petsc64-dev - 3.20.6+dfsg1-3 main

PETSc is the "Portable Extensible Toolkit for Scientific Computation", a suite
of data structures and routines for the scalable (parallel) solution of
scientific applications modeled by partial differential equations. It employs
the MPI standard for all message-passing communication. Several sample
scientific applications, as well as various papers and talks, demonstrate the
features of the PETSc libraries.
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This metapackage installs libpetsc64-real-dev, which will always
depend on the most recent version of PETSc with real number support
and 64-bit indexing. So if you install it then you will get upgrades
automatically.