operator>> (<complex>)
Extracts a complex value from the input stream.
template<class Type, class Elem, class Traits>
basic_istream<Elem, Traits>&
operator>>(
basic_istream<Elem, Traits>& _Istr,
complex<Type>& _Right
);
Parameters
_Istr
The input stream from which the complex number is being extracted._Right
The complex number that is being extracted from the input stream.
Return Value
Reads the value of the specified complex number from _Istr and returns it into _Right.
Remarks
The valid input formats are
( real part, imaginary part )
( real part )
real part
Example
// complex_op_extract.cpp
// compile with: /EHsc
#include <complex>
#include <iostream>
int main( )
{
using namespace std;
double pi = 3.14159265359;
complex <double> c2;
cout << "Input a complex number ( try: 2.0 ): ";
cin >> c2;
cout << c2 << endl;
}
2.0
Requirements
Header: <complex>
Namespace: std