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    std::numeric_limits::digits

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    C++
     
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    Geben Sie Unterstützung
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    Feste Breite Integer-Typen(C++11)
    Numerische Grenzen
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    Numeric limits
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    std::numeric_limits
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    numeric_limits::digits
    numeric_limits::digits10
    numeric_limits::max_digits10(C++11)
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    staticconstint digits
    		(bis C + +11)
    staticconstexprint digits
    		(seit C++11)
    Der Wert std::numeric_limits<T>::digits ist die Anzahl der Stellen in der Basis-radix, die vom Typ T unverändert dargestellt werden kann. Für Integer-Typen ist dies die Anzahl der Bits nicht mitgerechnet die Vorzeichenbit. Bei Fließkomma-Typen ist dies die Anzahl der Ziffern in der Mantisse .
    Original:
    The value of std::numeric_limits<T>::digits is the number of digits in base-radix that can be represented by the type T without change. For integer types, this is the number of bits not counting the sign bit. For floating-point types, this is the number of digits in the mantissa.
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    [Bearbeiten]Standard Spezialisierungen

    T
    Wert std::numeric_limits<T>::digits
    Original:
    value of std::numeric_limits<T>::digits
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    /* non-specialized */ ​0​
    bool1
    charCHAR_BIT-std::numeric_limits<char>::is_signed
    signedcharCHAR_BIT-1
    unsignedcharCHAR_BIT
    wchar_tCHAR_BIT*sizeof(wchar_t)-std::numeric_limits<wchar_t>::is_signed
    char16_tCHAR_BIT*sizeof(char16_t)
    char32_tCHAR_BIT*sizeof(char32_t)
    shortCHAR_BIT*sizeof(short)-1
    unsignedshortCHAR_BIT*sizeof(short)
    intCHAR_BIT*sizeof(int)-1
    unsignedintCHAR_BIT*sizeof(int)
    longCHAR_BIT*sizeof(long)-1
    unsignedlongCHAR_BIT*sizeof(long)
    longlongCHAR_BIT*sizeof(longlong)-1
    unsignedlonglongCHAR_BIT*sizeof(long)
    floatFLT_MANT_DIG
    doubleDBL_MANT_DIG
    longdoubleLDBL_MANT_DIG

    [Bearbeiten]Siehe auch

    [statisch]
    die Radix oder Integer Basis durch die Darstellung des angegebenen Typs verwendet
    Original:
    the radix or integer base used by the representation of the given type
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    (public static Mitglied konstanten)[edit]
    [statisch]
    eine mehr als die kleinste negative Macht des Radix, die eine gültige normalisierten Gleitkomma-Wert ist
    Original:
    one more than the smallest negative power of the radix that is a valid normalized floating-point value
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    (public static Mitglied konstanten)[edit]
    [statisch]
    eine mehr als die größte ganze Macht der radix, die eine gültige endlichen Floating-Point-Wert ist
    Original:
    one more than the largest integer power of the radix that is a valid finite floating-point value
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    (public static Mitglied konstanten)[edit]
    Von „https://de.cppreference.com/mwiki/index.php?title=cpp/types/numeric_limits/digits&oldid=30273“
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