Content of RPM fftw2-devel-2.1.5-50.fc41.x86_64.rpm :
/usr/include/fftw.h
/usr/include/fftw_threads.h
/usr/include/rfftw.h
/usr/include/rfftw_threads.h
/usr/include/sfftw.h
/usr/include/sfftw_threads.h
/usr/include/srfftw.h
/usr/include/srfftw_threads.h
/usr/lib64/libfftw.so
/usr/lib64/libfftw_threads.so
/usr/lib64/librfftw.so
/usr/lib64/librfftw_threads.so
/usr/lib64/libsfftw.so
/usr/lib64/libsfftw_threads.so
/usr/lib64/libsrfftw.so
/usr/lib64/libsrfftw_threads.so
/usr/share/doc/fftw2-devel
/usr/share/doc/fftw2-devel/doc
/usr/share/doc/fftw2-devel/doc/equation-1.gif
/usr/share/doc/fftw2-devel/doc/equation-2.gif
/usr/share/doc/fftw2-devel/doc/equation-3.gif
/usr/share/doc/fftw2-devel/doc/equation-4.gif
/usr/share/doc/fftw2-devel/doc/fftw.ps
/usr/share/doc/fftw2-devel/doc/fftw_1.html
/usr/share/doc/fftw2-devel/doc/fftw_10.html
/usr/share/doc/fftw2-devel/doc/fftw_2.html
/usr/share/doc/fftw2-devel/doc/fftw_3.html
/usr/share/doc/fftw2-devel/doc/fftw_4.html
/usr/share/doc/fftw2-devel/doc/fftw_5.html
/usr/share/doc/fftw2-devel/doc/fftw_6.html
/usr/share/doc/fftw2-devel/doc/fftw_7.html
/usr/share/doc/fftw2-devel/doc/fftw_8.html
/usr/share/doc/fftw2-devel/doc/fftw_9.html
/usr/share/doc/fftw2-devel/doc/fftw_foot.html
/usr/share/doc/fftw2-devel/doc/fftw_toc.html
/usr/share/doc/fftw2-devel/doc/rfftwnd.fig
/usr/share/doc/fftw2-devel/doc/rfftwnd.gif
/usr/share/info/fftw.info.gz
/usr/share/licenses/fftw2-devel
/usr/share/licenses/fftw2-devel/COPYING