libscalapack-mpi-dev 2.1.0-2build1 (s390x binary) in ubuntu focal

 ScaLAPACK is the parallel version of LAPACK used on clusters.
 .
 There are packages for the shared libraries, for the static libraries and
 the development files (this one) and for test programs.
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 Also included:
    - PBLAS, Parallel Basic Linear Algebra Subprograms
    - BLACS, Basic Linear Algebra Communication Subprograms
 .
 This is a dummy package which depends on the scalapack development package
 supporting the default implementation of MPI on this architecture.