Merge pull request #193 from neuschaefer/dev

Various little changes.

.travis.yml

@@ -26,3 +26,6 @@ after_script:
   # the doc directory needs to be in the root for rust-ci
   - mv target/doc doc
   - curl http://www.rust-ci.org/artifacts/put?t=$RUSTCI_TOKEN | sh
+
+# http://docs.travis-ci.com/user/workers/container-based-infrastructure/
+sudo: false

benches/common/macros.rs

@@ -1,5 +1,5 @@
 // Copyright 2013-2014 The CGMath Developers. For a full listing of the authors,
-// refer to the AUTHORS file at the top-level directionectory of this distribution.
+// refer to the Cargo.toml file at the top-level directory of this distribution.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
@@ -21,8 +21,8 @@ macro_rules! bench_binop(
 
             let mut rng = IsaacRng::new_unseeded();
 
-            let elems1: Vec<$t1> = range(0, LEN).map(|_| rng.gen::<$t1>()).collect();
-            let elems2: Vec<$t2> = range(0, LEN).map(|_| rng.gen::<$t2>()).collect();
+            let elems1: Vec<$t1> = (0..LEN).map(|_| rng.gen::<$t1>()).collect();
+            let elems2: Vec<$t2> = (0..LEN).map(|_| rng.gen::<$t2>()).collect();
             let mut i = 0;
 
             bh.iter(|| {
@@ -44,8 +44,8 @@ macro_rules! bench_binop_deref(
 
             let mut rng = IsaacRng::new_unseeded();
 
-            let elems1: Vec<$t1> = range(0, LEN).map(|_| rng.gen::<$t1>()).collect();
-            let elems2: Vec<$t2> = range(0, LEN).map(|_| rng.gen::<$t2>()).collect();
+            let elems1: Vec<$t1> = (0..LEN).map(|_| rng.gen::<$t1>()).collect();
+            let elems2: Vec<$t2> = (0..LEN).map(|_| rng.gen::<$t2>()).collect();
             let mut i = 0;
 
             bh.iter(|| {
@@ -67,7 +67,7 @@ macro_rules! bench_unop(
 
             let mut rng = IsaacRng::new_unseeded();
 
-            let mut elems: Vec<$t> = range(0, LEN).map(|_| rng.gen::<$t>()).collect();
+            let mut elems: Vec<$t> = (0..LEN).map(|_| rng.gen::<$t>()).collect();
             let mut i = 0;
 
             bh.iter(|| {
@@ -89,7 +89,7 @@ macro_rules! bench_construction(
 
             let mut rng = IsaacRng::new_unseeded();
 
-            $(let $args: Vec<$types> = range(0, LEN).map(|_| rng.gen::<$types>()).collect();)*
+            $(let $args: Vec<$types> = (0..LEN).map(|_| rng.gen::<$types>()).collect();)*
             let mut i = 0;
 
             bh.iter(|| {

benches/construction.rs

@@ -1,5 +1,5 @@
 // Copyright 2013-2014 The CGMath Developers. For a full listing of the authors,
-// refer to the AUTHORS file at the top-level directionectory of this distribution.
+// refer to the Cargo.toml file at the top-level directory of this distribution.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
@@ -20,7 +20,6 @@ extern crate test;
 extern crate cgmath;
 
 use rand::{IsaacRng, Rng};
-use std::iter;
 use test::Bencher;
 use cgmath::{Quaternion, Basis2, Basis3, Vector3, Rotation2, Rotation3, Rad};
 
@@ -32,8 +31,8 @@ fn bench_from_axis_angle<T: Rotation3<f32>>(bh: &mut Bencher) {
 
     let mut rng = IsaacRng::new_unseeded();
 
-    let axis: Vec<_> = iter::range(0, LEN).map(|_| rng.gen::<Vector3<f32>>()).collect();
-    let angle: Vec<_> = iter::range(0, LEN).map(|_| rng.gen::<Rad<f32>>()).collect();
+    let axis: Vec<_> = (0..LEN).map(|_| rng.gen::<Vector3<f32>>()).collect();
+    let angle: Vec<_> = (0..LEN).map(|_| rng.gen::<Rad<f32>>()).collect();
     let mut i = 0;
 
     bh.iter(|| {

benches/mat.rs

@@ -1,5 +1,5 @@
 // Copyright 2013-2014 The CGMath Developers. For a full listing of the authors,
-// refer to the AUTHORS file at the top-level directionectory of this distribution.
+// refer to the Cargo.toml file at the top-level directory of this distribution.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.

benches/quat.rs

@@ -1,5 +1,5 @@
 // Copyright 2013-2014 The CGMath Developers. For a full listing of the authors,
-// refer to the AUTHORS file at the top-level directionectory of this distribution.
+// refer to the Cargo.toml file at the top-level directory of this distribution.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.

benches/vec.rs

@@ -1,5 +1,5 @@
 // Copyright 2013-2014 The CGMath Developers. For a full listing of the authors,
-// refer to the AUTHORS file at the top-level directionectory of this distribution.
+// refer to the Cargo.toml file at the top-level directory of this distribution.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.

src/aabb.rs

@@ -1,5 +1,5 @@
 // Copyright 2013-2014 The CGMath Developers. For a full listing of the authors,
-// refer to the AUTHORS file at the top-level directory of this distribution.
+// refer to the Cargo.toml file at the top-level directory of this distribution.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
@@ -201,8 +201,7 @@ impl<S: BaseNum> fmt::Debug for Aabb3<S> {
 
 impl<S: BaseFloat> Intersect<Option<Point2<S>>> for (Ray2<S>, Aabb2<S>) {
     fn intersection(&self) -> Option<Point2<S>> {
-        match *self {
-            (ref ray, ref aabb) => {
+        let (ref ray, ref aabb) = *self;
 
         let mut tmin: S = Float::neg_infinity();
         let mut tmax: S = Float::infinity();
@@ -239,8 +238,6 @@ impl<S: BaseFloat> Intersect<Option<Point2<S>>> for (Ray2<S>, Aabb2<S>) {
         }
     }
 }
-    }
-}
 
 impl<S: BaseFloat + 'static> Bound<S> for Aabb3<S> {
     fn relate_plane(&self, plane: &Plane<S>) -> Relation {

src/angle.rs

@@ -1,5 +1,5 @@
 // Copyright 2013-2014 The CGMath Developers. For a full listing of the authors,
-// refer to the AUTHORS file at the top-level directory of this distribution.
+// refer to the Cargo.toml file at the top-level directory of this distribution.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.

src/approx.rs

@@ -1,5 +1,5 @@
 // Copyright 2014 The CGMath Developers. For a full listing of the authors,
-// refer to the AUTHORS file at the top-level directory of this distribution.
+// refer to the Cargo.toml file at the top-level directory of this distribution.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.

src/array.rs

@@ -1,5 +1,5 @@
 // Copyright 2013 The OMath Developers. For a full listing of the authors,
-// refer to the AUTHORS file at the top-level directory of this distribution.
+// refer to the Cargo.toml file at the top-level directory of this distribution.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.

src/cylinder.rs

@@ -1,5 +1,5 @@
 // Copyright 2013 The CGMath Developers. For a full listing of the authors,
-// refer to the AUTHORS file at the top-level directory of this distribution.
+// refer to the Cargo.toml file at the top-level directory of this distribution.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.

src/frustum.rs

@@ -1,5 +1,5 @@
 // Copyright 2013-2014 The CGMath Developers. For a full listing of the authors,
-// refer to the AUTHORS file at the top-level directory of this distribution.
+// refer to the Cargo.toml file at the top-level directory of this distribution.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.

