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Re: Try experimental GMPL extensions online

From: Domingo Alvarez Duarte
Subject: Re: Try experimental GMPL extensions online
Date: Mon, 21 Sep 2020 11:53:19 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0

Hello Karl !

Thank you for reporting it !

It was an assertion with side effects that I missed on my previous review, here is the fix , I also updated the online

One thing still reamain to be fixed, I noticed that the online glpsol solves the hashi.mod a lot faster with the "--cuts" parameter but on my branch the native glpsol is not as fast the online version (it's a lot slower).

Cheers !

On 20/9/20 12:55, Karl Ove Hufthammer wrote:
Domingo Alvarez Duarte skreiv 05.09.2020 13:24:
After looking around and with the help of the author of I managed to compile to wasm and make it available here for anyone to experiment with the extensions I made to GMPL/glpsol and if possible give feedback/suggestion/comment.

Thanks for making this available online. I guess the following is not specifically related to your extensions, but FYI if I run the ‘hashi-if.mod’ example and add ‘--cuts’ to the command-line argument, glpsol crashes:

Cuts on level 0: gmi = 10; mir = 28; cov = 33; clq = 3;
glp_eval_tab_row: basis factorization does not exist
Error detected in file /home/mingo/dev/lp/GLPK-dad-master-if/src/draft/glpapi12.c at line 811
exception thrown: RuntimeError: abort(undefined). Build with -s ASSERTIONS=1 for more info.,RuntimeError: abort(undefined). Build with -s ASSERTIONS=1 for more info.

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