#include <complex>
#include <cmath>

#define ONEOVERTWOPI 0.159154943091895335768
#define TWOPI 6.28318530717958647692

#define FOUROVERPI 1.27323954473516268615
#define NEGFOUROVERPISQ -0.40528473456935108577

using namespace std;

void ExponencialComplexa( double x, complex<double> * target);