{"id":124836,"date":"2024-03-24T16:40:56","date_gmt":"2024-03-24T07:40:56","guid":{"rendered":"https:\/\/www.silicloud.com\/ja\/blog\/c%ef%bc%83%e3%81%ae%e5%9b%9b%e6%8d%a8%e4%ba%94%e5%85%a5%e3%81%ae4%e3%81%a4%e3%81%ae%e6%96%b9%e6%b3%95\/"},"modified":"2024-03-27T19:53:49","modified_gmt":"2024-03-27T10:53:49","slug":"c%ef%bc%83%e3%81%ae%e5%9b%9b%e6%8d%a8%e4%ba%94%e5%85%a5%e3%81%ae4%e3%81%a4%e3%81%ae%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/ja\/blog\/c%ef%bc%83%e3%81%ae%e5%9b%9b%e6%8d%a8%e4%ba%94%e5%85%a5%e3%81%ae4%e3%81%a4%e3%81%ae%e6%96%b9%e6%b3%95\/","title":{"rendered":"C\uff03\u306e\u56db\u6368\u4e94\u5165\u306e4\u3064\u306e\u65b9\u6cd5"},"content":{"rendered":"

C# \u8a00\u8a9e\u306b\u306f\u3001\u56db\u6368\u4e94\u5165\u3092\u884c\u3046\u65b9\u6cd5\u304c\u3044\u304f\u3064\u304b\u3042\u308a\u307e\u3059\u3002\u4ee5\u4e0b\u306f\u3001\u4e00\u822c\u7684\u306b\u4f7f\u7528\u3055\u308c\u308b 4 \u3064\u306e\u65b9\u6cd5\u3067\u3059\u3002<\/p>\n

    \n
  1. Math.Round() \u95a2\u6570\u3092\u4f7f\u7528\u3057\u3066\u3001\u6307\u5b9a\u3055\u308c\u305f\u5c0f\u6570\u6841\u306b\u4e38\u3081\u307e\u3059\u3002\u4e38\u3081\u65b9\u306f\u3001\u5f15\u6570\u3067\u6307\u5b9a\u3067\u304d\u307e\u3059\u3002<\/li>\n<\/ol>\n
    double<\/span> number = 3.7<\/span>;\r\nint<\/span> roundedNumber = (int<\/span>)Math.Round(number);\r\nConsole.WriteLine(roundedNumber);  \/\/ \u8f93\u51fa 4<\/span>\r\n<\/code><\/pre>\n
      \n
    1. \u5c0f\u6570\u70b9\u4ee5\u4e0b\u3092\u56db\u6368\u4e94\u5165\u3059\u308b\u305f\u3081\u306e Math.Floor() \u3068 Math.Ceiling() \u95a2\u6570: Math.Floor() \u95a2\u6570\u306f\u6d6e\u52d5\u5c0f\u6570\u70b9\u6570\u3092\u5207\u308a\u6368\u3066\u3001Math.Ceiling() \u95a2\u6570\u306f\u6d6e\u52d5\u5c0f\u6570\u70b9\u6570\u3092\u5207\u308a\u4e0a\u3052\u307e\u3059\u3002<\/li>\n<\/ol>\n
      double<\/span> number = 3.7<\/span>;\r\nint<\/span> roundedNumber = (int<\/span>)Math.Floor(number + 0.5<\/span>);\r\nConsole.WriteLine(roundedNumber);  \/\/ \u8f93\u51fa 4<\/span>\r\n<\/code><\/pre>\n
        \n
      1. \u72ec\u81ea\u306e\u95a2\u6570\u3092\u8a18\u8ff0\u3059\u308b\u3053\u3068\u3067\u3001\u56db\u6368\u4e94\u5165\u3092\u5b9f\u73fe\u3067\u304d\u307e\u3059\u3002\u4f8b\u3048\u3070\uff1a<\/li>\n<\/ol>\n
        double<\/span> number = 3.7<\/span>;\r\nint<\/span> roundedNumber = Round(number);\r\nConsole.WriteLine(roundedNumber);  \/\/ \u8f93\u51fa 4<\/span>\r\npublic<\/span> static<\/span> int<\/span> Round<\/span>(double<\/span> number<\/span>)<\/span>\r\n{\r\nint<\/span> integerPart = (int<\/span>)number;\r\ndouble<\/span> decimalPart = number - integerPart;\r\nif<\/span> (decimalPart >= 0.5<\/span>)\r\n{\r\nreturn<\/span> integerPart + 1<\/span>;\r\n}\r\nelse<\/span>\r\n{\r\nreturn<\/span> integerPart;\r\n}\r\n}\r\n<\/code><\/pre>\n
          \n
