Adds a more efficient minimisation scheme
Adds a more efficient minimisation scheme


Former-commit-id: b8f7d64a846c1dba00dbc6c9f858fb6c016f53dc [formerly b8f7d64a846c1dba00dbc6c9f858fb6c016f53dc [formerly 94665911bd7e8127e6544e4096efef6c6bbfa09d]]
Former-commit-id: dee08b2492a0a18dbf4c7f36a7fc40ad064b38d9
Former-commit-id: 192458eefceb82db9677b8ae9dd54ccdec606a86
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine