sage

c0221f90 - gh-36554: Speedup of the method to reduce ternary quadratic forms in the class TernaryQF

gh-36554: Speedup of the method to reduce ternary quadratic forms in the class TernaryQF PR from #16965 (rebased from https://github.com/sagemath/sagetrac- mirror/commit/091cbbdf6eed2c8bccca407addd07ff08e429c17) Resolves #16965 Author: Gustavo Rama ### :memo: Checklist - [x] The title is concise, informative, and self-explanatory. - [x] The description explains in detail what this PR is about. - [x] I have linked a relevant issue or discussion. URL: https://github.com/sagemath/sage/pull/36554 Reported by: Gonzalo Tornaría Reviewer(s):