for version 3.3.10, 10 December 2020 - FFTW

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cussed in their own chapters: Chapter 5 [Multi-threaded FFTW], page 49, and Chapter 6 [Distributed-memory FFTW with MPI], page 53. Fortran programmers can also use FFTW, as described in Chapter 8 [Calling FFTW from Legacy Fortran], page 87, and Chapter 7 [Calling FFTW from Modern Fortran], page 77. Chapter 10 [Installation and Customiza-

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