geop_c Function

	FUNCTION geop_c(first,factor,n)
	COMPLEX(SP), INTENT(IN) :: first,factor
	INTEGER(I4B), INTENT(IN) :: n
	COMPLEX(SP), DIMENSION(n) :: geop_c
	INTEGER(I4B) :: k,k2
	COMPLEX(SP) :: temp
	if (n > 0) geop_c(1)=first
	if (n <= NPAR_GEOP) then
		do k=2,n
			geop_c(k)=geop_c(k-1)*factor
		end do
	else
		do k=2,NPAR2_GEOP
			geop_c(k)=geop_c(k-1)*factor
		end do
		temp=factor**NPAR2_GEOP
		k=NPAR2_GEOP
		do
			if (k >= n) exit
			k2=k+k
			geop_c(k+1:min(k2,n))=temp*geop_c(1:min(k,n-k))
			temp=temp*temp
			k=k2
		end do
	end if
	END FUNCTION geop_c