#ifdef _MSC_VER

// this extra #define is only needed for Microsoft Visual C++

#define _USE_MATH_DEFINES

#include <cmath>

#else

#include <cmath>

#endif



#include <iostream>

#include <complex>

#include <cassert>



using namespace std;



complex<double> impedanceC(double c, double f) {

	assert(c!=0.0 && f!=0.0);

	return complex<double>(0, -1/(2*M_PI*f*c));

}



int main() {

	cout<<impedanceC(1e-6, 1e3)<<endl;

	cin.get();

	cout<<impedanceC(1e-6, 0)<<endl;

	cin.get();

	cout<<"The END."<<endl;

	cin.get();

	return 0;

}



/*

(0,-159.155)





Assertion failed: c!=0.0 && f!=0.0, file C:\SOP2\impC.cpp, line 9



Abnormal program termination

*/