Fixed the precision in ucerf_test
Fixed the precision in ucerf_test


Former-commit-id: 5813a16101bd01ef8e99488f630f66fd9047bdd6 [formerly 5813a16101bd01ef8e99488f630f66fd9047bdd6 [formerly 633ea7177fd4b5800120f989d33b39ff5eee1e30]]
Former-commit-id: 87de0295ce446a3bdbfb3f1170d656df1e31eb18
Former-commit-id: 82a85e23ee407b16a229641ac999919472862622
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine