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    std::numeric_limits::has_denorm_loss

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    <tbody> </tbody>
    static const bool has_denorm_loss
    		 (fino al c++11)
    static constexpr bool has_denorm_loss
    		 (dal C++11)
    Il valore di std::numeric_limits<T>::has_denorm_loss è true per tutti i tipi a virgola mobile T in grado di distinguere la perdita di precisione a causa di denormalizzazione da altre cause di risultato inesatte.
    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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    Specializzazioni standard

    T
    valore di std::numeric_limits<T>::has_denorm_loss
    Original:
    value of std::numeric_limits<T>::has_denorm_loss
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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
    implementazione definita
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    implementation-defined
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    double
    implementazione definita
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    implementation-defined
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    long double
    implementazione definita
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    implementation-defined
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    Note

    Previste dalle normative IEE 754 in virgola mobile implementazioni può rilevare in virgola mobile underflow in tre momenti predefiniti:
    Original:
    Standard-compliant IEE 754 floating-point implementations may detect the floating-point underflow at three predefined moments:
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    1)

    dopo il calcolo di un risultato di valore assoluto inferiore a std::numeric_limits<T>::min(), tale attuazione rileva tinyness prima di arrotondare.
    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)

    dopo l'arrotondamento del risultato a pezzi std::numeric_limits<T>::digits, se il risultato è molto piccolo, tale attuazione rileva tinyness dopo l'arrotondamento.
    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)

    se la conversione del risultato arrotondato minuscolo a forma subnormal provocato la perdita di precisione, tale attuazione rileva la perdita denorm.
    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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    Esempio

    This section is incomplete
    Reason: no example

    Vedi anche

    [statico]
    identifica i tipi a virgola mobile che rilevano tinyness prima dell'arrotondamento
    Original:
    identifies floating-point types that detect tinyness before rounding
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    (pubblico membro statico costante) [modifica]
    [statico]
    identifica lo stile denormalizzazione utilizzato dal tipo a virgola mobile
    Original:
    identifies the denormalization style used by the floating-point type
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    (pubblico membro statico costante) [modifica]