[petsc-dev] MatMatMult gives different results

[Jed Brown]

On Wed, Feb 8, 2012 at 23:39, Alexander Grayver <agrayver at gfz-potsdam.de>wrote:

> It happens within the CG solver with the system matrix which is created
> like this:
> call
> MatCreateShell(MPI_COMM_WORLD,mlocal,nlocal,N,N,PETSC_NULL_INTEGER,H,ierr);CHKERRQ(ierr)
>

This should be fixed in petsc-dev now, can you pull and try again?
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