[gecode-users] Random Distributions (INT_VAL_RAND)

[Guido Tack]

Have a look at Sect. 8.8 in MPG, it shows how to implement a custom value selection strategy.

Cheers,
Guido

On 11 Apr 2014, at 5:38 pm, negate273 at gmail.com wrote:

> Are there any implementations for different random distributions for integer *value* selection, besides the uniform distribution supported by INT_VAL_RND() ? For Eg. I’d like the values to be distributed based on a normal distribution or maybe a logarithmic distribution. 
> If not, can you point me to some code which would be a good starting point to implement such a value selection method, as I’m not sure where the implementation for INT_VAL_RND exists ? Is it in gecode/int/branch/val-sel-commit.cpp ?
> There was a thread in May 2009 titled “How to set an arbitrary RandomGenerator for randomized branching”, but  not sure if it ever got implemented ?
> 
> Thanks, ~az 
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