{"id":6586,"date":"2026-04-13T11:50:38","date_gmt":"2026-04-13T11:50:38","guid":{"rendered":"http:\/\/the-codest.localhost\/dictionary\/floating-point\/"},"modified":"2026-04-13T11:50:50","modified_gmt":"2026-04-13T11:50:50","slug":"in-virgola-mobile","status":"publish","type":"dictionary","link":"https:\/\/thecodest.co\/it\/dictionary\/floating-point\/","title":{"rendered":"Punto fluttuante"},"content":{"rendered":"

Punto fluttuante<\/h1>\n

La virgola mobile \u00e8 un dati<\/a> tipo utilizzato nella programmazione informatica per rappresentare numeri reali con un'ampia gamma di grandezze e precisioni. \u00c8 una rappresentazione binaria della notazione scientifica, composta da un bit di segno, una mantissa e un esponente. La mantissa rappresenta le cifre significative del numero, mentre l'esponente rappresenta la grandezza del numero.<\/p>\n

I numeri in virgola mobile sono utilizzati in numerose applicazioni, tra cui le simulazioni scientifiche, i calcoli finanziari e la grafica computerizzata. Sono essenziali per rappresentare valori che non possono essere rappresentati con precisione con i numeri interi, come i numeri irrazionali e le frazioni decimali.<\/p>\n

Uno dei principali vantaggi dei numeri in virgola mobile \u00e8 la loro capacit\u00e0 di rappresentare un'ampia gamma di valori con una quantit\u00e0 di memoria relativamente ridotta. Tuttavia, non sono sempre precisi e nei calcoli che coinvolgono i numeri in virgola mobile possono verificarsi errori di arrotondamento. Questi errori possono accumularsi nel tempo e portare a imprecisioni nei calcoli.<\/p>\n

Esistono diversi formati in virgola mobile, tra cui quelli a singola e a doppia precisione. I numeri in virgola mobile a singola precisione utilizzano 32 bit per rappresentare un numero, mentre i numeri in virgola mobile a doppia precisione utilizzano 64 bit. La scelta del formato dipende dall'applicazione e dal livello di precisione richiesto.<\/p>\n

In generale, i numeri in virgola mobile sono uno strumento potente per rappresentare i numeri reali nella programmazione informatica. Sebbene non siano sempre precisi, sono essenziali per molte applicazioni e possono essere utilizzati efficacemente con un'attenta considerazione dei loro limiti.<\/p>","protected":false},"excerpt":{"rendered":"

Imparate a conoscere il versatile tipo di dati utilizzato nella programmazione informatica per rappresentare numeri reali di varia entit\u00e0 e precisione: la virgola mobile.<\/p>","protected":false},"template":"","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"class_list":["post-6586","dictionary","type-dictionary","status-publish","hentry"],"acf":[],"yoast_head":"\nFloating Point - The Codest<\/title>\n<meta name=\"description\" content=\"Learn about the versatile data type used in computer programming to represent real numbers of various magnitudes and precision - Floating Point.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/thecodest.co\/it\/dizionario\/in-virgola-mobile\/\" \/>\n<meta property=\"og:locale\" content=\"it_IT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Floating Point\" \/>\n<meta property=\"og:description\" content=\"Learn about the versatile data type used in computer programming to represent real numbers of various magnitudes and precision - 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