void mandelbrot_cpu_seq(Extent ext, int* dest, const int max_iter, Rectangle mi)
{
	for (int y = 0; y < ext.get_height(); y++)
	{
		for (int x = 0; x < ext.get_width(); x++)
		{
			const int i = ext.checked_index(x, y);
			const float x0 = scale(x, ext.get_width(), mi.x0, mi.x1);
			const float y0 = scale(y, ext.get_height(), mi.y0, mi.y1);
			dest[i] = mandelbrot(x0, y0, max_iter);
		}
	}
}