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Re: Is this the expected behavior with "default" ?
From: |
Andrew Makhorin |
Subject: |
Re: Is this the expected behavior with "default" ? |
Date: |
Thu, 06 Aug 2020 16:14:26 +0300 |
On Thu, 2020-08-06 at 14:50 +0200, Domingo Alvarez Duarte wrote:
> Hello !
>
> The printf command does show the default value when defined so
> looking
> through the code I think that this can be a fix for this issue:
>
> https://github.com/mingodad/GLPK/commit/e54d6bbe41ba44c8fbecc3f9bc1c7
> 80acd78b118
Please see the document "Modeling Language GNU MathProg"
(glpk/doc/gmpl.pdf), Section 4.8 "Display statement".
>
> Cheers !
>
> On 6/8/20 13:59, Domingo Alvarez Duarte wrote:
> > Hello !
> >
> > With the GMPL model below when we ask to display an entity with a
> > declared "default" value we get nothing but if we indirectly
> > reference
> > then we get the "default" value.
> >
> > ====
> >
> > param Jm, default 3;
> > set J := 1..Jm;
> >
> > display Jm;
> > display J;
> > display Jm;
> > ====
> >
> > Output:
> >
> > ====
> >
> > ...
> >
> > Display statement at line 3
> > Jm has empty content
> > Display statement at line 4
> > J:
> > 1
> > 2
> > 3
> > Display statement at line 5
> > Jm = 3
> > ...
> >
> > ====
> >
> > Cheers !
> >
>
>
Re: Is this the expected behavior with "default" ?, Andrew Makhorin, 2020/08/06