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    std::numeric_limits::has_denorm_loss

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    <tbody> </tbody>
    static const bool has_denorm_loss
    		 (bis C + +11)
    static constexpr bool has_denorm_loss
    		 (seit C++11)
    Der Wert der std::numeric_limits<T>::has_denorm_loss ist true für alle Floating-Point-Typen T geeignet sind, Verlust von Präzision durch Denormalisierung von anderen Ursachen einer ungenauen Ergebnis .
    Original:
    The value of std::numeric_limits<T>::has_denorm_loss is true for all floating-point types T capable of distinguishing loss of precision due to denormalization from other causes of inexact result.
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    Standard Spezialisierungen

    T
    Wert std::numeric_limits<T>::has_denorm_loss
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    value of std::numeric_limits<T>::has_denorm_loss
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    /* non-specialized */ false
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    unsigned long long false
    float
    Implementierung definiert
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    implementation-defined
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    double
    Implementierung definiert
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    long double
    Implementierung definiert
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    implementation-defined
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    Notes

    Standard-konformen IEE 754 Floating-Point-Implementierungen können die Gleitkommaunterlauf an drei vordefinierten Momente erkennen:
    Original:
    Standard-compliant IEE 754 floating-point implementations may detect the floating-point underflow at three predefined moments:
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    1)

    nach der Berechnung eines Ergebnisses mit absoluter Wert kleiner als std::numeric_limits<T>::min(), erkennt diese Umsetzung tinyness vor dem Runden .
    Original:
    after computation of a result with absolute value smaller than std::numeric_limits<T>::min(), such implementation detects tinyness before rounding.
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    2)

    nach dem Runden des Ergebnisses auf std::numeric_limits<T>::digits Bits, wenn das Ergebnis kleiner, erkennt diese Umsetzung nach dem Runden tinyness .
    Original:
    after rounding of the result to std::numeric_limits<T>::digits bits, if the result is tiny, such implementation detects tinyness after rounding.
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    3)

    wenn die Umwandlung des abgerundeten winzigen Ergebnis subnormale Form in Folge des Verlusts an Genauigkeit detektiert diese Umsetzung denorm Verlust .
    Original:
    if the conversion of the rounded tiny result to subnormal form resulted in the loss of precision, such implementation detects denorm loss.
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    Beispiel

    This section is incomplete
    Reason: no example

    Siehe auch

    [statisch]
    identifiziert Floating-Point-Typen, die tinyness erkennen, bevor Rundungen
    Original:
    identifies floating-point types that detect tinyness before rounding
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    (public static Mitglied konstanten) [edit]
    [statisch]
    identifiziert die Denormalisierung Stil durch den Floating-Point-Typ verwendet
    Original:
    identifies the denormalization style used by the floating-point type
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    (public static Mitglied konstanten) [edit]