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From: Fatemeh on 5 Jul 2008 05:23
Dear all;

I'm going to use rlft3.f (3D Fast Fourier transform subroutine in
Numerical Recipes book )
I have constructed a 107*107*107 mesh for data.
I should call rlft3(data,speg,nn1,nn2,nn3,isign).
-----------------------------------------------------------------------------
SUBROUTINE rlft3(data,speq,nn1,nn2,nn3,isign)
INTEGER isign,nn1,nn2,nn3
COMPLEX data(nn1/2,nn2,nn3),speq(nn2,nn3)
-----------------------------------------------------------------------------
1- I don't understand why for data is written nn1/2 ? I have a
107*107*107 mesh!!!
2- Is it true to put nn1=nn2=nn3=107
3- I don't know what should I put instead of speq ?

I'm anxiously looking forward your reply and guidlines.
With my best regards,
Fatemeh
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