subroutine promienie(*)
      implicit none
      include 'DIMENSIONS'
      include 'COMMON.CONTROL'
      include 'COMMON.INTERACT'
      include 'COMMON.IOUNITS'
      include 'COMMON.CONTPAR'
      include 'COMMON.LOCAL'
      integer i,j
      real*8 facont /1.569D0/  ! facont = (2/(1-sqrt(1-1/4)))**(1/6)
      character*8 contfunc
      character*8 contfuncid(5)/'GB','DIST','CEN','ODC','SIG'/
      character*8 ucase
      call getenv("CONTFUNC",contfunc)
      contfunc=ucase(contfunc)
      do icomparfunc=1,5
        if (contfunc.eq.contfuncid(icomparfunc)) goto 10
      enddo     
   10 continue
      write (iout,*) "Sidechain contact function is ",contfunc,
     &  "icomparfunc",icomparfunc 
      do i=1,ntyp
        do j=1,ntyp
          if (icomparfunc.lt.3) then
            read(isidep1,*) chi_comp(i,j),chip_comp(i,j),sig_comp(i,j),
     &       sc_cutoff(i,j)
          else if (icomparfunc.lt.5) then
            read(isidep1,*) sc_cutoff(i,j)
          else if (icomparfunc.eq.5) then
            sc_cutoff(i,j)=dsqrt(sigma0(i)**2+sigma0(j)**2)*facont
          else
            write (iout,*) "Error - Unknown contact function"
            return1
          endif
        enddo
      enddo
      close (isidep1)
      do i=1,ntyp1
        if (i.eq.10 .or. i.eq.21) then
          dsc_inv(i)=0.0d0
        else
          dsc_inv(i)=1.0d0/dsc(i)
        endif
      enddo
      return
      end