Float copysign does not exist in libcore yet

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