Destroy NaN signaling and payload too

dtolnay · Oct 26, 2023 · 1cda03f · 1cda03f
1 parent 88c032f
commit 1cda03f
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/src/number.rs b/src/number.rs
@@ -529,7 +529,8 @@ impl From<f32> for Number {
 impl From<f64> for Number {
     fn from(mut f: f64) -> Self {
         if f.is_nan() {
-            f = f.copysign(1.0);
+            // Destroy NaN sign, signaling, and payload. YAML only has one NaN.
+            f = f64::NAN.copysign(1.0);
         }
         Number { n: N::Float(f) }
     }