fftw3: Accessing the wisdom API from Fortran

 
 7.6 Accessing the wisdom API from Fortran
 =========================================
 
 As explained in SeeWords of Wisdom-Saving Plans, FFTW provides a
 "wisdom" API for saving plans to disk so that they can be recreated
 quickly.  The C API for exporting (SeeWisdom Export) and importing
 (SeeWisdom Import) wisdom is somewhat tricky to use from Fortran,
 however, because of differences in file I/O and string types between C
 and Fortran.
 

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