class="code hl_function" href="classnetdem_1_1_gravity.html#a9172d8fb018fe1b553b3af50070a5788">Init</a>(sim);</div>
<div class="line">  sim-&gt;<a id="a29" name="a29"></a><a class="code hl_variable" href="classnetdem_1_1_simulation.html#a918a87f02a78aed6a311bf90d1061e72">modifier_manager</a>.<a id="a30" name="a30"></a><a class="code hl_function" href="classnetdem_1_1_modifier_manager.html#a6748f7dfd9b3e8e9999c4981684a9945">Insert</a>(&amp;grav);</div>
<div class="line">  sim-&gt;<a class="code hl_variable" 