Varianti

    INFINITY

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    <metanoindex/>

     
    C++
     
    Numeri libreria
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    Generici operazioni numeriche
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    Generic numeric operations
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    iota(C++11)
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    Functions
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    Basic operations
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    remainder(C++11)
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    nan
    nanf
    nanl    		(C++11)
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    Funzioni esponenziali
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    Exponential functions
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    Power functions
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    Error and gamma functions
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    Più vicini operazioni di interi in virgola mobile
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    Nearest integer floating point operations
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    Floating point manipulation functions
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    ldexp
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    scalbln    		(C++11)
    (C++11)
    ilogb(C++11)
    logb(C++11)
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    nexttoward    		(C++11)
    (C++11)
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    Classificazione / confronto
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    Classification/Comparison
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    fpclassify(C++11)
    isfinite(C++11)
    isinf(C++11)
    isnan(C++11)
    isnormal(C++11)
    signbit(C++11)
    isgreater(C++11)
    isgreaterequal(C++11)
    isless(C++11)
    islessequal(C++11)
    islessgreater(C++11)
    isunordered(C++11)
    Macro costanti
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    Macro constants
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    FP_NORMAL
    FP_SUBNORMAL
    FP_ZERO
    FP_INFINITE
    FP_NAN    		(C++11)
    (C++11)
    (C++11)
    (C++11)
    (C++11)
     
    <tbody> </tbody>
    Elemento definito nell'header <cmath>
    #define INFINITY /*implementation defined*/
    		 (dal C++11)
    Il INFINITY macro restituisce un'espressione costante di float tipo che restituisce l'infinito positivo o senza segno, se supportato dalla realizzazione o su un valore positivo che è garantito per traboccare un float in fase di compilazione.
    Original:
    The macro INFINITY expands to constant expression of type float which evaluates to positive or unsigned infinity, if supported by implementation, or to a positive value that is guaranteed to overflow a float at compile time.
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    Vedi anche

    [statico]
    restituisce il valore positivo infinito di un dato tipo a virgola mobile
    Original:
    returns the positive infinity value of the given floating-point type
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    (metodo pubblico statico) [modifica]
    (C++11)
    controlla se il numero dato è infinito
    Original:
    checks if the given number is infinite
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    (funzione) [modifica]