src/intersect.rs

@@ -1,5 +1,5 @@
 // Copyright 2013 The CGMath Developers. For a full listing of the authors,
-// refer to the AUTHORS file at the top-level directory of this distribution.
+// refer to the Cargo.toml file at the top-level directory of this distribution.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.

src/lib.rs

@@ -1,5 +1,5 @@
 // Copyright 2013-2014 The CGMath Developers. For a full listing of the authors,
-// refer to the AUTHORS file at the top-level directory of this distribution.
+// refer to the Cargo.toml file at the top-level directory of this distribution.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.

src/line.rs

@@ -1,5 +1,5 @@
 // Copyright 2013-2014 The CGMath Developers. For a full listing of the authors,
-// refer to the AUTHORS file at the top-level directionectory of this distribution.
+// refer to the Cargo.toml file at the top-level directory of this distribution.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
@@ -38,11 +38,11 @@ impl<S: BaseNum, V: Vector<S>, P: Point<S, V>>  Line<P> {
 pub type Line2<S> = Line<Point2<S>>;
 pub type Line3<S> = Line<Point3<S>>;
 
-/// Determines if an intersection between a ray and a line segments is found.
+/// Determines if an intersection between a ray and a line segment is found.
 impl<S: BaseFloat> Intersect<Option<Point2<S>>> for (Ray2<S>, Line2<S>) {
     fn intersection(&self) -> Option<Point2<S>> {
-        match *self {
-            (ref ray, ref line) => {
+        let (ref ray, ref line) = *self;
+
         let p = ray.origin;
         let q = line.origin;
         let r = ray.direction;
@@ -89,5 +89,3 @@ impl<S: BaseFloat> Intersect<Option<Point2<S>>> for (Ray2<S>, Line2<S>) {
         return None;
     }
 }
-    }
-}

src/matrix.rs

@@ -1,5 +1,5 @@
 // Copyright 2013-2014 The CGMath Developers. For a full listing of the authors,
-// refer to the AUTHORS file at the top-level directory of this distribution.
+// refer to the Cargo.toml file at the top-level directory of this distribution.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
@@ -1344,8 +1344,8 @@ impl<S: BaseFloat + 'static> ToQuaternion<S> for Matrix3<S> {
         // http://www.cs.ucr.edu/~vbz/resources/quatut.pdf
         let trace = self.trace();
         let half: S = cast(0.5f64).unwrap();
-        match () {
-            () if trace >= zero::<S>() => {
+
+        if trace >= zero::<S>() {
             let s = (one::<S>() + trace).sqrt();
             let w = half * s;
             let s = half / s;
@@ -1353,8 +1353,7 @@ impl<S: BaseFloat + 'static> ToQuaternion<S> for Matrix3<S> {
             let y = (self[2][0] - self[0][2]) * s;
             let z = (self[0][1] - self[1][0]) * s;
             Quaternion::new(w, x, y, z)
-            }
-            () if (self[0][0] > self[1][1]) && (self[0][0] > self[2][2]) => {
+        } else if (self[0][0] > self[1][1]) && (self[0][0] > self[2][2]) {
             let s = (half + (self[0][0] - self[1][1] - self[2][2])).sqrt();
             let w = half * s;
             let s = half / s;
@@ -1362,8 +1361,7 @@ impl<S: BaseFloat + 'static> ToQuaternion<S> for Matrix3<S> {
             let y = (self[2][0] - self[0][2]) * s;
             let z = (self[1][2] - self[2][1]) * s;
             Quaternion::new(w, x, y, z)
-            }
-            () if self[1][1] > self[2][2] => {
+        } else if self[1][1] > self[2][2] {
             let s = (half + (self[1][1] - self[0][0] - self[2][2])).sqrt();
             let w = half * s;
             let s = half / s;
@@ -1371,8 +1369,7 @@ impl<S: BaseFloat + 'static> ToQuaternion<S> for Matrix3<S> {
             let y = (self[1][2] - self[2][1]) * s;
             let z = (self[2][0] - self[0][2]) * s;
             Quaternion::new(w, x, y, z)
-            }
-            () => {
+        } else {
             let s = (half + (self[2][2] - self[0][0] - self[1][1])).sqrt();
             let w = half * s;
             let s = half / s;
@@ -1383,7 +1380,6 @@ impl<S: BaseFloat + 'static> ToQuaternion<S> for Matrix3<S> {
         }
     }
 }
-}
 
