oheadr Subroutine

  subroutine oheadr(file,string)

    !! Routine to print a centred header within a line of asterisks,
    !! and between two blank lines
    !! author: P J Knight, CCFE, Culham Science Centre
    !! file : input integer : Fortran output unit identifier
    !! string : input character string : Character string to be used
    !! This routine writes out a centred header within a line of
    !! asterisks, and between two blank lines.
    !!     !
    ! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

    use numerics, only: active_constraints, sqsumsq, ioptimz
    use global_variables, only: vlabel, run_tests, verbose
		use constants, only: rmu0, pi
    implicit none

    !  Arguments

    integer, intent(in) :: file
    character(len=*), intent(in) :: string

    !  Local variables

    integer, parameter :: width = 110

    ! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

    call oblnkl(file)
    call ocentr(file,string,width)
    call oblnkl(file)

  end subroutine oheadr