move constant b4 into COEFFS table
move constant b4 into COEFFS table


Former-commit-id: 789151afd746622d25fd968c3d8d591c64da4442 [formerly 5fd201a5e4c7f619dc04c95451fc0d05cf4e4ab5]
Former-commit-id: 8c9b4367031666a90d3c70fb527736fd3101603d
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine