RE : [fluka-discuss]: Detect Overflow Error

From: Ferrari Alfredo <alfredoferrari_at_orange.fr>
Date: Sun, 7 Jul 2024 09:26:21 +0200 (CEST)
Dear Alessandro

Your DETECT card results in a zero/negative DeltaE bin since you did not change the default value for what4) which happens to be larger than the value you input for what(3).

From the manual:


     WHAT(3) = maximum total energy to be scored in the detector regions in one
               event, i.e. upper limit of the event distribution
               No default

     WHAT(4) = cutoff energy for the signal (coincidence/anticoincidence
               threshold). The energy deposition event is scored only if a total
               of more than WHAT(4) GeV are/aren't correspondingly deposited in
               the trigger regions.
               Default: 1.E-9 (= 1 eV)

Apart this issue which is the reason for the error, are you really interested in energy depositions event-by-event lower than 1E-10 GeV?

Ciao
Alfredo


Le : 05 juillet 2024 à 15:11 (GMT +02:00)
De : "Alessandro Calamida" <alex.calamida2_at_tiscalinet.it>
À : "fluka-discuss_at_fluka.org" <fluka-discuss@fluka.org>
Objet : [fluka-discuss]: Detect Overflow Error


Dear FLUKA Experts,

I facing with a strange error and searching online I cannot find any
clear solution. I have received this two message errors:

Program received signal SIGFPE: Floating-point exception - erroneous
arithmetic operation.

Backtrace for this error:
#0 0x2b0762f4024f in ???
#1 0x8ad4a2 in master.0.detect
   at /home/psala/git/MYBUILDS/GCC9/fluprogfor/noptmvax/detect.f:165
#2 0x8b2727 in detect_
   at /home/psala/git/MYBUILDS/GCC9/fluprogfor/noptmvax/detect.f:6
#3 0xc94f21 in master.0.geoden
   at /home/psala/git/MYBUILDS/GCC9/fluprogfor/geolatmvax/geoden.f:118
#4 0xc95a9c in geoden_
   at /home/psala/git/MYBUILDS/GCC9/fluprogfor/geolatmvax/geoden.f:6
#5 0xe3f8f8 in master.0.emfsco
   at /home/psala/git/MYBUILDS/GCC9/fluprogfor/emfmvax/emfsco.f:197
#6 0xc56323 in photon_
   at /home/psala/git/MYBUILDS/GCC9/fluprogfor/emfmvax/photon.f:1608
#7 0xc4d4b6 in kasemf_
   at /home/psala/git/MYBUILDS/GCC9/fluprogfor/emfmvax/kasemf.f:217
#8 0x9f0b0d in kaskad_
   at /home/psala/git/MYBUILDS/GCC9/fluprogfor/kaskadmvax/kaskad.f:4555
#9 0x9de641 in feeder_
   at /home/psala/git/MYBUILDS/GCC9/fluprogfor/kaskadmvax/feeder.f:311
#10 0x853db8 in flukam_
   at /home/psala/git/MYBUILDS/GCC9/fluprogfor/mainmvax/flukam.f:4008
#11 0x4033b9 in fluka
   at /home/psala/git/MYBUILDS/GCC9/fluprogfor/mainmvax/fluka.f:360
#12 0x4033b9 in main
   at /home/psala/git/MYBUILDS/GCC9/fluprogfor/mainmvax/(USFLMD):32

And

*** Detect: histogram overflow       2490           1 8.85441480E-08 ****

The problem could be correlated with the DETECT scoring card?

I attach to this email the error messages and the input.

Best regards and thank you for your time, Alessandro Calamida.



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