[grid_type_sgn]
type: integer
doc: Type of grid used for the Becke's numerical grid. Can be, by increasing accuracy: [ 0 | 1 | 2 | 3 ]
interface: ezfio,provider,ocaml
default: 2

[n_points_final_grid]
type: integer
doc: Total number of grid points 
interface: ezfio

[thresh_grid]
type: double precision
doc: threshold on the weight of a given grid point
interface: ezfio,provider,ocaml
default: 1.e-20