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Float copysign does not exist in libcore yet

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David Tolnay 2023-10-25 19:55:12 -07:00
parent d2fcc346b9
commit 6ba9c12ff6
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1 changed files with 2 additions and 2 deletions
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serde/src/de/impls.rs
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@ -187,12 +187,12 @@ macro_rules! num_as_copysign_self {
where where
E: Error, E: Error,
{ {
#[cfg(no_float_copysign)] #[cfg(any(no_float_copysign, not(feature = "std")))]
{ {
Ok(v as Self::Value) Ok(v as Self::Value)
} }
#[cfg(not(no_float_copysign))] #[cfg(all(not(no_float_copysign), feature = "std"))]
{ {
// Preserve sign of NaN. The `as` produces a nondeterministic sign. // Preserve sign of NaN. The `as` produces a nondeterministic sign.
let sign = if v.is_sign_positive() { 1.0 } else { -1.0 }; let sign = if v.is_sign_positive() { 1.0 } else { -1.0 };