Created by: jjellio
Guards raw openmp diagnostics and fixes some compiler warnings
Closes: #5025 (closed)
How Has This Been Tested?
Tested on White (Cuda)
My commit messages mention the appropriate GitHub issue numbers.
-  My code follows the code style of the affected package(s).
My change requires a change to the documentation.
I have updated the documentation accordingly.
I have read the code contribution guidelines for this project.
I have added tests to cover my changes.
All new and existing tests passed.
No new compiler warnings were introduced.
These changes break backwards compatibility.