在c++类中声明动态bitset并为其赋值
Declaration and assigning values to a dynamic bitset in a C++ class
下面的代码不能编译,我确信问题是我如何声明和赋值给动态bitset inpSeq,为分配位给那个位集,我这样编码
usr1.set (11, 5, 23, 00001);
在成员函数集中声明inpSeq:
void set (int , int , int, boost::dynamic_biset <>);
另外三个动态bitset的声明是错误的,我不知道为什么,我把它们声明得好像它们在main中一样,不知道它在类中是否或如何不同。
下面是完整的代码:
#include <iostream>
#include <math.h>
#include <algorithm>
#include <vector>
#include <boost/dynamic_bitset.hpp>
using namespace std;
class rsa {
protected:
int polyLoc, x, y, p, q, d, m, n, f, e, c, end, k;
boost::dynamic_bitset<> inpSeq (5);
boost::dynamic_bitset<> operSeq(5);
boost::dynamic_bitset<> bit(5);
vector <int> xorArray;
vector <int> keyReg;
public:
rsa () : polyLoc(3210), x(0), y(0), n(0), e(0), c(0), k(0), end(0), f(0) {};
void set (int , int , int, boost::dynamic_biset <>);
int key () {
while(polyLoc>0)
{
xorArray.push_back(polyLoc%10);
polyLoc/=10;
}
sort(xorArray.rbegin(), xorArray.rend());
operSeq = inpSeq;
keyReg.push_back(inpSeq[0]);
x = xorArray[0];
do {
for (unsigned int r = 1; r < xorArray.size(); r++)
{
bit[4] = operSeq[x];
y = xorArray[r];
bit[4] = bit[4] ^ operSeq[y];
}
operSeq >>= 1;
operSeq[4] = bit[4];
keyReg.push_back(operSeq[0]);
}
while ((operSeq != inpSeq));
for ( unsigned int i = 0; i < keyReg.size(); i++)
{
if (keyReg[i]==1)
m = m + int(pow(2,i));
}
n = p*q;
f = (p-1)*(q-1);
for (k ; end < 1; k++)
{
if ((1+k*f)%d==0)
{
end = 2;
e = (1+k*f)/d;
}
}
c = int(pow(m,e))%n;
return c;}
};
void rsa::set(int p_, int q_, int d_, boost::dynamic_biset <> m_ (5))
{
p = p_;
q = q_;
d = d_;
inpSeq = m_;
}
class public_key : public rsa {
public:
public_key () : rsa () {} ;
};
class private_key : public rsa {
public:
private_key () : rsa () {} ;
};
int main()
{
public_key usr1, usr2, usr3;
private_key usr1r, usr2r, usr3r;
usr1.set (11, 5, 23, 00001);
usr2.set (13, 7, 97, 00010);
usr3.set (11, 17, 997, 00011);
usr1r.set (17, 7, 51, 10011);
usr2r.set (11, 17, 51, 10110);
cout << "Public key of user 1: " << usr1.key() << endl;
cout << "Public key of user 2: " << usr2.key() << endl;
cout << "Public key of user 3: " << usr3.key() << endl;
cin.get();
return 0;
}
错误是:数值常量
前的预期标识符 boost::dynamic_bitset<> inpSeq(5);
^
damage.cc:11:33: error: expected ‘,’ or ‘...’ before numeric constant
damage.cc:12:34: error: expected identifier before numeric constant
boost::dynamic_bitset<> operSeq(5);
^
damage.cc:12:34: error: expected ‘,’ or ‘...’ before numeric constant
damage.cc:13:30: error: expected identifier before numeric constant
boost::dynamic_bitset<> bit(5);
^
damage.cc:13:30: error: expected ‘,’ or ‘...’ before numeric constant
damage.cc:18:36: error: ‘boost::dynamic_biset’ has not been declared
void set (int , int , int, boost::dynamic_biset <>);
^
damage.cc:18:50: error: expected ‘,’ or ‘...’ before ‘<’ token
void set (int , int , int, boost::dynamic_biset <>);
^
damage.cc: In member function ‘int rsa::key()’:
damage.cc:26:10: error: invalid use of member function (did you forget the ‘()’ ?)
