bugfix: the rowidx has not been propagated among the threads which caused it to have wrong values. thanks to Andreas P. for the hint
bugfix: the rowidx has not been propagated among the threads which caused it to have wrong values. thanks to Andreas P. for the hint

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