Re: [Boost-users] Mersenne twister problem

Subject: Re: [Boost-users] Mersenne twister problem
From: Matthias Troyer (troyer_at_[hidden])
Date: 2009-09-16 15:34:37

On 16 Sep 2009, at 10:38, ruya wrote:

>
> SType is not a SearchFunctor. It is a template parameter of  
> SearchFunctor.
> Look, I am not a professional coder or something. I could accept  
> that my
> code has memory leaks, except that I monitored the memory usage and  
> it is
> stable and quite small too. I have three other algorithms using the  
> same
> SearchFunctors and the behavior is as expected and no memory leaks.
> As for the complication that my code appears to be to you, how would  
> you
> simplify it? You argued before that you would do it diferently and  
> avoid for
> sure the segmentation fault.
>>>
>>>   SearchFunctor(){
>>>     memh = MemHandler();
>>>     generator1 = base_generator_type(MASTER_SEED+13);
>>>     uni_dist1 = boost::uniform_real<>(0,1);
>>>     uniEmp = new GeneratorI(generator1, uni_dist1);
>>>     generator2 = base_generator_type(MASTER_SEED+17);
>>>     uni_dist2 = boost::uniform_real<>(0,1);
>>>     uniRes = new GeneratorI(generator2, uni_dist2);
>>>   }
>>> protected:
>>>   virtual ~SearchFunctor(){}

Just look at this code fragment: you allocate memory in the  
constructor using new and never release it using delete