libtrilinos-aztecoo12 12.12.1-8ubuntu1 (amd64 binary) in ubuntu focal

 AztecOO provides an object-oriented interface to the well-known Aztec solver
 library. Furthermore, it allows flexible construction of matrix and vector
 arguments via Epetra matrix and vector classes. Finally, AztecOO provide
 additional functionality not found in Aztec and any future enhancements to the
 Aztec package will be available only through the AztecOO interfaces.
 .
 This package contains the dynamic libraries.