{"id":34409,"date":"2023-03-05T08:36:40","date_gmt":"2023-03-05T03:06:40","guid":{"rendered":"https:\/\/jassweb.com\/solved\/solved-why-do-primitive-data-types-have-a-fixed-size\/"},"modified":"2023-03-05T08:36:40","modified_gmt":"2023-03-05T03:06:40","slug":"solved-why-do-primitive-data-types-have-a-fixed-size","status":"publish","type":"post","link":"https:\/\/jassweb.com\/solved\/solved-why-do-primitive-data-types-have-a-fixed-size\/","title":{"rendered":"[Solved] Why do Primitive Data Types have a Fixed Size?"},"content":{"rendered":"

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As low-level programming languages, the designs of C and C++ closely follow what common hardware is capable of. The primitive building blocks (fundamental types) correspond to entities that common CPUs natively support. CPUs typically can handle bytes and words very efficiently; C called these char<\/code> and int<\/code>. (More precisely, C defined int<\/code> in such a way that a compiler could use the target CPU’s word size for it.) There has also been CPU support for double-sized words, which historically corresponded to the long<\/code> data type in C, later to the long long<\/code> types of C and C++. Half-words corresponded to short<\/code>. The basic integer types correspond to things a CPU can handle well, with enough flexibility to accommodate different architectures. (For example, if a CPU did not support half-words, short<\/code> could be the same size as int<\/code>.)<\/p>\n

If there was hardware support for integers of unbounded size (limited only by available memory), then there could be an argument for adding that as a fundamental type in C (and C++). Until that happens, support of big integers (see bigint) in C and C++ has been relegated to libraries.<\/p>\n

Some of the newer, higher-level languages do have built-in support for arbitrary-precision arithmetic.<\/p>\n<\/p><\/div>\n

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solved Why do Primitive Data Types have a Fixed Size? <\/p>\n","protected":false},"excerpt":{"rendered":"

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(More precisely, C defined int in such … 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":[1435],"class_list":["post-34409","post","type-post","status-publish","format-standard","hentry","category-solved","tag-long-integer"],"yoast_head":"\n[Solved] Why do Primitive Data Types have a Fixed Size? - 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-why-do-primitive-data-types-have-a-fixed-size\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"[Solved] Why do Primitive Data Types have a Fixed Size? - JassWeb\" \/>\n<meta property=\"og:description\" content=\"[ad_1] As low-level programming languages, the designs of C and C++ closely follow what common hardware is capable of. 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