From f67a7bd324160b716edf154cab8d2d8dd2f7e584 Mon Sep 17 00:00:00 2001
From: Eduard Bopp <eduard.bopp@aepsil0n.de>
Date: Mon, 14 Aug 2017 12:41:03 +0200
Subject: [PATCH] Implement Abomonation for rotations

---
 src/geometry/rotation.rs | 22 ++++++++++++++++++++++
 tests/abomonation.rs     |  7 ++++++-
 2 files changed, 28 insertions(+), 1 deletion(-)

diff --git a/src/geometry/rotation.rs b/src/geometry/rotation.rs
index 1429830a..e9f06b69 100644
--- a/src/geometry/rotation.rs
+++ b/src/geometry/rotation.rs
@@ -5,6 +5,9 @@ use approx::ApproxEq;
 #[cfg(feature = "serde-serialize")]
 use serde::{Serialize, Serializer, Deserialize, Deserializer};
 
+#[cfg(feature = "abomonation-serialize")]
+use abomonation::Abomonation;
+
 use alga::general::Real;
 
 use core::{SquareMatrix, Scalar, OwnedSquareMatrix};
@@ -49,6 +52,25 @@ impl<'de, N, D, S> Deserialize<'de> for RotationBase<N, D, S>
     }
 }
 
+#[cfg(feature = "abomonation-serialize")]
+impl<N, D, S> Abomonation for RotationBase<N, D, S>
+    where N: Scalar,
+          D: DimName,
+          SquareMatrix<N, D, S>: Abomonation
+{
+    unsafe fn entomb(&self, writer: &mut Vec<u8>) {
+        self.matrix.entomb(writer)
+    }
+
+    unsafe fn embalm(&mut self) {
+        self.matrix.embalm()
+    }
+
+    unsafe fn exhume<'a, 'b>(&'a mut self, bytes: &'b mut [u8]) -> Option<&'b mut [u8]> {
+        self.matrix.exhume(bytes)
+    }
+}
+
 impl<N: Scalar, D: DimName, S: Storage<N, D, D>> RotationBase<N, D, S>
     where N: Scalar,
           S: Storage<N, D, D> {
diff --git a/tests/abomonation.rs b/tests/abomonation.rs
index d50091a9..8861342b 100644
--- a/tests/abomonation.rs
+++ b/tests/abomonation.rs
@@ -4,7 +4,7 @@ extern crate abomonation;
 
 use rand::random;
 use abomonation::{Abomonation, encode, decode};
-use nalgebra::{DMatrix, Matrix3x4, Point3, Translation3};
+use nalgebra::{DMatrix, Matrix3x4, Point3, Translation3, Rotation3};
 
 #[test]
 fn abomonate_matrix3x4() {
@@ -26,6 +26,11 @@ fn abomonate_translation3() {
     assert_encode_and_decode(&random::<Translation3<f32>>());
 }
 
+#[test]
+fn abomonate_rotation3() {
+    assert_encode_and_decode(&random::<Rotation3<f64>>());
+}
+
 fn assert_encode_and_decode<T: Abomonation + PartialEq>(data: &T) {
     let mut bytes = Vec::new();
     unsafe { encode(data, &mut bytes); }