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[Bug-glpk] cycling in the simplex method
From: |
Ali Baharev |
Subject: |
[Bug-glpk] cycling in the simplex method |
Date: |
Sat, 8 Aug 2009 21:26:07 +0200 |
Dear Andrew,
I made a hexadecimal dump of the floating point numbers in my LP
problem. With the attached files, I can reproduce cycling on different
machines and operating systems using different compilers. Just make
sure your compiler supports the %la conversion properly (C99,
hexadecimal input of floating point double).
The LP problem is extremely badly scaled. For me, it would be
perfectly acceptable if the solver reported numerical problems and
gave up the solution procedure.
Many thanks,
Ali
dump
Description: Binary data
main.cpp
Description: Text Data
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