* Implement logaddexp
* Disable test for ASAN
* Implement logsumexp
* Add performance file and include results in the docs
* Address review comments
* Simplify overflow test and comply with min/max guidelines
* Minor cleanup
* FIxes to comments and docs [ci skip]
* Return status code.
Co-authored-by: Nick Thompson <nathompson7@protonmail.com>