init_scan_module Subroutine

  subroutine init_scan_module
    !! Initialise module variables
    implicit none

    scan_dim = 1
    isweep = 0
    isweep_2 = 0
    nsweep = 1
    nsweep_2 = 3
    sweep = 0.0D0
    sweep_2 = 0.0D0
    first_call_1d = .true.
    first_call_2d = .true.
  end subroutine init_scan_module