[Clp] COIN-CLP e OSL startups correlation in ClpSimplexPrimal::primal method

[Migor]

Thanks mr. John. I followed your advice.

2010/12/17 John Forrest <john.forrest at fastercoin.com>

> Michel,
>
> The following is approximate (just looking at recommended settings for
> OSL and Clp)
>
> ekk_setIdevexMode - the equivalent method is mode in Constructor of
> ClpPrimalColumnSteepest
> 1 has no equivalent in Clp (I would translate as 0)
> 2 translates to 0
> 3 translates to 1
>
> For startup mode
>
> 0,1,2 correspond approximately to ifValuesPass=0
> 3 normally corresponds to ifValuesPass=1
> You can use setIstopMode to make 3 correspond to ifValuesPass=2 (i.e.
> stop after values pass).
>
> John Forrest
>
> On Thu, 2010-12-16 at 14:58 -0200, Michel Igor de Almeida Ennes wrote:
> > Hello all,
> >
> > I'm trying to create a COIN-CLP/OSL interface.
> > How do I correlate the startup modes of the OSL ekk_primalSimplex
> function with the ifValuesPass parameter of the COIN-CLP
> ClpSimplexPrimal::primal method?
> >
> > What is the relationship of the idevexMode parameter in the
> ekk_setIdevexMode and the possibles modes of the ClpPrimalColumnSteepest
> method?
> > I think ekk_setIdevexMode is a suboption of the ekk_primalSimplex startup
> modes, but the ClpPrimalColumnSteepest modes are the startup main options in
> the COIN-CLP.
> >
> > That is correct?
> >
> >
> > Thanks, Michel Igor
> >
> >
> >
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>
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-- 
Michel Igor

Eng. Eletrônico e de Computação - UFRJ
Mestrando em Eng. de Sistemas e Computação - PESC/COPPE
Analista de Projetos - CEPEL (Grupo Eletrobrás)
Professor Física/Matemática - Curso Predileção
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