t53o_DS20_DDB
C in diamond structure; Very rough 2x2x2 special point grid; low ecut.
3
t50o_DS3_DDB
t50o_DS4_DDB
t50o_DS5_DDB

#%%<BEGIN TEST_INFO>
#%% [setup]
#%% executable = mrgddb
#%% test_chain = t50.in, t51.in, t52.in, t53.in, t54.in, t55.in, t56.in
#%% [files]
#%% files_to_test =
#%%   t51.stdout, tolnlines = 0, tolabs = 0.0, tolrel = 0.0
#%% [paral_info]
#%% max_nprocs = 1
#%% [shell]
#%% post_commands = ww_cp t53o_DS20_DDB t54o_DS20_DDB; ww_cp t53o_DS20_DDB t55o_DS20_DDB; ww_cp t53o_DS20_DDB t56o_DS20_DDB
#%% [extra_info]
#%% authors = M. Giantomassi
#%% keywords = NC, DFPT, EPH
#%% description = Merge the DDB files produced in t50.in
#%%<END TEST_INFO>