stage2: implement all builtin floatops for f{16,32,64}
- Merge `floatop.zig` and `floatop_stage1.zig` since most tests now pass
on stage2.
- Add more behavior tests for a bunch of functions.
7f0cf395aaJohn Schmidt committed on 2/10/2022, 1:29:41 AM· committed by Andrew Kelleyparent44b5fdf