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Re: Full sim: all detected particles have PDG ID zero [message #9390 is a reply to message #9366]

Mon, 14 September 2009 11:17

Ralf Kliemt
Messages: 508
Registered: May 2007
Location: GSI, Darmstadt

first-grade participant

From: *to.infn.it

Hi,

You're right. When calling TF1 * fDensityFunction = new TF1(); you create a new object which is not deleted, when assinging the other object in the constructor. As far as I see it you don't need the new command. Just providing a pointer which is not stored in the class.
I would add a fDensityFunction = new TF1(); in the other constructor to be sure to have at least one object there.

You should also protect your code from crashing when trying to access the external TF1* by checking it before using a functionality i.e. line 152:

if(fDensityFunction) fZ=fDensityFunction->GetRandom();
else fz=SomeOtherRandom();

Kind Regards, Ralf.

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[Message index]

		Full sim: all detected particles have PDG ID zero By: Christian Leitold on Thu, 10 September 2009 10:09
		Re: Full sim: all detected particles have PDG ID zero By: StefanoSpataro on Thu, 10 September 2009 10:21
		Re: Full sim: all detected particles have PDG ID zero By: Christian Leitold on Thu, 10 September 2009 10:27
		Re: Full sim: all detected particles have PDG ID zero By: Klaus Götzen on Thu, 10 September 2009 10:48
		Re: Full sim: all detected particles have PDG ID zero By: Christian Leitold on Thu, 10 September 2009 10:57
		Re: Full sim: all detected particles have PDG ID zero By: StefanoSpataro on Thu, 10 September 2009 11:06
		Re: Full sim: all detected particles have PDG ID zero By: Christian Leitold on Thu, 10 September 2009 11:15
		Re: Full sim: all detected particles have PDG ID zero By: StefanoSpataro on Thu, 10 September 2009 12:00
		Re: Full sim: all detected particles have PDG ID zero By: Christian Leitold on Thu, 10 September 2009 11:29
		Re: Full sim: all detected particles have PDG ID zero By: Christian Leitold on Thu, 10 September 2009 13:36
		Re: Full sim: all detected particles have PDG ID zero By: StefanoSpataro on Thu, 10 September 2009 15:17
		Re: Full sim: all detected particles have PDG ID zero By: Christian Leitold on Thu, 10 September 2009 15:19
		Re: Full sim: all detected particles have PDG ID zero By: Christian Leitold on Fri, 11 September 2009 11:51
		Re: Full sim: all detected particles have PDG ID zero By: Ralf Kliemt on Fri, 11 September 2009 12:34
		Re: Full sim: all detected particles have PDG ID zero By: Christian Leitold on Fri, 11 September 2009 14:15
		Re: Full sim: all detected particles have PDG ID zero By: StefanoSpataro on Fri, 11 September 2009 22:14
		Re: Full sim: all detected particles have PDG ID zero By: Ralf Kliemt on Fri, 11 September 2009 15:15
		Re: Full sim: all detected particles have PDG ID zero By: Christian Leitold on Fri, 11 September 2009 15:26
		Re: Full sim: all detected particles have PDG ID zero By: Christian Leitold on Fri, 11 September 2009 16:06
		Re: Full sim: all detected particles have PDG ID zero By: Christian Leitold on Fri, 11 September 2009 22:56
		Re: Full sim: all detected particles have PDG ID zero By: Ralf Kliemt on Mon, 14 September 2009 11:17
		Re: Full sim: all detected particles have PDG ID zero By: Christian Leitold on Mon, 14 September 2009 11:28

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