[Pw_forum] Error: fft order too large

[Paolo Giannozzi]

On Sep 15, 2011, at 4:31 , WF wrote:

>      from  good_fft_order  : error #      2241      fft order too  
> large
>
>  Is there any suggestion ?
>

look into the code. You will find that there is a maximum fft dimension
(nfftx, currently set to 2048). There is nothing special about this  
number:
it is just a check. If you really need a FFT dimension larger than 2048,
just increase nfftx and recompile

P.
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Paolo Giannozzi, Dept of Chemistry&Physics&Environment,
Univ. Udine, via delle Scienze 208, 33100 Udine, Italy
Phone +39-0432-558216, fax +39-0432-558222