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Say that the identity holds only for all finite numbers (aka not NaN)

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Urgau 2022-08-15 12:47:05 +02:00
parent a1e251024d
commit 3f10e6c86d
2 changed files with 4 additions and 4 deletions
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4
library/core/src/num/f32.rs
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@ -688,7 +688,7 @@ impl f32 {
/// - if `self` is [`MAX`] or [`INFINITY`], this returns [`INFINITY`];
/// - otherwise the unique least value greater than `self` is returned.
///
/// The identity `x.next_up() == -(-x).next_down()` holds for all `x`. When `x`
/// The identity `x.next_up() == -(-x).next_down()` holds for all non-NaN `x`. When `x`
/// is finite `x == x.next_up().next_down()` also holds.
///
/// ```rust
@ -738,7 +738,7 @@ impl f32 {
/// - if `self` is [`MIN`] or [`NEG_INFINITY`], this returns [`NEG_INFINITY`];
/// - otherwise the unique greatest value less than `self` is returned.
///
/// The identity `x.next_down() == -(-x).next_up()` holds for all `x`. When `x`
/// The identity `x.next_down() == -(-x).next_up()` holds for all non-NaN `x`. When `x`
/// is finite `x == x.next_down().next_up()` also holds.
///
/// ```rust

4
library/core/src/num/f64.rs
View File

@ -698,7 +698,7 @@ impl f64 {
/// - if `self` is [`MAX`] or [`INFINITY`], this returns [`INFINITY`];
/// - otherwise the unique least value greater than `self` is returned.
///
/// The identity `x.next_up() == -(-x).next_down()` holds for all `x`. When `x`
/// The identity `x.next_up() == -(-x).next_down()` holds for all non-NaN `x`. When `x`
/// is finite `x == x.next_up().next_down()` also holds.
///
/// ```rust
@ -748,7 +748,7 @@ impl f64 {
/// - if `self` is [`MIN`] or [`NEG_INFINITY`], this returns [`NEG_INFINITY`];
/// - otherwise the unique greatest value less than `self` is returned.
///
/// The identity `x.next_down() == -(-x).next_up()` holds for all `x`. When `x`
/// The identity `x.next_down() == -(-x).next_up()` holds for all non-NaN `x`. When `x`
/// is finite `x == x.next_down().next_up()` also holds.
///
/// ```rust