module m_constants
  ! --------------------------------------------------------------------------------------
  !
  use m_precision, only : wp

  ! ---- Below you will find an access template to content of a module
  !      It is strictly speaking not needed, but it is a good idea to include it....
  !

  ! ----------------------------------------
  ! --- Everytinhg is private by default
  ! --------------------------------------
  private 
  

  ! ------------------------------------------
  ! --- Public Module Entries and interfaces
  ! ------------------------------------------
  public :: wp
  public :: pi
  public :: imu


  ! --- Declarations below this line .....................................................

  
  real(wp),    parameter :: pi  = 4._wp * atan(1._wp) 
  complex(wp), parameter :: imu = (0._wp, 1._wp) 


  ! --------------------------------------------------------------------------------------
end module m_constants