Varianti

    isfinite

    Da cppreference.com.
    < c | numeric | math

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    <metanoindex/>

     
    C
     
    Numeri
     
    Comuni funzioni matematiche
    Funzioni
    Original:
    Functions
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    Operazioni di base
    Original:
    Basic operations
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    remainder(C99)
    remquo(C99)
    fma(C99)
    fmax(C99)
    fmin(C99)
    fdim(C99)
    nan
    nanf
    nanl    		(C99)
    (C99)
    (C99)
    Funzioni esponenziali
    Original:
    Exponential functions
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    exp
    exp2(C99)
    expm1(C99)
    log
    log10
    log1p(C99)
    log2(C99)
    Funzioni di risparmio energia
    Original:
    Power functions
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    sqrt
    cbrt(C99)
    hypot(C99)
    pow
    Funzioni trigonometriche e iperboliche
    Original:
    Trigonometric and hyperbolic functions
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    sinh
    cosh
    tanh
    asinh(C99)
    acosh(C99)
    atanh(C99)
    Errore e gamma funzioni
    Original:
    Error and gamma functions
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    erf(C99)
    erfc(C99)
    lgamma(C99)
    tgamma(C99)
    Più vicini operazioni di interi in virgola mobile
    Original:
    Nearest integer floating point operations
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    ceil
    floor
    round
    lround
    llround    		(C99)
    (C99)
    (C99)
    trunc(C99)
    nearbyint(C99)
    rint
    lrint
    llrint    		(C99)
    (C99)
    (C99)
    Floating funzioni di manipolazione di punti
    Original:
    Floating point manipulation functions
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    ldexp
    scalbn
    scalbln    		(C99)
    (C99)
    ilogb(C99)
    logb(C99)
    Classificazione
    Original:
    Classification
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    fpclassify(C99)
    isfinite(C99)
    isinf(C99)
    isnan(C99)
    isnormal(C99)
    signbit(C99)
    Macro costanti
    Original:
    Macro constants
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    <tbody> </tbody>
    Elemento definito nell'header <math.h>
    #define isfinite(arg) /* implementation defined */
    Determina se il dato floating arg numero di punto ha un valore finito vale a dire che è normale, subnormale o nullo, ma non infinito o NAN. La macro restituisce un valore integrale.
    Original:
    Determines if the given floating point number arg has finite value i.e. it is normal, subnormal or zero, but not infinite or NAN. The macro returns an integral value.
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    Parametri

    arg -
    valore in virgola mobile
    Original:
    floating point value
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    Valore di ritorno

    Diverso da zero se arg valore integrale ha un valore finito, 0 altrimenti.
    Original:
    Nonzero integral value if arg has finite value, 0 otherwise.
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    Vedi anche

    (C99)
    categorizza il valore dato in virgola mobile
    Original:
    categorizes the given floating point value
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    (funzione) [modifica]
    (C99)
    controlla se il numero dato è infinito
    Original:
    checks if the given number is infinite
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    (funzione) [modifica]
    (C99)
    controlla se il numero dato è NaN
    Original:
    checks if the given number is NaN
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    (funzione) [modifica]
    (C99)
    controlla se il numero dato è normale
    Original:
    checks if the given number is normal
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    (funzione) [modifica]
    C++ documentation for isfinite