This is the mail archive of the
fortran@gcc.gnu.org
mailing list for the GNU Fortran project.
Re: "Fast Fourier Transform of a Step-function in 3-dimonsional" please help me.
- From: Tobias Burnus <burnus at net-b dot de>
- To: "fatemeh.mirjani" <f_mirjani at ph dot iut dot ac dot ir>
- Cc: fortran at gcc dot gnu dot org
- Date: Sun, 22 Jun 2008 09:00:57 +0200
- Subject: Re: "Fast Fourier Transform of a Step-function in 3-dimonsional" please help me.
- References: <3722400.87951214118949393.JavaMail.root@mta.iut.ac.ir>
fatemeh.mirjani wrote:
I need a subroutine of Fortran90 about "Fast Fourier Transform of a Step-function in 3-dimonsional."
I read the related subroutines in Numerical Recipes Book, but I couldn't match it for a 3D step function.
Whould you please let me to have access to a subroutine for mentioned goal?
I use for FFT always the FFTW library (http://www.fftw.org/), which is
written in C but can easily be accessed from Fortran.
See:
http://www.fftw.org/fftw3_doc/Calling-FFTW-from-Fortran.html
http://www.fftw.org/fftw3_doc/Multi_002dDimensional-DFTs-of-Real-Data.html
Otherwise: The is a bit off topic. The mailing list is for GNU Fortran
(gfortran) questions. For general Fortran questions I'd suggest to ask
in the comp.lang.fortran newsgroup, which can be also accessed via
http://groups.google.com/group/comp.lang.fortran/
Tobias