Re: Is this the expected behavior with "default" ?

[Andrew Makhorin]

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 !
> > 
> 
>