[Rivet] Time for Rivet 2.5.3?

[David Grellscheid]

Fine, then let's go ahead with removing GSL

  David


On 07/12/16 14:00, Chris Pollard wrote:
> To be honest I don't really have details. It was mentioned for one of
> the Atlas top analyses which performs a fit "after unfolding". The
> contact for that analysis is a graduating student who won't have time to
> implement in Rivet, so it's unclear when we will actually have someone
> attempting to write this thing. I think it'd be better if we did not
> provide a fitting library (even via dependency).
> 
> On Wed, Dec 7, 2016 at 1:55 PM, David Grellscheid
> <david.grellscheid at durham.ac.uk <mailto:david.grellscheid at durham.ac.uk>>
> wrote:
> 
> 
>     >>> Amazing, thank you! Changes like that on the "default" branch (aka
>     >>> trunk), please -- and you can re-apply your GSL removal there, if not
>     >>> already done. Thanks!
>     >> Ok will do, Chris however mentioned that some people wanted to use gsl
>     >> stuff in an analysis,
>     >> I think some minimisation stuff, not sure what do do now.
>     >
>     > Hmm, that's a first. Any details, Chris?
>     >
>     > Fits into the general question of "what external libs do we allow?".
>     >
>     > The GSL interface is actually pretty nasty from a C++ perspective, so I
>     > think it'd be best if we could avoid exposing all that raw-C-array, raw
>     > pointers, etc. stuff to analysis users... but what's the alternative?
>     > Pity Minuit isn't available anymore without hauling in the rest of ROOT,
>     > and all its runtime foibles & attempts to grab the wheel :-/
> 
>     I'm still very excited about removing GSL completely, so we'll have to
>     look at that individual case. Is it such a complicated minimization that
>     we need something like Minuit for it or can we make use of a simpler
>     function we can include in the analysis?
> 
>     See you,
> 
>       David
> 
> 
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