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

int main() {
    int numpoints = 36;
    array double x[numpoints], y[2][numpoints];
    int i;
    class CPlot plot;

    linspace(x, 0, 360);
    for(i=0; i < numpoints; i++) {
        y[0][i] = sin(x[i]*M_PI/180);
        y[1][i] = cos(x[i]*M_PI/180);
    }
    plotxy(x, y, NULL, "xlabel", "ylabel", &plot);
    plot.legend("sine wave", 0);
    plot.legend("cosine wave", 1);
    plot.plotting();
}