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4 changes: 2 additions & 2 deletions library/core/src/convert/num.rs
Original file line number Diff line number Diff line change
Expand Up @@ -142,9 +142,9 @@ impl_from! { i16, isize, #[stable(feature = "lossless_iusize_conv", since = "1.2

// RISC-V defines the possibility of a 128-bit address space (RV128).

// CHERI proposes 256-bit “capabilities”. Unclear if this would be relevant to usize/isize.
// CHERI proposes 128-bit “capabilities”. Unclear if this would be relevant to usize/isize.
// https://www.cl.cam.ac.uk/research/security/ctsrd/pdfs/20171017a-cheri-poster.pdf
// https://www.csl.sri.com/users/neumann/2012resolve-cheri.pdf
// https://www.cl.cam.ac.uk/techreports/UCAM-CL-TR-951.pdf

// Note: integers can only be represented with full precision in a float if
// they fit in the significand, which is 24 bits in f32 and 53 bits in f64.
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