Adding Int128 and UInt128 with a base software implementation#69204

Merged

tannergooding merged 20 commits intodotnet:mainfrom

tannergooding:generic-math-int128

May 19, 2022

Commits on May 12, 2022

Fixing an issue with UInt128->BigInteger setting the wrong sign
tannergooding
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Merge remote-tracking branch 'dotnet/main' into generic-math-int128
tannergooding
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Don't use Unsafe.As in the Int128/UInt128 hex parsing logic
tannergooding
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Commits on May 13, 2022

Adding Int128 P/Invoke tests and ensure R2R correctly sets the packing
tannergooding
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Fixing some issues with the Int128 interop test for non-Windows
tannergooding
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Ensure that floating-point conversions exist for Int128 and UInt128
tannergooding
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Commits on May 16, 2022

Commits on May 18, 2022

Commits on May 19, 2022