  23</span>&#160;<span class="preprocessor">#ifndef _MAP_HPP_</span></div>
<div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160;<span class="preprocessor">#define _MAP_HPP_</span></div>
<div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160; </div>
<div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="vector2d_8hpp.html">vector2d.hpp</a>&quot;</span></div>
<div class="line"