From 118ec262fdf5e2ad7bd3efce4440a4d8cec176d0 Mon Sep 17 00:00:00 2001
From: Romain Vaillant <rph.vaillant@gmail.com>
Date: Mon, 16 May 2016 15:22:37 +0200
Subject: [PATCH] Adds ApproxEq for Decomposed

---
 src/transform.rs | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/src/transform.rs b/src/transform.rs
index 54a25a0..284d647 100644
--- a/src/transform.rs
+++ b/src/transform.rs
@@ -149,6 +149,18 @@ impl<S: BaseFloat, R: Rotation2<S>> Transform2<S> for Decomposed<Vector2<S>, R>
 
 impl<S: BaseFloat, R: Rotation3<S>> Transform3<S> for Decomposed<Vector3<S>, R> {}
 
+impl<S: VectorSpace, R, E: BaseFloat> ApproxEq for Decomposed<S, R>
+    where S: ApproxEq<Epsilon = E>, S::Scalar: ApproxEq<Epsilon = E>, R: ApproxEq<Epsilon = E>
+{
+    type Epsilon = E;
+
+    fn approx_eq_eps(&self, other: &Self, epsilon: &Self::Epsilon) -> bool {
+        self.scale.approx_eq_eps(&other.scale, epsilon) &&
+        self.rot.approx_eq_eps(&other.rot, epsilon) &&
+        self.disp.approx_eq_eps(&other.disp, epsilon)
+    }
+}
+
 #[cfg(feature = "eders")]
 #[doc(hidden)]
 mod eders_ser {
@@ -294,4 +306,4 @@ mod eders_de {
             Ok(Decomposed { scale: scale, rot: rot, disp: disp })
         }
     }
-}
\ No newline at end of file
+}