        1. Math.Truncate()\u95a2\u6570\u3092\u547c\u3073\u51fa\u3059\u304b\u3001\u578b\u5909\u63db\u3092\u884c\u3046\u3002Math.Truncate()\u95a2\u6570\u306f\u5c0f\u6570\u90e8\u5206\u3092\u5207\u308a\u6368\u3066\u6574\u6570\u90e8\u5206\u3092\u8fd4\u5374\u3059\u308b\u3002\u3053\u306e\u6574\u6570\u90e8\u5206\u3068\u5143\u306e\u6570\u5024\u3068\u306e\u5dee\u304c0.5\u3088\u308a\u5c0f\u3055\u3051\u308c\u3070\u56db\u6368\u4e94\u5165\u3059\u308b\u3002\u4f8b\u3048\u3070<\/li>\n<\/ol>\n
          double<\/span> number = 3.7<\/span>;\r\nint<\/span> integerPart = (int<\/span>)number;\r\nint<\/span> roundedNumber = number - integerPart >= 0.5<\/span> ? integerPart + 1<\/span> : integerPart;\r\nConsole.WriteLine(roundedNumber);  \/\/ \u8f93\u51fa 4<\/span>\r\n<\/code><\/pre>\n
          C# \u3067\u56db\u6368\u4e94\u5165\u3092\u5b9f\u88c5\u3059\u308b\u4e00\u822c\u7684\u306a 4 \u3064\u306e\u65b9\u6cd5\u306f\u4ee5\u4e0a\u3067\u3059\u3002\u5177\u4f53\u7684\u306a\u30cb\u30fc\u30ba\u3068\u72b6\u6cc1\u306b\u5fdc\u3058\u3066\u9069\u5207\u306a\u65b9\u6cd5\u3092\u9078\u629e\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
          C# \u8a00\u8a9e\u306b\u306f\u3001\u56db\u6368\u4e94\u5165\u3092\u884c\u3046\u65b9\u6cd5\u304c\u3044\u304f\u3064\u304b\u3042\u308a\u307e\u3059\u3002\u4ee5\u4e0b\u306f\u3001\u4e00\u822c\u7684\u306b\u4f7f\u7528\u3055\u308c\u308b 4 \u3064\u306e\u65b9\u6cd5\u3067\u3059\u3002 Math.Round() \u95a2\u6570\u3092\u4f7f\u7528\u3057\u3066\u3001\u6307\u5b9a\u3055\u308c\u305f\u5c0f\u6570\u6841\u306b\u4e38\u3081\u307e\u3059\u3002\u4e38\u3081\u65b9\u306f\u3001\u5f15\u6570\u3067\u6307\u5b9a\u3067\u304d\u307e\u3059\u3002 double n […]<\/p>\n","protected":false},"author":10,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-124836","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"\nC\uff03\u306e\u56db\u6368\u4e94\u5165\u306e4\u3064\u306e\u65b9\u6cd5 - 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\uff03\u306e\u56db\u6368\u4e94\u5165\u306e4\u3064\u306e\u65b9\u6cd5\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"C\uff03\u306e\u56db\u6368\u4e94\u5165\u306e4\u3064\u306e\u65b9\u6cd5\" \/>\n<meta property=\"og:description\" content=\"C# \u8a00\u8a9e\u306b\u306f\u3001\u56db\u6368\u4e94\u5165\u3092\u884c\u3046\u65b9\u6cd5\u304c\u3044\u304f\u3064\u304b\u3042\u308a\u307e\u3059\u3002\u4ee5\u4e0b\u306f\u3001\u4e00\u822c\u7684\u306b\u4f7f\u7528\u3055\u308c\u308b 4 \u3064\u306e\u65b9\u6cd5\u3067\u3059\u3002 Math.Round() \u95a2\u6570\u3092\u4f7f\u7528\u3057\u3066\u3001\u6307\u5b9a\u3055\u308c\u305f\u5c0f\u6570\u6841\u306b\u4e38\u3081\u307e\u3059\u3002\u4e38\u3081\u65b9\u306f\u3001\u5f15\u6570\u3067\u6307\u5b9a\u3067\u304d\u307e\u3059\u3002 double n […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/ja\/blog\/c\uff03\u306e\u56db\u6368\u4e94\u5165\u306e4\u3064\u306e\u65b9\u6cd5\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - 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