itals
in the: 

<UL>
<LI>local density approximation (LDA), 
</LI>
<LI>non-local density approximation (NLDA), 
</LI>
<LI>local spin-density approximation (LSD), 
</LI>
<LI>non-local spin-density approximation (NLSD),
</LI>
<LI>any empirical mixture of local and non-local approximations
(including exact exchange), and
</LI>
<LI>asymptotically corrected exchange-correlation potentials.
</LI>
</UL>

<P>
The formal scaling of the DFT computation can be reduced by choosing
to use auxiliary Gaussian basis sets t