draft-diffrn-data-set-extension-20161223.dic specifies that phi_value >= 0.0, so work around that for datasets with negative scan angles (prefer that the dictionary is changed though)
draft-diffrn-data-set-extension-20161223.dic specifies that phi_value >= 0.0, so work around that for datasets with negative scan angles (prefer that the dictionary is changed though)

dials/dials,dials/dials,dials/dials,dials/dials,dials/dials