Fix quickcheck float comparison

Author: mattico

src/float/add.rs

@@ -207,13 +207,13 @@ mod test {
         fn addsf3(a: U32, b: U32) -> bool {
             let (a, b) = (a.0, b.0);
             let r = super::__addsf3(f32::from_repr(a), f32::from_repr(b));
-            r == f32::from_repr(a) + f32::from_repr(b)
+            r.repr() == (f32::from_repr(a) + f32::from_repr(b)).repr()
         }
 
         fn adddf3(a: U64, b: U64) -> bool {
             let (a, b) = (a.0, b.0);
             let r = super::__adddf3(f64::from_repr(a), f64::from_repr(b));
-            r == f64::from_repr(a) + f64::from_repr(b)
+            r.repr() == (f64::from_repr(a) + f64::from_repr(b)).repr()
         }
     }