 impl<S: BaseNum> fmt::Debug for Matrix2<S> {
     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {

src/num.rs

@@ -1,5 +1,5 @@
 // Copyright 2013-2014 The CGMath Developers. For a full listing of the authors,
-// refer to the AUTHORS file at the top-level directory of this distribution.
+// refer to the Cargo.toml file at the top-level directory of this distribution.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.

src/obb.rs

@@ -1,5 +1,5 @@
 // Copyright 2013 The CGMath Developers. For a full listing of the authors,
-// refer to the AUTHORS file at the top-level directory of this distribution.
+// refer to the Cargo.toml file at the top-level directory of this distribution.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.

src/plane.rs

@@ -1,5 +1,5 @@
 // Copyright 2013-2014 The CGMath Developers. For a full listing of the authors,
-// refer to the AUTHORS file at the top-level directory of this distribution.
+// refer to the Cargo.toml file at the top-level directory of this distribution.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
@@ -111,15 +111,13 @@ impl<S: BaseFloat> Plane<S> {
 
 impl<S: BaseFloat> Intersect<Option<Point3<S>>> for (Plane<S>, Ray3<S>) {
     fn intersection(&self) -> Option<Point3<S>> {
-        match *self {
-            (ref p, ref r) => {
+        let (ref p, ref r) = *self;
+
         let t = -(p.d + r.origin.dot(&p.n)) / r.direction.dot(&p.n);
         if t < Zero::zero() { None }
         else { Some(r.origin.add_v(&r.direction.mul_s(t))) }
     }
 }
-    }
-}
 
 impl<S: BaseFloat> Intersect<Option<Ray3<S>>> for (Plane<S>, Plane<S>) {
     fn intersection(&self) -> Option<Ray3<S>> {

src/point.rs

@@ -1,5 +1,5 @@
 // Copyright 2013-2014 The CGMath Developers. For a full listing of the authors,
-// refer to the AUTHORS file at the top-level directory of this distribution.
+// refer to the Cargo.toml file at the top-level directory of this distribution.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.

src/projection.rs

@@ -1,5 +1,5 @@
 // Copyright 2013-2014 The CGMath Developers. For a full listing of the authors,
-// refer to the AUTHORS file at the top-level directory of this distribution.
+// refer to the Cargo.toml file at the top-level directory of this distribution.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.

src/quaternion.rs

@@ -1,5 +1,5 @@
 // Copyright 2013-2014 The CGMath Developers. For a full listing of the authors,
-// refer to the AUTHORS file at the top-level directory of this distribution.
+// refer to the Cargo.toml file at the top-level directory of this distribution.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.

src/ray.rs

@@ -1,5 +1,5 @@
 // Copyright 2013-2014 The CGMath Developers. For a full listing of the authors,
-// refer to the AUTHORS file at the top-level directionectory of this distribution.
+// refer to the Cargo.toml file at the top-level directory of this distribution.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.

