Re: ROOT : FFTW

The cygwin gcc version does not include the FFTW interface. We discourage users to use this version.
It is much slower than the normal VC++ version. If you run under Windows use the native Windows build instead.

Rene

Rafael Hakobyan wrote:
> Hi Bertrand,
>
> Thanks, but installing version 5.26 the libFFTW comes with it. I checked,
> the libFFTW does exist on my computer but for some reason it failes to
> load dynamic link.
>
> Now I am trying to download v.5.26 for cygwin and I would appreciate any
> hint if somebody has doen it.
> Cheers,
> Rafael
>
> On Mon, 19 Apr 2010, Bertrand Bellenot wrote:
>
>
>> Hi Rafael,
>>
>> You have to install FFTW3 on your machine. You can dowload it from
>> there: http://www.fftw.org/
>>
>> Cheers, Bertrand.
>>
>> Rafael Hakobyan wrote:
>>
>>> Thanks Rene. I installed v.5.26 but again I am getting error message
>>> like this:
>>>
>>> root [0] .x C:\root\tutorials\fft\FFT.C
>>> C:\root\bin\libFFTW.dll: The specified module could not be found.
>>> Load Error: Failed to load Dynamic link library C:\root\bin\libFFTW.dll
>>> Error in <TVirtualFFT::FFT>: handler nor found
>>> <class TH1*>0x0
>>> *** Interpreter error recovered ***
>>> root [1]
>>>
>>> Rafael
>>>
>>> On Sun, 18 Apr 2010, Rene Brun wrote:
>>>
>>>
>>>
>>>> Version 5.26 contains libFFTW on all systems.
>>>>
>>>> Rene Brun
>>>>
>>>> Rafael Hakobyan wrote:
>>>>
>>>>
>>>>> I have root_v5_18.00 version installed on my computer. When I run
>>>>> $ROOTSYS/tutorials/fft/FFT.C it complains that no FFTW library.
>>>>> Does the latest version of the ROOT package contain Fast Fourier Transferm
>>>>> library (FFTW)?
>>>>> Any information and suggestion is higherly appreciated.
>>>>>
>>>>> Rafael
>>>>>
>>>>>
>>>>>
>>>>>
>
>
Received on Tue Apr 20 2010 - 10:02:53 CEST