#include <complex>
#include <Eigen/Core>

int main() {
    // Constants
    const Eigen::half one(1);
    const std::complex<Eigen::half> z0(one);

    // Local variables
    std::complex<Eigen::half> z1, z2, z3, z4, z5;

    // Assign using polar coordinates, second coordinate is zero
    z1 = std::polar(one);

    // Compute the square root
    z2 = std::sqrt(z0);

    // Compute the pow using an unsigned power
    z3 = std::pow(z0, (unsigned)2);

    // Compute the pow using a positive integer power
    z3 = std::pow(z0, 2);

    // Compute the pow using a negative integer power
    z4 = std::pow(z0, -2);

    // Compute the acos
    z5 = std::acos(z0);

    return 0;
}