#include <cmath>
#include <matplot/matplot.h>

int main() {
    using namespace matplot;

    double r = 2;
    double xc = 4;
    double yc = 3;
    std::vector<double> theta = linspace(0, 2*pi);
    std::vector<double> x = transform(theta,[=](auto theta) {return r*cos(theta)+xc;});
    std::vector<double> y = transform(theta,[=](auto theta) {return r*sin(theta)+yc;});
    plot(x,y);
    axis(equal);

    wait();
    return 0;
}