Module User_Module
Implicit None
Save

!=======================================================
! Define logicals

Logical readham,readpot,xuan,test,readin
Character(len=50) iwf_read,iwf_write

! Possible configurations
!  readham.or.readpot.or.xuan = .true. not simultaneously
!  test can be true along with readham or readpot

End Module User_Module