Since GiNaC 0.6.2 silently slipped by...

[Richard B. Kreckel]

...here is GiNaC 0.6.3.  You may download it from the usual ftp-site.  We
also provide read-only access through anonymous CVS now!  You may set up
your local copy somehow like this:

$ cvs -d :pserver:anoncvs at cvsthep.physik.uni-mainz.de:/home/cvs login
enter the password `anoncvs'
$ cvs -d :pserver:anoncvs at cvsthep.physik.uni-mainz.de:/home/cvs -z 9 co GiNaC

and later keep up-to-date by simply saying 'cvs update' in your GiNaC
directory.  Here is what's new in version 0.6.3 (0.6.2 only brought
changes related to GiNaC-cint):

1 Derivatives are now assembled in a slightly different manner (i.e. they
  might 'look' different on first sight).  Under certain circumstances this
  can result in a dramatic speedup because it gives hashing a better chance,
  especially when computing higher derivatives.
2 Some series expansions of built-in functions have been reengineered.
3 The algorithm for computing determinants can be chosen by the user.  See
  ginac/flags.h and ginac/matrix.h.
4 The Dilogarithm (Li2) now has floating point evaluation, derivative and a
  proper series expansion.
5 Namespace 'std' cleanly disentangled, as demanded by ISO/EIC 14882-1998(E).
6 Some minor bugfixes, one major lsolve()-bugfix and documentation updates.

Item 5 should facilitate a transition to GCC3 once the first beta versions
become available.  The current status of that project is too fragile to
give it a real test.  Note also, that Cint 5.14.44 (the current release)
seems to be rather broken.  For those interested in GiNaC-Cint: please use
release 5.14.41, i.e. the 'previous' one, to be found on our FTP-server.
And no, there were no releases in between, sigh.

Sex and drugs and algebra
                      -richy.
-- 
Richard B. Kreckel
<kreckel at ginac.de>
<http://www.ginac.de/~kreckel/>


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