[Cgl] Extracting Gomory cuts

Ashutosh Mahajan asm4 at lehigh.edu
Thu Jan 7 00:36:30 EST 2010


On Wed, 06 Jan 2010, sj10 at cs.brown.edu wrote:

>    Thanks for the reply. Unfortunately now the loadProblem method of
>    OsiClpSolverInterface is segfaulting. According to the Doxygen docs, the
>    signature for the loadProblem method in OsiSymSolverInterface and
>    OsiClpSolverInterface is the same and they both accept column major
>    representation of the matrix.
> 
>      Do you know why this might be happening? 

i would suggest running the binary through a debugger like gdb or a profiler
like valgrind. it is difficult to guess what is causing the problem. posting
the relevant bits of code and the version of Osi you are using might help.

--
regards
Ashutosh Mahajan
http://coral.ie.lehigh.edu/~asm4




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