The following parameters are defined in file param.inc:
LMAX2 highest L in in LM expansion of charge and potential
NPT total number of radial mesh points, must be gt.(NRAD+NPT00),
where NRAD is the number of mesh-points up to RMT specified in
case.struct.
NPT00 max. number of radial mesh points beyond RMT
RMAX0 max. distance of radial mesh