&input
     atom='Ca',
     rel=1,
     config='[Ar] 3d0 4s0 4p0',
     iswitch=2,
     dft='PBE'
 /
 &test
   nconf=5
   configts(1)='3d0 3s2 3p6 4s0 4p0',
   configts(2)='3d0 3s2 3p6 4s1 4p0',
   configts(3)='3d0 3s2 3p6 4s0 4p1',
   configts(4)='3d0 3s2 3p6 4s2 4p0',
   configts(5)='3d0 3s2 3p6 4s1 4p1',
   file_pseudo='Ca.pbe-nsp-1.UPF',
   ecutmin=50, ecutmax=100, decut=10
 /