generalized eigensystems

[Brian Gough]

At Fri, 30 Mar 2007 15:33:59 -0600,
Patrick Alken wrote:
> Sorry for the delay - the last few weeks have been busy. I believe
> I've solved all the -O2 problems and the single/double precision
> issues now. The latest CVS has the updates.

Thanks. I've added some changes to make the gsl_isinf/isnan/finite
functions always default to the system versions where available. 

-- 
Brian Gough