Contributor

Fix for topk with half input. Added unsupported error when calling sort_index with half

Description

• Is this a new feature or a bug fix? Bug fix
• Potential impact on specific hardware, software or backends: OpenCL backend
• New functions and their functionality: support for topk half
• Can this PR be backported to older versions?
• Future changes not implemented in this PR.

Fixes: #3675

Changes to Users

• Additional options added to the build: None
• What changes will existing users have to make to their code or build steps? None

Checklist

• Rebased on latest master
• Code compiles
• Tests pass
• Functions added to unified API
• Functions documented