Function main

examples/graphics/fractal.cpp:67–107

}

int main(int argc, char **argv) {
    int device   = argc > 1 ? atoi(argv[1]) : 0;
    int iter     = argc > 2 ? atoi(argv[2]) : 100;
    bool console = argc > 2 ? argv[2][0] == '-' : false;
    try {
        af::setDevice(device);
        info();
        printf("** ArrayFire Fractals Demo **\n");
        af::Window wnd(WIDTH, HEIGHT, "Fractal Demo");
        wnd.setColorMap(AF_COLORMAP_SPECTRUM);

        float center[] = {-0.75f, 0.1f};
        // Keep zomming out for each frame
        for (int i = 10; i < 400; i++) {
            int zoom = i * i;
            if (!(i % 10)) {
                printf("iteration: %d zoom: %d\n", i, zoom);
                fflush(stdout);
            }

            // Generate the grid at the current zoom factor
            array c = complex_grid(WIDTH, HEIGHT, zoom, center);

            iter = sqrt(abs(2 * sqrt(abs(1 - sqrt(5 * zoom))))) * 100;
            // Generate the mandelbrot image
            array mag = mandelbrot(c, iter, 1000);

            if (!console) {
                if (wnd.close()) break;
                array mag_norm = normalize(mag);
                wnd.image(mag_norm);
            }
        }

    } catch (af::exception &e) {
        fprintf(stderr, "%s\n", e.what());
        throw;
    }

    return 0;
}