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This release includes a number of improvements to the core code, as well as a few changes to the make files to make the code compile again on a common Linux distribution in 2025.
Notable changes since version 2.2:
- Improved stability of the implicitly restarted version of the algorithm
from using deflation in the QR steps. - Various bug fixes and stability improvements.
- Refactored make files to reduce duplication among different precisions.
- Changed default compiler on Linux from "g77" to "gfortran".
- Removed LAPACK source files, and depend on linking a pre-installed version of LAPACK.