Changes in version 0.2.1 (2026-05-07)                  

  - Improved documentation.

  - Removed renv.

                 Changes in version 0.2.0 (2025-10-25)                  

  - Added optional bound constraints to the trust-region optimizer.
    These are available through the lower and upper arguments.

  - Improved documentation.

  - Implemented the algorithm in Rcpp for faster execution.

                 Changes in version 0.1.1 (2023-12-21)                  

  - Small bug fixes.

                 Changes in version 0.1.0 (2021-10-18)                  

  - Initial release.