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Further refine the disclaimer about NaN bit patterns.

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Pyry Kontio 2022-03-31 18:18:10 +09:00
parent 57eec0ce13
commit 21f1037c58
1 changed files with 3 additions and 2 deletions
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library/core/src/primitive_docs.rs
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@ -989,8 +989,9 @@ mod prim_tuple {}
/// is deviated from.
/// - Lastly, there are multiple bit patterns that are considered NaN.
/// Rust does not currently guarantee that the bit patterns of NaN are
/// preserved over arithmetic operations,
/// so there may be some surprising results upon inspecting the bit patterns,
/// preserved over arithmetic operations, and they are not guaranteed to be
/// portable or even fully deterministic! This means that there may be some
/// surprising results upon inspecting the bit patterns,
/// as the same calculations might produce NaNs with different bit patterns.
///
/// For more information on floating point numbers, see [Wikipedia][wikipedia].