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[Help-gsl] Re: Problem with gsl_rng_alloc


From: Olivier Tournaire
Subject: [Help-gsl] Re: Problem with gsl_rng_alloc
Date: Sat, 10 Nov 2007 19:19:07 +0100

OK, I found the answer. Have to add the flag GSL_DLL ...

2007/11/10, Olivier Tournaire <address@hidden>:
>
> Hi all,
>
> I have a problem when I try to use random number generation. Here is my
> code:
>
>
>     unsigned long int seed;
> #ifdef __WINDOWS__
>     seed = unsigned long int(GetTickCount());
>     std::cout << "Windows !" << std::endl;
>     std::cout << seed << std::endl;
> #endif
> #ifdef __LINUX__
>     struct timeval tv;
>     gettimeofday(&tv,0);
>     seed = tv.tv_sec + tv.tv_usec;
> #endif
> #ifdef __MAC__
>     struct timeval tv;
>     gettimeofday(&tv,0);
>     seed = tv.tv_sec + tv.tv_usec;
> #endif
>
>     // Initialisation de l'environnement GSL pour la generation de nombres
> aleatoires
>     gsl_rng_env_setup();
>     GSL_RNG_TYPE_ = gsl_rng_taus; // in the hpp : const gsl_rng_type
> *GSL_RNG_TYPE_;
>     GSL_RNG_ = gsl_rng_alloc (gsl_rng_taus); // run-time error here !
>     gsl_rng_set(GSL_RNG_,seed);
>
> Can you tell me what is the problem ?
>
> Regards
>
> --
> Le temps des cerises reviendra. Dans l'immédiat, c'est le temps des
> noyaux. Courage.




-- 
Le temps des cerises reviendra. Dans l'immédiat, c'est le temps des noyaux.
Courage.


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