c----------------------------------------------------------------------
	function EVALGGA(func)
c evaluates an unpolarized GGA energy, once dens and grad have already 
c been filled in; which one is determined by the function func.
c
c author: Kieron Burke, 8.14.99
c     in: 
c    out:
c  calls:FUNC,RNTGRL
	include 'basics.inc'
	include 'dens.inc'
	dimension dum(0:m)
	external func