src/rotation.rs

@@ -1,5 +1,5 @@
 // Copyright 2014 The CGMath Developers. For a full listing of the authors,
-// refer to the AUTHORS file at the top-level directory of this distribution.
+// refer to the Cargo.toml file at the top-level directory of this distribution.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
@@ -132,7 +132,7 @@ pub trait Rotation3<S: BaseNum>: Rotation<S, Vector3<S>, Point3<S>>
 /// angle. We can accomplish this quite easily with a two-dimensional rotation
 /// matrix:
 ///
-/// ~~~ignore
+/// ```no_run
 /// use cgmath::rad;
 /// use cgmath::Vector2;
 /// use cgmath::{Matrix, ToMatrix2};
@@ -160,7 +160,7 @@ pub trait Rotation3<S: BaseNum>: Rotation<S, Vector3<S>, Point3<S>>
 /// let rot_half: Basis2<f64> = Rotation2::from_angle(rad(0.25f64 * f64::consts::PI));
 /// let unit_y3 = rot_half.concat(&rot_half).rotate_vector(&unit_x);
 /// assert!(unit_y3.approx_eq(&unit_y2));
-/// ~~~
+/// ```
 #[derive(PartialEq, Copy, Clone, RustcEncodable, RustcDecodable)]
 pub struct Basis2<S> {
     mat: Matrix2<S>

src/sphere.rs

@@ -1,5 +1,5 @@
 // Copyright 2013-2014 The CGMath Developers. For a full listing of the authors,
-// refer to the AUTHORS file at the top-level directory of this distribution.
+// refer to the Cargo.toml file at the top-level directory of this distribution.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
@@ -31,8 +31,8 @@ pub struct Sphere<S> {
 
 impl<S: BaseFloat> Intersect<Option<Point3<S>>> for (Sphere<S>, Ray3<S>) {
     fn intersection(&self) -> Option<Point3<S>> {
-        match *self {
-            (ref s, ref r) => {
+        let (ref s, ref r) = *self;
+
         let l = s.center.sub_p(&r.origin);
         let tca = l.dot(&r.direction);
         if tca < zero() { return None; }
@@ -42,8 +42,6 @@ impl<S: BaseFloat> Intersect<Option<Point3<S>>> for (Sphere<S>, Ray3<S>) {
         Some(r.origin.add_v(&r.direction.mul_s(tca - thc)))
     }
 }
-    }
-}
 
 impl<S: BaseFloat + 'static> Bound<S> for Sphere<S> {
     fn relate_plane(&self, plane: &Plane<S>) -> Relation {

src/transform.rs

@@ -1,5 +1,5 @@
 // Copyright 2014 The CGMath Developers. For a full listing of the authors,
-// refer to the AUTHORS file at the top-level directory of this distribution.
+// refer to the Cargo.toml file at the top-level directory of this distribution.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.

src/vector.rs

@@ -1,5 +1,5 @@
 // Copyright 2013-2014 The CGMath Developers. For a full listing of the authors,
-// refer to the AUTHORS file at the top-level directory of this distribution.
+// refer to the Cargo.toml file at the top-level directory of this distribution.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.

tests/aabb.rs

@@ -1,5 +1,5 @@
 // Copyright 2014 The CGMath Developers. For a full listing of the authors,
-// refer to the AUTHORS file at the top-level directory of this distribution.
+// refer to the Cargo.toml file at the top-level directory of this distribution.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.

tests/angle.rs

@@ -1,5 +1,5 @@
 // Copyright 2013-2014 The CGMath Developers. For a full listing of the authors,
-// refer to the AUTHORS file at the top-level directory of this distribution.
+// refer to the Cargo.toml file at the top-level directory of this distribution.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.

tests/approx.rs

@@ -1,5 +1,5 @@
 // Copyright 2014 The CGMath Developers. For a full listing of the authors,
-// refer to the AUTHORS file at the top-level directory of this distribution.
+// refer to the Cargo.toml file at the top-level directory of this distribution.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
@@ -24,7 +24,7 @@ fn macro_assert_approx_eq_eps() {
 }
 
 #[test]
-#[should_fail]
+#[should_panic]
 fn macro_assert_approx_eq_eps_fail() {
     assert_approx_eq_eps!(1.0f32, 1.02, 0.01);
 }
@@ -35,7 +35,7 @@ fn macro_assert_approx_eq() {
 }
 
