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On 64-bit hosts using the full widening multiplier requires that you use 128 bit integers-- which aren't portable. :( (in particular, MSVC doesn't have it last
by nullc 2y ago
On 64-bit hosts using the full widening multiplier requires that you use 128 bit integers-- which aren't portable. :( (in particular, MSVC doesn't have it last I checked). It's the obvious thing to do where they exist however.
- lifthrasiir 2y agoYeah, a lack of guaranteed existence of uint128_t is problematic for C. (But __int128 is reasonably portable!) Rust always has u128/i128 in comparison.