libnifti2 2.0.0-3ubuntu1 (riscv64 binary) in ubuntu focal

 Niftilib is a set of i/o libraries for reading and writing files in the
 NIfTI-1 data format. NIfTI-1 is a binary file format for storing medical
 image data, e.g. magnetic resonance image (MRI) and functional MRI (fMRI)
 brain images.
 .
 This package contains the shared library of the low-level IO library niftiio,
 low-level IO library znzlib and the nifticdf shared library that provides
 functions to compute cumulative distributions and their inverses.