Comments (1)
Keeping it simple by using PrecisionUnknown. Added tests for all possible return values.
PrecisionUnknown is returned for subnormals that don't drop any nonzero bits in the significand. Of these, 2046 of them can round-trip float32->float16->float32 but the rest of them cannot. So the precision is unknown without further tests.
PrecisionInexact may be returned for subnormals and non-subnormals as long as they drop any nonzero bits in the significand. None of these successfully round-trip float32->float16->float32 using IEEE default rounding for float32->float16.
Closed by commit fcebee2
from float16.
Related Issues (8)
- Add (f Float16) Bits() uint16
- Add Fromfloat32ex returning both Float16 and the precision of conversion. HOT 1
- Support for bfloat16 HOT 5
- Add PrecisionFromFloat32() to return precision without performing conversion
- Add FromNaN32ps() to convert NaN with preserved signal and payload HOT 1
- ErrInvalidNaNValue should be a const
- Improve quality of error messages in unit tests
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from float16.