GiNaC/ginac lortensor.cpp simp_lor.cpp

[Christian Bauer]

Update of /home/cvs/GiNaC/ginac

Modified Files:
	lortensor.cpp simp_lor.cpp 
Log Message:
- g~mu_mu contraction returns Dim for general Lorentz indices and Dim-dimP
  for orthogonal-only indices