{"id":592,"date":"2020-09-05T14:05:25","date_gmt":"2020-09-05T05:05:25","guid":{"rendered":"https:\/\/naoya-ono.com\/swift\/?p=592"},"modified":"2020-09-05T14:05:25","modified_gmt":"2020-09-05T05:05:25","slug":"swift-get-decimal","status":"publish","type":"post","link":"https:\/\/naoya-ono.com\/swift\/swift-get-decimal\/","title":{"rendered":"\u3010Swift\u3011Float \/ Double\u578b\u306e\u6570\u5024\u304b\u3089\u5c0f\u6570\u90e8\u5206\u3092\u53d6\u308a\u51fa\u3059\u65b9\u6cd5"},"content":{"rendered":"<h2 class=\"hh hh5 pastel-bc\" id=\"i-0\">\u5b9f\u88c5\u65b9\u6cd5<\/h2>\n<p>\u5c0f\u6570\u90e8\u5206\u3092\u629c\u304d\u51fa\u3059\u306b\u306f <span class=\"keiko_yellow\"><strong>truncatingRemainder(dividingBy:)\u30e1\u30bd\u30c3\u30c9 <\/strong><\/span>\u3092\u4f7f\u3044\u307e\u3059\u3002<\/p>\n<p>\u6b21\u306e\u3088\u3046\u306b\u66f8\u304f\u3053\u3068\u3067\u3001\uff11\u3067\u5272\u3063\u305f\u3042\u307e\u308a\u3001\u3064\u307e\u308a\u5c0f\u6570\u90e8\u5206\u3092\u629c\u304d\u51fa\u3059\u3053\u3068\u304c\u53ef\u80fd\u3067\u3059\u3002<\/p>\n<div class=\"hcb_wrap\">\n<pre class=\"prism line-numbers lang-swift\" data-lang=\"Swift\"><code><span class=\"k\">let<\/span> <span class=\"nv\">number<\/span> <span class=\"o\">=<\/span> <span class=\"mf\">12.345<\/span>\nlet decimal = number.truncatingRemainder(dividingBy: 1)\n\nprint(decimal)  \/\/ 0.345<\/code><\/pre>\n<\/div>\n<p class=\"title\"><a href=\"https:\/\/developer.apple.com\/documentation\/swift\/float\/2886166-truncatingremainder\" class=\"btn raised blue-bc strong\">truncating<wbr>Remainder\u306e\u8aac\u660e<\/a><\/p>\n<div id=\"rinkerid180\" class=\"yyi-rinker-contents  yyi-rinker-postid-180 yyi-rinker-img-m yyi-rinker-catid-5 \">\n<div class=\"yyi-rinker-box\">\n<div class=\"yyi-rinker-image\">\n\t\t\t\t\t\t\t<a href=\"https:\/\/www.amazon.co.jp\/dp\/B086VVQ3DJ?tag=naoya-ono-22&amp;linkCode=ogi&amp;th=1&amp;psc=1\" rel=\"nofollow\" class=\"yyi-rinker-tracking\" data-click-tracking=\"amazon_img 180 \uff3b\u5897\u88dc\u6539\u8a02\u7b2c3\u7248\uff3dSwift\u5b9f\u8df5\u5165\u9580 \u2500\u2500 \u76f4\u611f\u7684\u306a\u6587\u6cd5\u3068\u5b89\u5168\u6027\u3092\u517c\u306d\u5099\u3048\u305f\u8a00\u8a9e WEB+DB PRESS plus\" data-vars-click-id=\"amazon_img 180 \uff3b\u5897\u88dc\u6539\u8a02\u7b2c3\u7248\uff3dSwift\u5b9f\u8df5\u5165\u9580 \u2500\u2500 \u76f4\u611f\u7684\u306a\u6587\u6cd5\u3068\u5b89\u5168\u6027\u3092\u517c\u306d\u5099\u3048\u305f\u8a00\u8a9e WEB+DB PRESS plus\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/m.media-amazon.com\/images\/I\/51iY70Z3fKL._SL160_.jpg\" width=\"113\" height=\"160\" class=\"yyi-rinker-main-img\" style=\"border: none;\"><\/a>\t\t\t\t\t<\/div>\n<div class=\"yyi-rinker-info\">\n<div class=\"yyi-rinker-title\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.amazon.co.jp\/dp\/B086VVQ3DJ?tag=naoya-ono-22&amp;linkCode=ogi&amp;th=1&amp;psc=1\" rel=\"nofollow\" class=\"yyi-rinker-tracking\" data-click-tracking=\"amazon_title 180 \uff3b\u5897\u88dc\u6539\u8a02\u7b2c3\u7248\uff3dSwift\u5b9f\u8df5\u5165\u9580 \u2500\u2500 \u76f4\u611f\u7684\u306a\u6587\u6cd5\u3068\u5b89\u5168\u6027\u3092\u517c\u306d\u5099\u3048\u305f\u8a00\u8a9e WEB+DB PRESS plus\" data-vars-amp-click-id=\"amazon_title 180 \uff3b\u5897\u88dc\u6539\u8a02\u7b2c3\u7248\uff3dSwift\u5b9f\u8df5\u5165\u9580 \u2500\u2500 \u76f4\u611f\u7684\u306a\u6587\u6cd5\u3068\u5b89\u5168\u6027\u3092\u517c\u306d\u5099\u3048\u305f\u8a00\u8a9e WEB+DB PRESS plus\">\uff3b\u5897\u88dc\u6539\u8a02\u7b2c3\u7248\uff3dSwift\u5b9f\u8df5\u5165\u9580 \u2500\u2500 \u76f4\u611f\u7684\u306a\u6587\u6cd5\u3068\u5b89\u5168\u6027\u3092\u517c\u306d\u5099\u3048\u305f\u8a00\u8a9e WEB+DB PRESS plus<\/a>\t\t\t\t\t\t\t<\/div>\n<div class=\"yyi-rinker-detail\">\n<div class=\"credit-box\">created by&nbsp;<a href=\"https:\/\/oyakosodate.com\/rinker\/\" rel=\"nofollow noopener\" target=\"_blank\">Rinker<\/a><\/div>\n<div class=\"price-box\">\n\t\t\t\t\t\t\t<\/div>\n<\/p><\/div>\n<ul class=\"yyi-rinker-links\">\n<li class=\"amazonkindlelink\">\n\t\t\t\t\t\t<a href=\"https:\/\/www.amazon.co.jp\/dp\/B086VVQ3DJ?tag=naoya-ono-22&amp;linkCode=ogi&amp;th=1&amp;psc=1\" rel=\"nofollow\" class=\"yyi-rinker-link yyi-rinker-tracking\" data-click-tracking=\"amazon_kindle 180 \uff3b\u5897\u88dc\u6539\u8a02\u7b2c3\u7248\uff3dSwift\u5b9f\u8df5\u5165\u9580 \u2500\u2500 \u76f4\u611f\u7684\u306a\u6587\u6cd5\u3068\u5b89\u5168\u6027\u3092\u517c\u306d\u5099\u3048\u305f\u8a00\u8a9e WEB+DB PRESS plus\" data-vars-amp-click-id=\"amazon_kindle 180 \uff3b\u5897\u88dc\u6539\u8a02\u7b2c3\u7248\uff3dSwift\u5b9f\u8df5\u5165\u9580 \u2500\u2500 \u76f4\u611f\u7684\u306a\u6587\u6cd5\u3068\u5b89\u5168\u6027\u3092\u517c\u306d\u5099\u3048\u305f\u8a00\u8a9e WEB+DB PRESS plus\">Kindle<\/a>\t\t\t\t\t<\/li>\n<li class=\"amazonlink\">\n\t\t\t\t\t\t<a href=\"https:\/\/www.amazon.co.jp\/dp\/B086VVQ3DJ?tag=naoya-ono-22&amp;linkCode=ogi&amp;th=1&amp;psc=1\" rel=\"nofollow\" class=\"yyi-rinker-link yyi-rinker-tracking\" data-click-tracking=\"amazon 180 \uff3b\u5897\u88dc\u6539\u8a02\u7b2c3\u7248\uff3dSwift\u5b9f\u8df5\u5165\u9580 \u2500\u2500 \u76f4\u611f\u7684\u306a\u6587\u6cd5\u3068\u5b89\u5168\u6027\u3092\u517c\u306d\u5099\u3048\u305f\u8a00\u8a9e WEB+DB PRESS plus\" data-vars-amp-click-id=\"amazon 180 \uff3b\u5897\u88dc\u6539\u8a02\u7b2c3\u7248\uff3dSwift\u5b9f\u8df5\u5165\u9580 \u2500\u2500 \u76f4\u611f\u7684\u306a\u6587\u6cd5\u3068\u5b89\u5168\u6027\u3092\u517c\u306d\u5099\u3048\u305f\u8a00\u8a9e WEB+DB PRESS plus\">Amazon<\/a>\t\t\t\t\t<\/li>\n<li class=\"rakutenlink\">\n\t\t\t\t\t\t<a href=\"https:\/\/hb.afl.rakuten.co.jp\/hgc\/16781883.64066d33.16781884.4f333982\/Rinker_o_20200831130951?pc=https%3A%2F%2Fsearch.rakuten.co.jp%2Fsearch%2Fmall%2Fswift%2B%25E5%25AE%259F%25E8%25B7%25B5%25E5%2585%25A5%25E9%2596%2580%2F%3Ff%3D1%26grp%3Dproduct&amp;m=https%3A%2F%2Fsearch.rakuten.co.jp%2Fsearch%2Fmall%2Fswift%2B%25E5%25AE%259F%25E8%25B7%25B5%25E5%2585%25A5%25E9%2596%2580%2F%3Ff%3D1%26grp%3Dproduct\" rel=\"nofollow\" class=\"yyi-rinker-link yyi-rinker-tracking\" data-click-tracking=\"rakuten 180 \uff3b\u5897\u88dc\u6539\u8a02\u7b2c3\u7248\uff3dSwift\u5b9f\u8df5\u5165\u9580 \u2500\u2500 \u76f4\u611f\u7684\u306a\u6587\u6cd5\u3068\u5b89\u5168\u6027\u3092\u517c\u306d\u5099\u3048\u305f\u8a00\u8a9e WEB+DB PRESS plus\" data-vars-amp-click-id=\"rakuten 180 \uff3b\u5897\u88dc\u6539\u8a02\u7b2c3\u7248\uff3dSwift\u5b9f\u8df5\u5165\u9580 \u2500\u2500 \u76f4\u611f\u7684\u306a\u6587\u6cd5\u3068\u5b89\u5168\u6027\u3092\u517c\u306d\u5099\u3048\u305f\u8a00\u8a9e WEB+DB PRESS plus\">\u697d\u5929\u5e02\u5834<\/a>\t\t\t\t\t<\/li>\n<li class=\"yahoolink\">\n\t\t\t\t\t\t<a href=\"https:\/\/shopping.yahoo.co.jp\/search?p=swift+%E5%AE%9F%E8%B7%B5%E5%85%A5%E9%96%80\" rel=\"nofollow\" class=\"yyi-rinker-link yyi-rinker-tracking\" data-click-tracking=\"yahoo 180 \uff3b\u5897\u88dc\u6539\u8a02\u7b2c3\u7248\uff3dSwift\u5b9f\u8df5\u5165\u9580 \u2500\u2500 \u76f4\u611f\u7684\u306a\u6587\u6cd5\u3068\u5b89\u5168\u6027\u3092\u517c\u306d\u5099\u3048\u305f\u8a00\u8a9e WEB+DB PRESS plus\" data-vars-amp-click-id=\"yahoo 180 \uff3b\u5897\u88dc\u6539\u8a02\u7b2c3\u7248\uff3dSwift\u5b9f\u8df5\u5165\u9580 \u2500\u2500 \u76f4\u611f\u7684\u306a\u6587\u6cd5\u3068\u5b89\u5168\u6027\u3092\u517c\u306d\u5099\u3048\u305f\u8a00\u8a9e WEB+DB PRESS plus\">Yahoo\u30b7\u30e7\u30c3\u30d4\u30f3\u30b0<\/a>\t\t\t\t\t<\/li>\n<\/ul><\/div>\n<\/p><\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u5b9f\u88c5\u65b9\u6cd5 \u5c0f\u6570\u90e8\u5206\u3092\u629c\u304d\u51fa\u3059\u306b\u306f truncatingRemainder(dividingBy:)\u30e1\u30bd\u30c3\u30c9 \u3092\u4f7f\u3044\u307e\u3059\u3002 \u6b21\u306e\u3088\u3046\u306b\u66f8\u304f\u3053\u3068\u3067\u3001\uff11\u3067\u5272\u3063\u305f\u3042\u307e\u308a\u3001\u3064\u307e\u308a\u5c0f\u6570\u90e8\u5206\u3092\u629c\u304d\u51fa\u3059\u3053\u3068\u304c\u53ef\u80fd\u3067\u3059\u3002 let numb &#8230; <\/p>\n","protected":false},"author":1,"featured_media":594,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[],"_links":{"self":[{"href":"https:\/\/naoya-ono.com\/swift\/wp-json\/wp\/v2\/posts\/592"}],"collection":[{"href":"https:\/\/naoya-ono.com\/swift\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/naoya-ono.com\/swift\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/naoya-ono.com\/swift\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/naoya-ono.com\/swift\/wp-json\/wp\/v2\/comments?post=592"}],"version-history":[{"count":2,"href":"https:\/\/naoya-ono.com\/swift\/wp-json\/wp\/v2\/posts\/592\/revisions"}],"predecessor-version":[{"id":595,"href":"https:\/\/naoya-ono.com\/swift\/wp-json\/wp\/v2\/posts\/592\/revisions\/595"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/naoya-ono.com\/swift\/wp-json\/wp\/v2\/media\/594"}],"wp:attachment":[{"href":"https:\/\/naoya-ono.com\/swift\/wp-json\/wp\/v2\/media?parent=592"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/naoya-ono.com\/swift\/wp-json\/wp\/v2\/categories?post=592"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/naoya-ono.com\/swift\/wp-json\/wp\/v2\/tags?post=592"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}