Some documentation fixes.

Fix #25.

src/lib.rs

@@ -42,6 +42,7 @@ fn main() {
 and keeps an optimized set of tools for computational graphics and physics. Those features include:
 
 * Vectors with static sizes: `Vec0`, `Vec1`, `Vec2`, `Vec3`, `Vec4`, `Vec5`, `Vec6`.
+* Points with static sizes: `Pnt0`, `Pnt1`, `Pnt2`, `Pnt3`, `Pnt4`, `Pnt5`, `Pnt6`.
 * Square matrices with static sizes: `Mat1`, `Mat2`, `Mat3`, `Mat4`, `Mat5`, `Mat6 `.
 * Rotation matrices: `Rot2`, `Rot3`, `Rot4`.
 * Isometries: `Iso2`, `Iso3`, `Iso4`.
@@ -87,7 +88,7 @@ Feel free to add your project to this list if you happen to use **nalgebra**!
 * [nphysics](https://github.com/sebcrozet/nphysics): a real-time physics engine.
 * [ncollide](https://github.com/sebcrozet/ncollide): a collision detection library.
 * [kiss3d](https://github.com/sebcrozet/kiss3d): a minimalistic graphics engine.
-* [frog](https://github.com/natal/frog): a machine learning library.
+* [nrays](https://github.com/sebcrozet/nrays): a ray tracer.
 */
 
 #![deny(non_camel_case_types)]

src/structs/pnt_macros.rs

@@ -55,6 +55,7 @@ macro_rules! pnt_sub_vec_impl(
 macro_rules! pnt_as_vec_impl(
     ($t: ident, $tv: ident, $comp0: ident $(,$compN: ident)*) => (
         impl<N> $t<N> {
+            /// Converts this point to its associated vector.
             #[inline]
             pub fn to_vec(self) -> $tv<N> {
                 $tv::new(
@@ -63,6 +64,7 @@ macro_rules! pnt_as_vec_impl(
                 )
             }
 
+            /// Converts a reference to this point to a reference to its associated vector.
             #[inline]
             pub fn as_vec<'a>(&'a self) -> &'a $tv<N> {
                 unsafe {

src/traits/operations.rs

@@ -361,7 +361,7 @@ impl<N, T: Div<N, T>> ScalarDiv<N> for T {
     }
 }
 
-/// Trait of objects implementing the $$y = ax + y$$ operation.
+/// Trait of objects implementing the `y = ax + y` operation.
 pub trait Axpy<N> {
     /// Adds $$a * x$$ to `self`.
     fn axpy(&mut self, a: &N, x: &Self);