Add Zero impl for OrderedFloat

Uriopass · web-flow · commit 9a241dc1d72f · 2020-06-29T03:30:33.000+02:00
Useful for the pathfinding crate
diff --git a/src/lib.rs b/src/lib.rs
@@ -195,6 +195,12 @@ impl<T: Float> Neg for OrderedFloat<T> {
     }
 }
 
+impl<T: Float> Zero for OrderedFloat<T> {
+    fn zero() -> Self { OrderedFloat(T::zero()) }
+
+    fn is_zero(&self) -> bool { self.0.is_zero() }
+}
+
 /// A wrapper around Floats providing an implementation of Ord and Hash.
 ///
 /// A NaN value cannot be stored in this type.

Original file line number	Diff line number	Diff line change
`@@ -195,6 +195,12 @@ impl<T: Float> Neg for OrderedFloat<T> {`
`195`	`195`	`}`
`196`	`196`	`}`
`197`	`197`
	`198`	`+impl<T: Float> Zero for OrderedFloat<T> {`
	`199`	`+ fn zero() -> Self { OrderedFloat(T::zero()) }`
	`200`	`+`
	`201`	`+ fn is_zero(&self) -> bool { self.0.is_zero() }`
	`202`	`+}`
	`203`	`+`
`198`	`204`	`/// A wrapper around Floats providing an implementation of Ord and Hash.`
`199`	`205`	`///`
`200`	`206`	`/// A NaN value cannot be stored in this type.`