function love.load()
end

function love.draw()
   love.graphics.print("testing graphics...", 50, 50);
   
   local function is_nil(obj) return obj == nil; end
   
   if not is_nil(stuff_to_draw) then


      
      if not is_nil(stuff_to_draw.tree) then
         love.graphics.print("The Search Tree:", 200, 100);
	 max_depth = log2(stuff_to_draw.tree[#stuff_to_draw.tree]);
         for i,v in ipairs(stuff_to_draw.tree) do
	    current_depth = log2(v);
	    left = 0 + (((max_depth - current_depth + 1)*50))  *    (count_if(subsequence(stuff_to_draw.tree, 1, i), function(x) return log2(v) <= log2(x); end) +1);
	    top = 150 + log2(v)*25;
	    love.graphics.print(v, left, top);
	 end
      end -- end tree
      
   end
end

function log2(val)
   return math.floor(math.log(val)/math.log(2));
end

function count_if(list, criteria)
   cnt = 0;
   for i,v in ipairs(list) do
      if criteria(v) then cnt = cnt + 1; end
   end
   return cnt;
end

function love.update(dt)
end