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    std::bitset::to_ulong

    De cppreference.com

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    <metanoindex/>

     
    C++
     
    Bibliothèque d'utilitaires
     
    std::bitset
    Types de membres
    Original:
    Member types
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    bitset::reference
    Les fonctions membres
    Original:
    Member functions
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    bitset::bitset
    bitset::operator==
    bitset::operator!=
    Elément d'accès
    Original:
    Element access
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    bitset::operator[]
    bitset::test
    bitset::all
    bitset::any
    bitset::none    		 (C++11)

     
    bitset::count
    Capacité
    Original:
    Capacity
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    bitset::size
    Modificateurs
    Original:
    Modifiers
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    bitset::operator&=
    bitset::operator|=
    bitset::operator^=
    bitset::operator~
    bitset::operator<<=
    bitset::operator>>=
    bitset::operator<<
    bitset::operator>>
    bitset::set
    bitset::reset
    bitset::flip
    Conversions
    Original:
    Conversions
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    bitset::to_string
    bitset::to_ulong
    bitset::to_ullong (C++11)
    Tiers fonctions
    Original:
    Non-member functions
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    operator&
    operator|
    operator^
    operator<<
    operator>>
    Classes d'aide
    Original:
    Helper classes
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    std::hash (C++11)
     
    <tbody> </tbody>
    unsigned long to_ulong() const
    Convertit le contenu de la bitset à un nombre entier unsigned long .
    Original:
    Converts the contents of the bitset to an unsigned long integer.
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    Le premier bit de la bitset correspond au chiffre le moins significatif du nombre et du dernier bit correspond au chiffre le plus significatif .
    Original:
    The first bit of the bitset corresponds to the least significant digit of the number and the last bit corresponds to the most significant digit.
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    Paramètres

    (Aucun)
    Original:
    (none)
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    Retourne la valeur

    l'entier converti
    Original:
    the converted integer
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    Exceptions

    jette std::overflow_error si la valeur ne peut pas être représenté dans unsigned long .
    Original:
    throws std::overflow_error if the value can not be represented in unsigned long.
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    Exemple

    #include <iostream>
#include <bitset>

int main()
{
    for (unsigned long i = 0; i < 10; ++i) {
        std::bitset<5> b(i);
        std::bitset<5> b_inverted = ~b;
        std::cout << i << '\t';
        std::cout << b << '\t';
        std::cout << b_inverted << '\t';
        std::cout << b_inverted.to_ulong() << '\n'; 
    }
}

    Résultat : 

    0	00000	11111	31
1	00001	11110	30
2	00010	11101	29
3	00011	11100	28
4	00100	11011	27
5	00101	11010	26
6	00110	11001	25
7	00111	11000	24
8	01000	10111	23
9	01001	10110	22

    Voir aussi
    retourne une chaîne représentant des données
    Original:
    returns a string representation of the data
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    (fonction membre publique) [edit]
    (C++11)
    renvoie une représentation entière unsigned long long des données
    Original:
    returns an unsigned long long integer representation of the data
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    (fonction membre publique) [edit]