Float: Introduce float add for denormal and infinite.

[Incarnation-p-lee]

• Add float add/sub internal
• Add float type tuple compare for test.
• Add test files.

[github-actions[bot]]

Test Results

   10 files  ±0     22 suites  ±0   0s ⏱️ ±0s   704 tests ±0    704 ✅ ±0  0 💤 ±0  0 ❌ ±0  2 196 runs  ±0  2 195 ✅ ±0  1 💤 ±0  0 ❌ ±0 

Results for commit c0347afc. ± Comparison against base commit 11d722f8.

:recycle: This comment has been updated with latest results.

[Incarnation-p-lee]

Kindly ping.

[Alasdair]

Thanks!