2.0             # mass
-2.0 2.0 1999   # xMin xMax nPoint
1 3             # first and last eigenvalue in output
linear          # interpolation type
6               # nr. of interpolation points and xy declarations
-2.0 0.0
-0.5 0.0
-0.5 -10.0
0.5 -10.0
0.5 0.0
2.0 0.0