operSeq = inpSeq;
^
damage.cc:27:27: error: invalid types ‘<unresolved overloaded function type>[int]’ for array subscript
keyReg.push_back(inpSeq[0]);
^
damage.cc:32:8: error: invalid types ‘<unresolved overloaded function type>[int]’ for array subscript
bit[4] = operSeq[x];
^
damage.cc:32:21: error: invalid types ‘<unresolved overloaded function type>[int]’ for array subscript
bit[4] = operSeq[x];
^
damage.cc:34:8: error: invalid types ‘<unresolved overloaded function type>[int]’ for array subscript
bit[4] = bit[4] ^ operSeq[y];
^
damage.cc:34:17: error: invalid types ‘<unresolved overloaded function type>[int]’ for array subscript
bit[4] = bit[4] ^ operSeq[y];
^
damage.cc:34:30: error: invalid types ‘<unresolved overloaded function type>[int]’ for array subscript
bit[4] = bit[4] ^ operSeq[y];
^
damage.cc:36:11: error: invalid use of member function (did you forget the ‘()’ ?)
operSeq >>= 1;
^
damage.cc:37:12: error: invalid types ‘<unresolved overloaded function type>[int]’ for array subscript
operSeq[4] = bit[4];
^
damage.cc:37:22: error: invalid types ‘<unresolved overloaded function type>[int]’ for array subscript
operSeq[4] = bit[4];
^
damage.cc:38:29: error: invalid types ‘<unresolved overloaded function type>[int]’ for array subscript
keyReg.push_back(operSeq[0]);
^
damage.cc:40:21: error: invalid use of member function (did you forget the ‘()’ ?)
while ((operSeq != inpSeq));
^
damage.cc:40:21: error: invalid use of member function (did you forget the ‘()’ ?)
damage.cc: At global scope:
damage.cc:60:46: error: ‘boost::dynamic_biset’ has not been declared
void rsa::set(int p_, int q_, int d_, boost::dynamic_biset <> m_ (5))
^
damage.cc:60:60: error: expected ‘,’ or ‘...’ before ‘<’ token
void rsa::set(int p_, int q_, int d_, boost::dynamic_biset <> m_ (5))
^
damage.cc: In member function ‘void rsa::set(int, int, int, int)’:
damage.cc:65:12: error: ‘m_’ was not declared in this scope
inpSeq = m_;
需要初始化member initialization list
中的dynamic_bitset
成员。
class rsa
{
public:
typedef boost::dynamic_bitset<> BitSet;
protected:
int polyLoc, x, y, p, q, d, m, n, f, e, c, end, k;
BitSet inpSeq;
BitSet operSeq;
BitSet bit;
vector <int> xorArray;
vector <int> keyReg;
public:
rsa () : polyLoc(3210), x(0), y(0), n(0), e(0), c(0), k(0), end(0), f(0),
inpSeq(5), operSeq(5), bit(5) {}
void set (int , int , int, const BitSet&);
//...
};
当你有一个成员需要默认构造之外的任何东西时,你必须在member-init列表中初始化它。我在上面所做的更改是使用一个名为BitSet
的方便类型定义。这个更改可以使您更清楚地了解如何处理需要初始化的类型。
相关文章:
- 为"adjacent"变量赋值时出现问题
- C++中的赋值发生,尽管右侧出现异常
- 用C++中的sscanf赋值
- 为std::string的某个索引赋值
- 重载Singly Linked List中的赋值运算符
- 为什么我必须在C++中添加一个赋值符号来声明一个数组
- gtest_使用setargpointee在函数中赋值
- 非常量变量只读位置的赋值
- 使用赋值运算符重载从类中返回jobject
- C++数据文件、数组和计算赋值
- 为什么在使用转换构造函数赋值后调用C++类的析构函数?
- 全局作用域中函数指针的赋值
- 错误:在为指针赋值时,void值没有被忽略
- 标准库类型的赋值运算符的引用限定符
- 关于 c++ 函数中指针赋值的简单问题
- 复制构造函数、赋值运算符C++
- 将多个int类型的值赋给bitset
- ' std::bitset::reference '赋值操作符
- 将两个8位的bitset赋值给一个16位的bitset
- 在c++类中声明动态bitset并为其赋值