Merge pull request #94 from distil/float-bit-comparison

bit comparison of f32, f64

Author: Marwes

diffus/src/diffable_impls/primitives.rs

@@ -7,7 +7,8 @@ macro_rules! primitive_impl {
                 type Diff = (&'a $typ, &'a $typ);
 
                 fn diff(&'a self, other: &'a Self) -> edit::Edit<Self> {
-                    if self == other {
+                    use crate::Same;
+                    if self.same(other) {
                         edit::Edit::Copy(self)
                     } else {
                         edit::Edit::Change((self, other))
@@ -18,7 +19,7 @@ macro_rules! primitive_impl {
     }
 }
 
-primitive_impl! { i64, i32, i16, i8, u64, u32, u16, u8, char, bool, isize, usize, () }
+primitive_impl! { i64, i32, i16, i8, u64, u32, u16, u8, char, bool, isize, usize, f32, f64, () }
 
 #[cfg(feature = "uuid-impl")]
 primitive_impl! { uuid::Uuid }

diffus/src/same.rs

@@ -22,7 +22,21 @@ macro_rules! same_for_eq {
     }
 }
 
-same_for_eq! { u8, u16, u32, u64, i8, i16, i32, i64, char, str, String }
+same_for_eq! { i64, i32, i16, i8, u64, u32, u16, u8, char, str, bool, isize, usize, () }
+
+macro_rules! same_for_float {
+    ($($typ:ty),*) => {
+        $(
+            impl Same for $typ {
+                fn same(&self, other: &Self) -> bool {
+                    self.to_ne_bytes() == other.to_ne_bytes()
+                }
+            }
+        )*
+    }
+}
+
+same_for_float! { f32, f64 }
 
 #[cfg(feature = "snake_case-impl")]
 same_for_eq! { snake_case::SnakeCase }