subroutine hash(string,len,ihash)
parameter (MASK15=32767)
character*(*) string
integer*1 ic(12)
do i=1,len
ic(i)=ichar(string(i:i))
enddo
i=nhash(ic,len,146)
ihash=iand(i,MASK15)
! print*,'C',ihash,len,string
return
end subroutine hash