def strictly_monotonic(bb):
cc=bb[np.where(bb>=<NUM_LIT:0>)]<EOL>cc.sort()<EOL>dc=cc[<NUM_LIT:1>:]-cc[:-<NUM_LIT:1>] <EOL>dc=np.insert(dc,<NUM_LIT:0>,<NUM_LIT:1>) <EOL>dc_mask=np.ma.masked_equal(dc,<NUM_LIT:0>)<EOL>return np.ma.array(cc,mask=dc_mask.mask).compressed()<EOL>
bb is an index array which may have numerous double or triple
occurrences of indices, such as for example the decay_index_pointer.
This method removes all entries <= -, then all dublicates and
finally returns a sorted list of indices.