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

From: Ben Bear (benbearchen_at_[hidden])
Date: 2007-12-05 20:12:24

Herve:
   Excuse me, I just can't find the proposal in the vault.  Your
combination proposal page,
[http://photon.poly.edu/~hbr/boost/combinations.html], is also not
updated.

2007/12/4, Herve Bronnimann <hervebronnimann_at_[hidden]>:
> Ben:  Sorry for the radio silence, but time was well used.  I have a full Boost library proposal articulated around your code with my modifications.  I'll upload to the vault tonight...  It has extensive example and full testing.
>
> I also am working on a proposal for C++0x, or the TR2 if it can't be made to squeeze in.  I'm hoping Howard Hinnant will sponsor the proposal given that he's more or less proposed such a library in the past (see his web site).  Howard, if you read this, I'll contact you soon.
>
> TTYS,
> --
> Herve Bronnimann
> hervebronnimann_at_[hidden]
>
>
> On Tuesday, December 04, 2007, at 09:10AM, "Ben Bear" <benbearchen_at_[hidden]> wrote:
> >HB:
> >  Hi.  I saw that you were back.  Shall we continue with the proposal?
> > I wonder if you have time...
> >
> >  I update the gacap to 0.0.9.1.  It contains functions discussed in
> >the proposal.  A example exam_hbr.cpp show those functions.  There's
> >no test for those functions yet.  Well, I'll write some tests that are
> >different from your,  I like to wrap them.
> >
> >
> >  gacap-0.0.9.1 also contains a extended version of "Generating All
> >Combinations and Permutations".  Those gacap-ex algorithms are really
> >generating ALL combinations and permutations, the length of selected
> >subset from 0 to N.
> >
> >  For example all combinations for {1, 2, 3}:
> >{}
> >{1}
> >{1 2}
> >{1 2 3}
> >{2}
> >{2 3}
> >{3}
> >
> >
> >2007/11/15, Ben Bear <benbearchen_at_[hidden]>:
> >> next_combination:
> >> Effects: ..., ... "both [first,last) and [first, middle)" are sorted
> >> is not satisfied, ...
> >> ----
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