How to use FFTW

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How to compute FFT using FFTW in Qt

Getting Start

Note that I do this in Ubuntu operating system, in Windows some steps are different.

  • Step2: Extract and Configure it (my path: /home/jafarabadi/Documents/fftw-3.3.4)
  • Step 3: Add library to project: first open [your_project_name].pro file in Qt Creator and add this line:
  • Step 4: Example
  • Step 5: Enjoy :) [Written by Ali Jafarabdi :: Qt is an awesome programming language.]