simon-svn: gonville: simon

[Commits to Tartarus CVS repository.]

SVN root:       svn://svn.tartarus.org/sgt
Changes by:     simon
Revision:       8705
Date:           2009-10-14 18:33:08 +0100 (Wed, 14 Oct 2009)

Log message (3 lines):
Taking the dot product of two unit vectors can occasionally come to
more than 1, if they're copies of the same vector but with slightly
different rounding errors. Clip to avoid domain error in acos.

Modified files:
U   gonville/curves.py

Links:
http://svn.tartarus.org/sgt/?rev=8705&view=rev
http://svn.tartarus.org/sgt/gonville/curves.py?rev=8705&r1=8704&r2=8705