Incorrect (U)Int128 to double conversion #122203
Description
Description
When converting 309485009821345068741558271, only 12 digits match.
Reproduction Steps
(double)UInt128.Parse("309485009821345068741558271")
Expected behavior
3.094850098213451E+26
Actual behavior
3.0948500982162654E+26
Regression?
No response
Known Workarounds
No response
Configuration
No response
Other information
Please change (value._lower & 0xFFFFFF) to (0u != (value._lower & 0xFFFFFF) ? 1u : 0u)