KineticSort can deal with equal trajectories:
UPolynomial::sign_at_negative_infinity() can handle 0 and so can Simulator::add()
From artemis Mon Feb 25 16:30:10 2008
From: Dmitriy Morozov <morozov@cs.duke.edu>
Date: Mon, 25 Feb 2008 11:29:27 -0500
State: new
Subject: Efficient EventQueue
Message-Id: <ebda8db3f9908e33-0-artemis@metatron>
Change EventQueue to an efficient implementation, e.g., using a Fibonacci heap.