libtrilinos-xpetra12 12.12.1-8ubuntu1 (amd64 binary) in ubuntu focal

 Xpetra a lightweight wrapper to both Epetra and Tpetra. The Xpetra syntax
 mirrors that of Tpetra. Xpetra enables algorithm developers to write to a
 single interface but be able to use either Epetra or Tpetra. Xpetra can also be
 introduced into existing code to allow for gradual migration.
 .
 This package contains the dynamic libraries.