RE: [fluka-discuss]: The following floating point exceptions are signalling : IEEE UNDERFLOW FLAG IEE DENORMAL

From: riya dey <riyadey_at_barc.gov.in>
Date: Thu, 12 Jul 2018 11:13:18 +0530

Dear Expert,

The statement is appearing still. The modified source file is attached here.

 

 

 

 

From: owner-fluka-discuss_at_mi.infn.it [mailto:owner-fluka-discuss_at_mi.infn.it] On Behalf Of Luigi Salvatore Esposito
Sent: 12 July 2018 10:50
To: riya dey <riyadey_at_barc.gov.in>
Cc: fluka-discuss_at_fluka.org
Subject: Re: [fluka-discuss]: The following floating point exceptions are signalling : IEEE UNDERFLOW FLAG IEE DENORMAL

 

Dear Riya,

not sure if it can be fix the warning, but there are several single precision numbers in your source routine.

 

Try to change all into double precision. For example

STHETA = SQRT(ONEONE-CTHETA**2.0)

->

STHETA = SQRT(ONEONE-CTHETA**2.0D+0)

 

Cheers, luigi

 





On 12 Jul 2018, at 06:31, riya dey <riyadey_at_barc.gov.in <mailto:riyadey_at_barc.gov.in> > wrote:

 

Dear FLUKA Experts,

 

While printing x ,y, z in log file , I find the following line at the beginning of the log file.

 

“The following floating point exceptions are signalling : IEEE UNDERFLOW FLAG IEE DENORMAL.”

 

The values are printing fine. But I want to know what is the meaning of the above statement and what might be the possible reason for it.

 

The source file is attached here.

 

With regards,

Riya Dey

<source_0.1.f>

 





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Received on Thu Jul 12 2018 - 09:03:41 CEST

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