Re: [ns] RNG

[Haobo Yu <haoboy@isi.edu>]

Use seed 0 for heuristic seed. 

- Haobo

On Fri, 14 Apr 2000, Ivan Ponzanelli wrote:

> Hello,
> I have a provlem using a Random Number Generator.
> I use a random number generator for draw the instant of beginning of FTP sessions.
> I use an exponential distribution of average "avg":
>     
>     set rng1($i) [new RNG] 
>     $rng1 seed HEURISTIC_SEED_SOURCE
>     set x [$rng1 exponential $avg]
>     
> The problem is that when it has reached the 990� casual element, the simulator answers with:
> 
>     too many nested calls to Tcl_EvalObj (infinite loop?)
>     while executing
> 
> Any suggestions?
> 
> Thanks.
> Ivan
> 
> 
>