Fix up ellipse arc approximation.
commit4be3ce9901d4c740064946611959dafdcdaec45e
authorZach Beane <xach@xach.com>
Tue, 14 Oct 2014 23:46:08 +0000 (14 19:46 -0400)
committerZach Beane <xach@xach.com>
Tue, 14 Oct 2014 23:46:08 +0000 (14 19:46 -0400)
treea197b6740cf787fca8bcb45c1046785d1d8e104c
parentdc09a35884aa420dc3ed64fdba5010d893d52db4
Fix up ellipse arc approximation.

The previous version could blow the stack.
arc.lisp