GiNaC/ginac clifford.cpp idx.cpp indexed.cpp indexed.h inifcns.cpp inifcns.h matrix.cpp tensor.cpp utils.h

[Christian Bauer]

Update of /home/cvs/GiNaC/ginac

Modified Files:
	clifford.cpp idx.cpp indexed.cpp indexed.h inifcns.cpp 
	inifcns.h matrix.cpp tensor.cpp utils.h 
Log Message:
- added symmetrize() and antisymmetrize() functions
- generalized permutation_sign() template
- moved shaker_sort() template to utils.h