#include <chplot.h>
#include <math.h>

int main() {
    double x_center = M_PI/3, y_center = 2.0, r = 1.5;
    class CPlot plot;

    plot.polarPlot(PLOT_ANGLE_RAD); /* Polar coordinate system */
    plot.circle(x_center, y_center, r);
    plot.plotType(PLOT_PLOTTYPE_LINES, 0, 3, 4);
    plot.sizeRatio(-1);
    plot.axisRange(PLOT_AXIS_X, -1, 3);
    plot.axisRange(PLOT_AXIS_Y, 0, 4);
    plot.plotting();
}