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Re: Adding if/then/else statement to GMPL

From: Heinrich Schuchardt
Subject: Re: Adding if/then/else statement to GMPL
Date: Mon, 24 Aug 2020 16:59:45 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.11.0

On 24.08.20 16:33, Domingo Alvarez Duarte wrote:
> Hello Meketon !
> Could you share your view of how it would be expressed (an ideal model
> sample) ?
> If you want to talk about it, maybe I'll be interested in implement it !
> Can you share a collection of models data to be used as base for the
> test/implementation ?

Dear Domingo,

I do not yet understand what was you weren't able to express with the
current syntax.

Instead of

if length(p) == 3 then display "true 3"; else display "false 3";
if length(p) == 5 then display "true 5"; else display "false 5";

you can write:

param p,symbolic := "dad";
display if length(p) == 3 then "true 3" else "false 3";
display if length(p) == 5 then "true 5" else "false 5";

Best regards


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