#test silicon linear chain : generate potential and wf at k
 acell   3*10.00                                                                
 densty 1.2
 diemac 12.0d0
 ecut  1.20                                                                    
 intxc 1
 kpt                                                                           
   0.00000   0.00000   0.00000
 natom  2 nband 04                                                             
 ngfft  3*16 
 nkpt  1                                                             
 nline 2                                                                       
 nstep 2                                                                      
 nsym 1
 ntypat  1                                                             
 occ  4*2.0d0                                                                  
 occopt 0
 prtvol 10
 rprim   1.0 0.0 0.0    0.0 1.0 0.0   0.0 0.0 1.0                              
 timopt -1
 xred 0.0 0.0 -0.15
      0.0 0.0  0.15                                                          
 tolwfr 1.e-22
 typat  1 1      
 wtk 1.0
 znucl 14.0