Re: BrTpcSequence

From: Christian Holm Christensen (cholm@hehi03.nbi.dk)
Date: Wed Jun 27 2001 - 05:26:35 EDT

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    Hi Flemming et al, 
    
    On Tue, 26 Jun 2001 15:01:00 -0400
    "Flemming Videbaek" <videbaek@sgs1.hirg.bnl.gov> wrote
    concerning ": BrTpcSequence":
    > We i.e. Eun-Joo and I have identified a problem with the Root stream
    > methods, that at least for now necessitates a change in
    > BrTpcSequence. 
    
    Good news is, that since we're using ROOT schema evolution, this
    doesn't break anything :-)
     
    > The automatic streamer gives an error complaining about the fAdc
    > [fNseq] claiming that fNseq must be an integer. This is 
    > a priory not a reasonable assumption. Certainly a short should be as
    > good as Int_t , but apperently not so. 
    
    This is an explicit limitation in ROOT (not all reasonable however),
    and my quess is ROOT will remove it (track the thread on roottalk
    start today by me). 
    
    > We thus changed fNseq to be Int_t and committted the change (brat 2).
    
    You can use a UInt_t if the possible sign of fNseq worries you. 
    
    Yours, 
    
    Christian  -----------------------------------------------------------
    Holm Christensen                             Phone:  (+45) 35 35 96 91 
      Sankt Hansgade 23, 1. th.                  Office: (+45) 353  25 305 
      DK-2200 Copenhagen N                       Web:    www.nbi.dk/~cholm    
      Denmark                                    Email:       cholm@nbi.dk
    



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