Re: Error when adding THnSparseD objects

Hello,

are there any news about this bug?

Thanks, best regards

        Alberto

Fons Rademakers wrote:
> Hi Alberto,
>
> no we cannot detect if the files were written on 32 or 64-bit
> machines. If you still remember on which platforms the files were
> generated you could, using the latest version of ROOT, merge all 32-bit
> files on a 32-bit machine and all 64-bit files on a 64-bit machine. This
> will create THnSparse objects that are machine independent (as they are
> written with the latest version). As a last step you can merge these
> "pre-merged" files on any machine using the latest ROOT.
>
> Cheers, Fons.
>
>
>
> Alberto Pulvirenti wrote:

>> Hello,
>>
>> in case one has some files with THnSparseD objects produced time ago, 
>> when the bug was present, will he be forced to re-produce those 
>> outputs with the new patched release, or the new release will be able 
>> to deal even with those files?
>>
>> Thanks, best regards
>>
>>     Alberto
>>
>> Axel Naumann wrote:
>>> Hi,
>>>
>>> this was a bug in the persistency of TExMap which is used by 
>>> THnSparse. The bug is already fixed in the trunk and will get fixed 
>>> in v5-24-00-patches soon, so it should arrive at Alice soon. With 
>>> that fix I can read and write files with a THnSparse in any 
>>> combination of writing / reading and 64 or 32 bits.
>>>
>>> Thanks for the report!
>>>
>>> Cheers, Axel.
>>>
>>> Axel Naumann wrote on 07/21/2009 12:05 PM:
>>>> Hi Alberto,
>>>>
>>>> your files work for me - I can run
>>>>
>>>> $ hadd fileadd.root file1.root file2.root
>>>> Target file: fileadd.root
>>>> Source file 1: file1.root
>>>> Source file 2: file2.root
>>>> Target path: fileadd.root:/
>>>>
>>>> just fine with the trunk. Which version do you use? What platform 
>>>> are you on?
>>>>
>>>> Cheers, Axel.
>>>>
>>>> Alberto Pulvirenti wrote on 07/21/2009 10:52 AM:
>>>>> I'll try.
>>>>> Hope that they are not too large to be attached in an email.
>>>>> I find that this error appears also if I use 'hadd'.
>>>>>
>>>>> Cheers
>>>>>
>>>>>     Alberto
>>>>>
>>>>> Axel Naumann wrote:
>>>>>> Hi Alberto,
>>>>>>
>>>>>> can you send me the two files or better yet the two THnSparse for 
>>>>>> which
>>>>>> this happens?
>>>>>>
>>>>>> Cheers, Axel.
>>>>>>
>>>>>> On 2009-07-21 10:46, Alberto Pulvirenti wrote:
>>>>>>> Dear all,
>>>>>>>
>>>>>>> I have two files which are outputs of the same analysis done on
>>>>>>> different data sets. Each file contains a TList of THnSparseD 
>>>>>>> objects
>>>>>>> with well-specified names.
>>>>>>>
>>>>>>> I want to generate a file with the same structure, where each 
>>>>>>> THnSparseD
>>>>>>>  should be the sum of the two omonyme objects in the source files.
>>>>>>>
>>>>>>> I managed to prepare a macro which reads the two files and adds 
>>>>>>> up the
>>>>>>> two such histograms, but I always encounter a warning like this
>>>>>>>
>>>>>>> Error in <TExMap::Expand>: slot 568 not empty (should never happen)
>>>>>>>
>>>>>>> what does it mean? How can I check it?
>>>>>>>
>>>>>>> Thanks, cheers
>>>>>>>
>>>>>>>     Alberto
>>>>>>>
>>>>>>>
>>>>
>>>>
>>