TVirtualFFT not working

ROOT Version: 6.13.02
Platform: Ubuntu

Hi, when I try to use TVirtualFFT I have the following error:

Error in <TUnixSystem::FindDynamicLibrary>: FFTW[.so | .dll | .dylib | .sl | .dl | .a] does not exist in..............
Error in <TVirtualFFT::FFT>: handler not found

  *** Break *** segmentation violation

If I run:

root-config --has-fftw3

the answer is “yes”. I don’t know what to do, please help me.



There is some issues loading I guess if you do
gSystetm->Load(“”) it will fail.
You might need to set correctly the LD_LIBRARY_PATH or you have a configuration issue


Yes, I have have an error if I run that command.

How can I set correctly the LD_LIBRARY_PATH?


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