Re: [Help-glpk] What can cause the error "Error detected in file glpios02.c"

[Michael Hennebry]

On Wed, 21 Jul 2010, Serveh Shalmashi wrote:

> I am using GLPK under octave interface for a mixed integer programming 
> problem, however when running the solver I am facing the following error:
>
> Assertion failed: a != a

The implication is that a is a NaN (not a number).
Somewhere a divison by 0, the square root of -1 or something
produced a NaN instead of aborting like a good debuggable program.
The NaN propagated until one of its children hit
the assertation designed just for such problems.

> Error detected in file glpios02.c at line 134
> panic: Aborted -- stopping myself...

--
Michael   address@hidden
"Pessimist: The glass is half empty.
Optimist:   The glass is half full.
Engineer:   The glass is twice as big as it needs to be."