 #[test]
-#[should_fail]
+#[should_panic]
 fn macro_assert_approx_eq_fail() {
     assert_approx_eq!(1.0f64 / 3.0, 0.333);
 }

tests/line.rs

@@ -1,5 +1,5 @@
 // Copyright 2013-2014 The CGMath Developers. For a full listing of the authors,
-// refer to the AUTHORS file at the top-level directory of this distribution.
+// refer to the Cargo.toml file at the top-level directory of this distribution.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.

tests/matrix.rs

@@ -1,5 +1,5 @@
 // Copyright 2013-2014 The CGMath Developers. For a full listing of the authors,
-// refer to the AUTHORS file at the top-level directory of this distribution.
+// refer to the Cargo.toml file at the top-level directory of this distribution.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.

tests/plane.rs

@@ -1,5 +1,5 @@
 // Copyright 2013-2014 The CGMath Developers. For a full listing of the authors,
-// refer to the AUTHORS file at the top-level directory of this distribution.
+// refer to the Cargo.toml file at the top-level directory of this distribution.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.

tests/point.rs

@@ -1,5 +1,5 @@
 // Copyright 2013-2014 The CGMath Developers. For a full listing of the authors,
-// refer to the AUTHORS file at the top-level directory of this distribution.
+// refer to the Cargo.toml file at the top-level directory of this distribution.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.

tests/projection.rs

@@ -1,5 +1,5 @@
 // Copyright 2013-2014 The CGMath Developers. For a full listing of the authors,
-// refer to the AUTHORS file at the top-level directory of this distribution.
+// refer to the Cargo.toml file at the top-level directory of this distribution.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.

tests/quaternion.rs

@@ -1,5 +1,5 @@
 // Copyright 2013-2014 The CGMath Developers. For a full listing of the authors,
-// refer to the AUTHORS file at the top-level directory of this distribution.
+// refer to the Cargo.toml file at the top-level directory of this distribution.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.

tests/rotation.rs

@@ -0,0 +1,43 @@
+// Copyright 2015 The CGMath Developers. For a full listing of the authors,
+// refer to the Cargo.toml file at the top-level directory of this distribution.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+extern crate cgmath;
+
+use cgmath::*;
+
+mod rotation {
+    use super::cgmath::*;
+
+    pub fn a2<R: Rotation2<f64>>() -> R {
+        Rotation2::from_angle(deg(30.0).to_rad())
+    }
+
+    pub fn a3<R: Rotation3<f64>>() -> R {
+        let axis = Vector3::new(1.0, 1.0, 0.0).normalize();
+        Rotation3::from_axis_angle(&axis, deg(30.0).to_rad())
+    }
+}
+
+#[test]
+fn test_invert_basis2() {
+    let a: Basis2<_> = rotation::a2();
+    assert!(a.concat(&a.invert()).as_matrix2().is_identity());
+}
+
+#[test]
+fn test_invert_basis3() {
+    let a: Basis3<_> = rotation::a3();
+    assert!(a.concat(&a.invert()).as_matrix3().is_identity());
+}

tests/sphere.rs

@@ -1,5 +1,5 @@
 // Copyright 2014 The CGMath Developers. For a full listing of the authors,
-// refer to the AUTHORS file at the top-level directory of this distribution.
+// refer to the Cargo.toml file at the top-level directory of this distribution.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.

tests/transform.rs

@@ -1,5 +1,5 @@
 // Copyright 2014 The CGMath Developers. For a full listing of the authors,
-// refer to the AUTHORS file at the top-level directory of this distribution.
+// refer to the Cargo.toml file at the top-level directory of this distribution.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.

tests/vector.rs

@@ -1,5 +1,5 @@
 // Copyright 2013-2014 The CGMath Developers. For a full listing of the authors,
-// refer to the AUTHORS file at the top-level directory of this distribution.
+// refer to the Cargo.toml file at the top-level directory of this distribution.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.