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    std::numeric_limits::has_quiet_NaN

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    <tbody> </tbody>
    static const bool has_quiet_NaN
    		 (bis C + +11)
    static constexpr bool has_quiet_NaN
    		 (seit C++11)
    Der Wert der std::numeric_limits<T>::has_quiet_NaN ist true für alle Arten T Lage, die die besonderen Wert "Quiet Nicht-A-Number". Diese Konstante ist sinnvoll für alle Floating-Point-Typen und ist garantiert true wenn std::numeric_limits<T>::is_iec559 == true .
    Original:
    The value of std::numeric_limits<T>::has_quiet_NaN is true for all types T capable of representing the special value "Quiet Nicht-A-Number". This constant is meaningful for all floating-point types and is guaranteed to be true if std::numeric_limits<T>::is_iec559 == true.
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    Standard Spezialisierungen

    T
    Wert std::numeric_limits<T>::has_quiet_NaN
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    value of std::numeric_limits<T>::has_quiet_NaN
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    /* non-specialized */ false
    bool false
    char false
    signed char false
    unsigned char false
    wchar_t false
    char16_t false
    char32_t false
    short false
    unsigned short false
    int false
    unsigned int false
    long false
    unsigned long false
    long long false
    unsigned long long false
    float
    Regel true
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    usually true
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    double
    Regel true
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    usually true
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    long double
    Regel true
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    usually true
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    Siehe auch

    [statisch]
    gibt einen ruhigen NaN Wert der gegebenen Fließkomma-Typ
    Original:
    returns a quiet NaN value of the given floating-point type
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    (public static Elementfunktion) [edit]
    [statisch]
    identifiziert Floating-Point-Typen, die den besonderen Wert "positive Unendlichkeit" darstellen kann
    Original:
    identifies floating-point types that can represent the special value "positive infinity"
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    (public static Mitglied konstanten) [edit]
    [statisch]
    identifiziert Floating-Point-Typen, die den besonderen Wert "Signalisierung not-a-number" (NaN) darstellen kann
    Original:
    identifies floating-point types that can represent the special value "signaling not-a-number" (NaN)
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    (public static Mitglied konstanten) [edit]