Re: [Daqpp-forum] vmedaq analysis on 64bit ...

[Carlos L. <Car...@if...>]

Hi Matej,

Thanks for spottig that. I'll fix that.

REgards,

CArlos

On Mon, 2007-02-12 at 15:22 +0100, Matej Batič wrote:
> I have just realised that the problem lies in using unsigned long when 
> writing/reading data. On 32bit sizeof(int)=sizeof(unsigned 
> int)=sizeof(long)=sizeof(unsigned long) whereas on 64 bit 
> sizeof(int)=sizeof(unsigned int) but sizeof(unsigned long) is twice the 
> sizeof(unsigned int).
> 
> Would find/replace script converting "unsigned long" to "unsigned int" on 
> vmedaq/ folder (recursively) solve the problem?
> 
> Best, etc
> Matej
> 
> 
> On Monday 12 February 2007 09:10:24 Matej Batič wrote:
> > I have tried to compile vmedaq on 64bit machine and it fails...
> >
> > The problem lies in (output from make command)
> >
> > make[3]: Entering directory `/opt/brachy/daqpp-cvs/vmedaq/gui'
> > RunMenu.cc: In function ‘gboolean do_send_command(Runmenu*)’:
> > RunMenu.cc:32: error: cast from ‘void*’ to ‘int’ loses precision
> >
> > make[3]: Entering directory `/opt/brachy/daqpp-cvs/vmedaq/modules'
> > MyModuleGuiConfig.cc: In static member function 'static void
> > MyModuleGuiConfig::onBtnToggled(GtkWidget*, MyModuleGuiConfig*)':
> > MyModuleGuiConfig.cc:269: error: cast from 'void*' to 'int' loses precision
> > MyModuleGuiConfig.cc:270: error: cast from 'void*' to 'int' loses precision
> > MyModuleGuiConfig.cc: In static member function 'static void
> > MyModuleGuiConfig::onTxtChanged(GtkWidget*, MyModuleGuiConfig*)':
> > MyModuleGuiConfig.cc:345: error: cast from 'void*' to 'int' loses precision
> >
> >
> > These errors are solved with casting to long instead of int:
> > //mat...@ij...
> > //int thing = (int)ptr_to_sth;
> > long thing = (long)ptr_to_sth;
> >
> > So, compiled code seems to work somehow. But simple observer class with
> > only DataRecord implemented, where some variable is increased on each new
> > data record (so data counting observer) tells me that there are exactly
> > 5000 data records in the file with 10000 data records. The is to be
> > expected, since on 32bit machine:
> > size of int  = 4
> > size of long = 4
> >
> > but on 64bit:
> > size of int  = 4
> > size of long = 8
> >
> > I expect that everything would work if the data were taken on 64bit machine
> > and then analyzed on 64bit as well, but I have 32bit machine in my setup,
> > but I would like to use (brand new and very fast :-) ) 4-processor 64bit
> > computer for analysis. I also would not like to use 32bit precompiled
> > binaries on 64bit, since I use shared libraries (ROOT mostly).
> >
> > So, any suggestion will be highly appreciated and forever praised :-)
> >
> > Best, etc,
> > Matej
> >
> > -------------------------------------------------------------------------
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> 
> 
> 
> -------------------------------------------------------------------------
> Using Tomcat but need to do more? Need to support web services, security?
> Get stuff done quickly with pre-integrated technology to make your job easier.
> Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo
> http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642
> _______________________________________________
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-- 
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