Float copysign does not exist in libcore yet

This commit is contained in:
David Tolnay
2023-10-25 19:55:12 -07:00
parent d2fcc346b9
commit 6ba9c12ff6
+2 -2
View File
@@ -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 };