Hi!
Here is a patch that adds the operation of complex conjugation to GiNaC.
On strings of gamma matrices, it acts as hermitian conjugation. On
function the default behaviour is to complex conjugate all arguments of
the function. A different behaviour can be specified by using a function
option. The patch also includes my previous patch to for the expansion of
muls and powers, because nobody seems to have read my mail about that yet.
Have a nice day,
Chris Dams