Three Techniques for Creating a complex Number - C++ Data Type

C++ examples for Data Type:complex

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Description

Three Techniques for Creating a complex Number

Demo Code

#include <iostream> 
#include <complex> 

using namespace std; 

complex<long double> operator"" _i(long double Value) 
{ 
    return complex<double>(0, Value); 
} 

int main() /*from  w w w . ja v a  2s .  c  o  m*/
{ 
    complex<double> StdComplex(0, 3.14); 
    auto AutoComplex = 3.14_i; 

    auto UDLComplex = 3.14i; 

    cout << StdComplex.real() << " " << StdComplex.imag() << endl; 
    
    cout << AutoComplex.real() << " " << AutoComplex.imag() << endl; 

    cout << UDLComplex.real() << " " << UDLComplex.imag() << endl; 

    return 0; 
}

Result


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