{"id":31939,"date":"2023-01-25T17:02:59","date_gmt":"2023-01-25T11:32:59","guid":{"rendered":"https:\/\/jassweb.com\/solved\/solved-addition-of-doubles-in-c-application-producing-strange-results-closed\/"},"modified":"2023-01-25T17:02:59","modified_gmt":"2023-01-25T11:32:59","slug":"solved-addition-of-doubles-in-c-application-producing-strange-results-closed","status":"publish","type":"post","link":"https:\/\/jassweb.com\/solved\/solved-addition-of-doubles-in-c-application-producing-strange-results-closed\/","title":{"rendered":"[Solved] Addition of Doubles in C# application producing strange results [closed]"},"content":{"rendered":"

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Ultimately, this is because some base-10 numbers (like 0.9) cannot be represented in base 2 in a finite number of digits, just like the fraction 1\/3 cannot be represented in base 10 in a finite number of digits (you get 0.333…).<\/p>\n

0.9 converted to base 2 is 0.1110011001100…, and this binary representation gets truncated such that the result is as number close to<\/em> 0.9 (base 10) but is slightly<\/em> smaller.<\/p>\n

Note that you will not<\/em> see this behavior with the number 0.9, as the float will have a coefficient of 9 and a mantissa of -1. But you will<\/em> see it with 31.9, as it will have a coefficient of 3.19 (in base 2 = 11.00>11000010100011110101<<\/code>, repeating section between the ><<\/code> marks) and a mantissa of +1.<\/p>\n<\/p><\/div>\n

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3<\/span> <\/p><\/div>\n<\/div>\n

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solved Addition of Doubles in C# application producing strange results [closed] <\/p>\n","protected":false},"excerpt":{"rendered":"

[ad_1] Ultimately, this is because some base-10 numbers (like 0.9) cannot be represented in base 2 in a finite number of digits, just like the fraction 1\/3 cannot be represented in base 10 in a finite number of digits (you get 0.333…). 0.9 converted to base 2 is 0.1110011001100…, and this binary representation gets truncated … Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[320],"tags":[324],"class_list":["post-31939","post","type-post","status-publish","format-standard","hentry","category-solved","tag-c"],"yoast_head":"\n[Solved] Addition of Doubles in C# application producing strange results [closed] - JassWeb<\/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:\/\/jassweb.com\/solved\/solved-addition-of-doubles-in-c-application-producing-strange-results-closed\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"[Solved] Addition of Doubles in C# application producing strange results [closed] - JassWeb\" \/>\n<meta property=\"og:description\" content=\"[ad_1] Ultimately, this is because some base-10 numbers (like 0.9) cannot be represented in base 2 in a finite number of digits, just like the fraction 1\/3 cannot be represented in base 10 in a finite number of digits (you get 0.333…). 0.9 converted to base 2 is 0.1110011001100…, and this binary representation gets truncated ... Read more\" \/>\n<meta property=\"og:url\" content=\"https:\/\/jassweb.com\/solved\/solved-addition-of-doubles-in-c-application-producing-strange-results-closed\/\" \/>\n<meta property=\"og:site_name\" content=\"JassWeb\" \/>\n<meta property=\"article:published_time\" content=\"2023-01-25T11:32:59+00:00\" \/>\n<meta name=\"author\" content=\"Kirat\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Kirat\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/jassweb.com\/solved\/solved-addition-of-doubles-in-c-application-producing-strange-results-closed\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/jassweb.com\/solved\/solved-addition-of-doubles-in-c-application-producing-strange-results-closed\/\"},\"author\":{\"name\":\"Kirat\",\"@id\":\"https:\/\/jassweb.com\/solved\/#\/schema\/person\/65c9c7b7958150c0dc8371fa35dd7c31\"},\"headline\":\"[Solved] Addition of Doubles in C# application producing strange results [closed]\",\"datePublished\":\"2023-01-25T11:32:59+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/jassweb.com\/solved\/solved-addition-of-doubles-in-c-application-producing-strange-results-closed\/\"},\"wordCount\":132,\"publisher\":{\"@id\":\"https:\/\/jassweb.com\/solved\/#organization\"},\"keywords\":[\"c++\"],\"articleSection\":[\"Solved\"],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/jassweb.com\/solved\/solved-addition-of-doubles-in-c-application-producing-strange-results-closed\/\",\"url\":\"https:\/\/jassweb.com\/solved\/solved-addition-of-doubles-in-c-application-producing-strange-results-closed\/\",\"name\":\"[Solved] Addition of Doubles in C# application producing strange results [closed] - 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