Resolve "RINGDEFITION: Particle #0"
Closes #5 (closed) and #6 (closed) by throwing an exception if h<= 0.0, with h the mesh size
Code indexing in gitaly is broken and leads to code not being visible to the user. We work on the issue with highest priority.
Closes #5 (closed) and #6 (closed) by throwing an exception if h<= 0.0, with h the mesh size