Re: [ROOT] TLorentzVector

From: Rene Brun (Rene.Brun@cern.ch)
Date: Fri May 25 2001 - 17:20:20 MEST


Hi Matt,

The M and M2 functions have always been and still are in TLorentzVector.
Try the following in an interactive session:

root > gSystem->Load("libPhysics");
root > TLorentzVector junk(1,2,3,4);
root > junk.M()
root > junk.M2()

Rene Brun

Matthew Bellis wrote:
> 
> Hi Root users,
> 
>     I recently installed v3.00.06 on my Debian machine. I used the
> linuxdeb2 architecture for configure, but I changed the compiler to gcc,
> instead of egcc.
> 
>     I am finding though that I cannot access the M() or M2() member
> functions of a TLorentzVector. I have tried filling the Vector a number
> of ways, but it always hangs the program when I try to acess these
> functions.
> 
>     Has anyone else encountered this problem? It used to work fine with
> v2.23. Otherwise the newer version seems to be fine.
> 
> Matt Bellis
> RPI



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