プログラムでこのクラス複合体を使用して方程式を解析しています
class complex
{
double real;
double imag;
stringstream complexStr;
public:
complex(double re = 0, double im = 0)
{
real = re;
imag = im;
complexStr<<real<<"+j"<<imag;
}
complex(complex &t)
{
real = t.real;
imag = t.imag;
}
void StrtoComplex(char *temp)
{
int i;
for(i = 0; i < strlen(temp); i++)
if(temp[i] == 'j' || temp[i] == 'i')
break;
real = atof(temp);//takes till the last valid char so after + or whitespace it ignores
imag = atof(temp + i + 1);
complexStr<<real<<"+j"<<imag;
}
friend complex operator+(complex &a, complex &b);
friend complex operator-(complex &a, complex &b);
friend complex operator-(complex &a);
friend complex operator*(complex &a, complex &b);
friend complex operator/(complex &a, complex &b);
friend ostream &operator<<(ostream &s, complex &t);
friend istream &operator>>(istream &s, complex &t);
};
//overloading + to add complex numbers
complex operator +(complex &a, complex &b)
{
complex t;
t.real = a.real + b.real;
t.imag = a.imag + b.imag;
return(t);
}
//overaloading - to subtract 2 complex no's
complex operator -(complex &a, complex &b)
{
complex t;
t.real = a.real - b.real;
t.imag = a.imag - b.imag;
return(t);
}
//overloading unary -
complex operator -(complex &a)
{
complex t(-a.real, -a.imag);
return(t);
}
//overloading * to multiply 2 complex no's
complex operator *(complex &a, complex &b)
{
complex t;
t.real = (a.real*b.real) - (a.imag*b.imag);
t.imag = (a.real*b.imag) + (a.imag*b.real);
return(t);
}
//overloading / to divide 2 complex no's
complex operator /(complex &a, complex &b)
{
complex t;
t.real = ((a.real*b.real) + (a.imag*b.imag))/(b.real*b.real + b.imag*b.imag);
t.imag = ((a.real*b.imag) - (a.imag*b.real))/(b.real*b.real + b.imag*b.imag);
return(t);
}
ostream &operator<<(ostream &s, complex &t)
{
s<<t.complexStr.str();
return s;
}
istream &operator>>(istream &s, complex &t)
{
char *temp;
s>>temp;
t.StrtoComplex(temp);
return s;
}
そして、私はこのエラーを受け取っています:
error C2248: 'std::basic_ios<_Elem,_Traits>::basic_ios' : cannot access private member declared in class 'std::basic_ios<_Elem,_Traits>'
1> with
1> [
1> _Elem=char,
1> _Traits=std::char_traits<char>
1> ]
1> c:\program files (x86)\microsoft visual studio 10.0\vc\include\ios(176) : see declaration of 'std::basic_ios<_Elem,_Traits>::basic_ios'
1> with
1> [
1> _Elem=char,
1> _Traits=std::char_traits<char>
1> ]
1> This diagnostic occurred in the compiler generated function 'std::basic_stringstream<_Elem,_Traits,_Alloc>::basic_stringstream(const std::basic_stringstream<_Elem,_Traits,_Alloc> &)'
1> with
1> [
1> _Elem=char,
1> _Traits=std::char_traits<char>,
1> _Alloc=std::allocator<char>
1> ]
検索してみましたが、答えはプログラムに固有のようですので、この質問を投稿してください。