Binary package “libfftw3-dbg” in ubuntu bionic

Library for computing Fast Fourier Transforms - debug symbols

 The FFTW library computes Fast Fourier Transforms (FFT) in one or more
 dimensions. It is extremely fast. This package contains the statically linked
 library, header files and test programs.
 .
 This package contains debug packages for both serial and MPI versions.
 .
 For documentation, see libfftw3-doc.