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std::bitset::to_ulong

提供: cppreference.com
< cpp‎ | utility‎ | bitset

 
 
 
std::bitset
メンバータイプ
Original:
Member types
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bitset::reference
メンバ関数
Original:
Member functions
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bitset::bitset
bitset::operator==
bitset::operator!=
要素アクセスの循環参照を解除するために使用されている
Original:
Element access
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bitset::operator[]
bitset::test
bitset::all
bitset::any
bitset::none
(C++11)

 
bitset::count
容量
Original:
Capacity
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bitset::size
修飾子
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
変換
Original:
Conversions
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bitset::to_string
bitset::to_ulong
bitset::to_ullong(C++11)
非メンバ関数
Original:
Non-member functions
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operator&
operator|
operator^
operator<<
operator>>
ヘルパークラス
Original:
Helper classes
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std::hash(C++11)
 
unsigned long to_ulong() const
unsigned long整数にBitSetの内容を変換します.
Original:
Converts the contents of the bitset to an unsigned long integer.
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BitSetの最初のビットは数値の最下位桁に対応し、最後のビットが最上位桁に対応しています.
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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目次

[編集] パラメータ

(なし)
Original:
(none)
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[編集] 値を返します

変換された整数
Original:
the converted integer
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[編集] 例外

値がstd::overflow_errorで表現できない場合unsigned longをスロー.
Original:
throws std::overflow_error if the value can not be represented in unsigned long.
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[編集]

#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'; 
    }
}

出力:

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

[編集] も参照してください

データの文字列表現を返します
Original:
returns a string representation of the data
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(パブリックメンバ関数) [edit]
(C++11)
データのunsigned long long整数表現を返します
Original:
returns an unsigned long long integer representation of the data
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(パブリックメンバ関数) [edit]