[Trilinos-Users] problems with EpetraExt::MatrixMatrix::Multiply

[Heroux, Mike]

Hi Jonas,

This code has been modified quite a bit between the past two releases.  The message you are seeing could be a bug in the new EpetraExt code, but could also be the detection of some issue in your data.

I did not write this new code, so I can't give more details.  Others can do that.  But it might be worth confirming that you have built the right matrix.

Mike


On Sep 8, 2013, at 7:54 AM, "Jonas.Thies at dlr.de<mailto:Jonas.Thies at dlr.de>" <Jonas.Thies at dlr.de<mailto:Jonas.Thies at dlr.de>> wrote:

Hi,

after upgrading from Trilinos 11.2 to 11.4 I’m getting an exception in
EpetraExt::MatrixMatrix::Multiply, namely this one:
p=1: *** Caught standard std::exception of type 'std::runtime_error' :

Epetra_MpiDistributor::CreateRecvStructures_ expected RemotePIDs to be in sorted order

I’ve noticed that the MatrixMatrix::Multiply has changed substantially, so I’m wondering if a bug was introduced.
My code always worked fine with the old version and the results were as expected (although I never explicitly tested
the Multiply itself).

Any ideas?

Thanks,
Jonas

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