first implementation of scattered CUDA SpMV. only works for scattered columns at the moment (error otherwise) and same mask for in- and output densemat. so for the relevant cases this fixes #26 and for the rest it will be done at some time.
first implementation of scattered CUDA SpMV. only works for scattered columns at the moment (error otherwise) and same mask for in- and output densemat. so for the relevant cases this fixes #26 and for the rest it will be done at some time.

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