the mpicomm in the gemm routine is now taken from v rather than the result x, this allows x to be a 'replicated serial dense matrix' without a comm. The xgemm routine should now work for x=v'w and w=v*x, where x does not have a comm, which are the most likely uses (I think)
the mpicomm in the gemm routine is now taken from v rather than the result
x, this allows x to be a 'replicated serial dense matrix' without a comm.
The xgemm routine should now work for x=v'w and w=v*x, where x does not have
a comm, which are the most likely uses (I think)

RRZE-HPC/GHOST,RRZE-HPC/GHOST,RRZE-HPC/GHOST,RRZE-HPC/GHOST