c9\u306e\u4f7f\u7528\u65b9\u6cd5\u3092\u793a\u3059\u30b5\u30f3\u30d7\u30eb\u3092\u3044\u304f\u3064\u304b\u793a\u3057\u307e\u3059\u3002<\/p>\n

    \n
  1. \u5c0f\u6570\u70b9\u4ee5\u4e0b\u5207\u308a\u6368\u3066\u3067\u6574\u6570\u306b\u3059\u308b<\/li>\n<\/ol>\n

    \u5341\u9032\u6570=3.7 m<\/p>\n

    double roundedNumber = Math.Round(number);<\/p>\n

    Console.WriteLine(roundedNumber); \/\/ \u51fa\u529b: 4<\/p>\n

      \n
    1. \u6307\u5b9a\u306e\u5c0f\u6570\u4f4d\u6570\u306b\u56db\u6368\u4e94\u5165\u3059\u308b<\/li>\n<\/ol>\n

      \u5c0f\u6570 = 3.745m;<\/p>\n

      roundedNumber = Decimal.Round(number, 2);<\/p>\n

      Console.WriteLine(roundedNumber); \/\/ \u51fa\u529b: 3.75<\/p>\n

        \n
      1. \u6307\u5b9a\u3057\u305f\u4e38\u3081\u65b9\u6cd5\u3092\u4f7f\u7528 :<\/li>\n<\/ol>\n

        \u5c11\u6570 =3.5 m;<\/p>\n

        roundedNumber = Decimal.Round(number, MidpointRounding.AwayFromZero);<\/p>\n

        Console.WriteLine(roundedNumber); \/\/ \u51fa\u529b:4<\/p>\n

          \n
        1. \u6307\u5b9a\u3055\u308c\u305f\u5c0f\u6570\u70b9\u4ee5\u4e0b\u306e\u6841\u6570\u3068\u4e38\u3081\u65b9\u6cd5\u3092\u7d44\u307f\u5408\u308f\u305b\u3066<\/li>\n<\/ol>\n

          10\u9032\u6570\u306f3.745m\u3067\u3059\u3002<\/p>\n

          roundedNumber = Decimal.Round(number, 2, MidpointRounding.ToEven);<\/p>\n

          Console.WriteLine(roundedNumber); \/\/ \u51fa\u529b: 3.74<\/p>\n

          \u672c\u4f8b\u3067\u306f\u3001Decimal\u578b\u306e\u6570\u5024\u3092\u4e38\u3081\u3001\u7570\u306a\u308b\u6709\u52b9\u6841\u6570\u3068\u4e38\u3081\u65b9\u3092\u9069\u7528\u3057\u3066\u3044\u307e\u3059\u3002Decimal.Round()\u30e1\u30bd\u30c3\u30c9\u3067\u306f\u3001\u3055\u307e\u3056\u307e\u306a\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u306b\u57fa\u3065\u304d\u3001\u591a\u69d8\u306a\u4e38\u3081\u8981\u4ef6\u3092\u5b9f\u73fe\u3067\u304d\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

          Decimal.Round()\u30e1\u30bd\u30c3\u30c9\u306f\u3001C#\u3067decimal\u578b\u306e\u5024\u3092\u4e38\u3081\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u308b\u30e1\u30bd\u30c3\u30c9\u3067\u3059\u3002\u69cb\u6587\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002 public static decimal(10\u9032\u6570) Round(decimal(10\u9032 […]<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-124834","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"\nC\uff03Decimal.Round() \u30e1\u30bd\u30c3\u30c9\u306e\u5b9f\u4f8b\u89e3\u8aac - Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/ja\/blog\/c\uff03decimal-round-\u30e1\u30bd\u30c3\u30c9\u306e\u5b9f\u4f8b\u89e3\u8aac\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"C\uff03Decimal.Round() \u30e1\u30bd\u30c3\u30c9\u306e\u5b9f\u4f8b\u89e3\u8aac\" \/>\n<meta property=\"og:description\" content=\"Decimal.Round()\u30e1\u30bd\u30c3\u30c9\u306f\u3001C#\u3067decimal\u578b\u306e\u5024\u3092\u4e38\u3081\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u308b\u30e1\u30bd\u30c3\u30c9\u3067\u3059\u3002\u69cb\u6587\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002 public static decimal(10\u9032\u6570) Round(decimal(10\u9032 […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/ja\/blog\/c\uff03decimal-round-\u30e1\u30bd\u30c3\u30c9\u306e\u5b9f\u4f8b\u89e3\u8aac\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - 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