RE: root 4.04/02 possible bugs and suggestions

From: Thomas Bretz <tbretz_at_astro.uni-wuerzburg.de>
Date: Fri, 13 May 2005 22:33:31 +0200 (CEST)


Hey...

this are good news for Friday the 13th!

Thanks a lot.
Thomas.

On Fri, 13 May 2005, Philippe Canal wrote:

> Hi Thomas,
>
> We just updated the ROOT code to remove the use of BIT(17) in TTree.
> It turns out that this single bit was anyway insufficient to properly
> implemented the mechanism that needed it.
>
> We will create a branch in the CVS repository to add this patch to
> the ROOT 4.04.xx source.
>
> Cheers,
> Philippe.
>
> -----Original Message-----
> From: owner-roottalk_at_pcroot.cern.ch [mailto:owner-roottalk_at_pcroot.cern.ch]
> On Behalf Of Thomas Bretz
> Sent: Monday, May 09, 2005 5:40 AM
> To: roottalk_at_pcroot.cern.ch
> Subject: [ROOT] root 4.04/02 possible bugs and suggestions
>
> Dear all,
>
> using the new pro-version with our analysis software I found a lot of
> stuff, which I like to tell you:
>
> * In TTree you are using a BIT(17) for internal usage. In TObject you
> say BIT(14)-BIT(23) are reserved for users use. I now have used already
> BIT(17) for something different. This results in old files (10TB) we
> have written being incompatible with root 4.04. I have changed it now to
> BIT(23) for the future. How can I manage to read this old files (without
> patching root). This BIT(17) is for internal use only. Maybe you can
> replace it by a bool (with //!) ?
>
> ... issue regargind graphics and other stuff omitted ...
>
> BTW: Independant of all critics: root 4.04/02 seems to work very well
> and behaves stable. I like the new version!
>
> Best regards,
> Thomas.
>
Received on Fri May 13 2005 - 22:41:18 MEST

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