calcs/hazard/classical/core:
calcs/hazard/classical/core:

Added handling for a corner case so the query block size doesn't get set to
zero.


Former-commit-id: 6e0f0fc589aa9f433934d8156cd1189020f09046 [formerly e37e0e9a82279fb4a990a141d9225fab0cb2efff] [formerly e37e0e9a82279fb4a990a141d9225fab0cb2efff [formerly 039d5ae5b912b6a115ee4023b251a18d15e76cf1]]
Former-commit-id: 0472b2b2f885719606f37ee88aa6fe793c03f965
Former-commit-id: c0392e18b94fe8e6eacd61aafeebb4f426e69b25
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine