def delete_all_syncs(data, st=None):
"""
Delete all sync events. We can do this after all sufficient pre-filtering has been done,
after that all relevant timing information is in absolute time and sync time.
"""
if len(data) == 0:
return np.zeros((0, 3), dtype='u8'), np.array([], dtype='u8')
t0 = time.time()
print '* delete all syncs... ',
delete_idxs = T2_tools.get_sync_idxs(data)
data = np.delete(data, delete_idxs, axis=0)
if st != None:
st = np.delete(st, delete_idxs)
t1 = time.time() - t0
print 'done ({:.2f} s).'.format(t1)
if st != None:
return data, st
else:
return data
