[boost] Re: [boost] Re: [boost] Re: [boost] [gacap]Is any interesting to "Generating All Combinations and Permutations"£¿

From: Ben Bear (benbearchen_at_[hidden])
Date: 2007-12-24 11:23:47

Hello Philip, Merry Christmas.

I readed your previous submission.  It's good:-)   I need time to read
your code.  My msn is benbear1024 at hotmail dot com, if you also use
msn.

Another message:
Herve, my test is put in vault/Algorithms/combination_test_btb.cpp.
And another address:
http://www.bxmy.org/combi/combinatin_test_btb.cpp

I wonder if some of email I sent are lost...

2007/12/24, Philip Garofalo <philgarofalo_at_[hidden]>:
> Hello Ben and Herve, I'm not sure if you already know but there's a previous
> submission for combinations and permutations (mine) in the sequence_algo
> folder of the sandbox. In fact, Herve helped out! :-) I've been away from it
> for five years. Check out the discussion thread in the
> archives. Nevertheless, I like your implementation. It's interesting that
> you chose a sorting method similar to mine, instead of using a parallel
> index array.
>
> Phil Garofalo
>
> On Dec 23, 2007 7:38 PM, Ben Bear <benbearchen_at_[hidden]> wrote:
>
> > Sorry. I had lost too many times.
> >
> >
> > 2007/12/6, Hervé Brönnimann <hervebronnimann_at_[hidden]>:
> > > http://photon.poly.edu/~hbr/boost/combination.hpp
> >
> > My test showed that a bug exists in prev_mapping().  The last sentence
> > of prev_mapping() should be "return false;", but not "return true;".
> > Date of the tested combination.hpp is 2007-12-6.
> >
> > I'll put my test tonight.  It mainly test the increment/decrement of
> > the sequences and the returned flags.
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