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nalgebra
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Make the dot-product and normalization related methods public for DVec. 

This will change soon with two traits: Dot and Norm.
This commit is contained in:
Sébastien Crozet 2013-09-08 18:00:28 +02:00
parent 992adb99f0
commit 37f0b123e0
1 changed files with 12 additions and 6 deletions
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18
src/dvec.rs
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@ -175,8 +175,9 @@ impl<N: Neg<N>> Neg<DVec<N>> for DVec<N> {
} }
impl<N: Num> DVec<N> { impl<N: Num> DVec<N> {
/// Will change soon.
#[inline] #[inline]
fn dot(&self, other: &DVec<N>) -> N { pub fn dot(&self, other: &DVec<N>) -> N {
assert!(self.at.len() == other.at.len()); assert!(self.at.len() == other.at.len());
let mut res: N = Zero::zero(); let mut res: N = Zero::zero();
@ -188,8 +189,9 @@ impl<N: Num> DVec<N> {
res res
} }
/// Will change soon.
#[inline] #[inline]
fn sub_dot(&self, a: &DVec<N>, b: &DVec<N>) -> N { pub fn sub_dot(&self, a: &DVec<N>, b: &DVec<N>) -> N {
let mut res: N = Zero::zero(); let mut res: N = Zero::zero();
for i in range(0u, self.at.len()) { for i in range(0u, self.at.len()) {
@ -271,18 +273,21 @@ impl<N: Add<N, N> + Neg<N> + Clone> Translation<DVec<N>> for DVec<N> {
} }
impl<N: Num + Algebraic + Clone> DVec<N> { impl<N: Num + Algebraic + Clone> DVec<N> {
/// Will change soon.
#[inline] #[inline]
fn sqnorm(&self) -> N { pub fn sqnorm(&self) -> N {
self.dot(self) self.dot(self)
} }
/// Will change soon.
#[inline] #[inline]
fn norm(&self) -> N { pub fn norm(&self) -> N {
self.sqnorm().sqrt() self.sqnorm().sqrt()
} }
/// Will change soon.
#[inline] #[inline]
fn normalized(&self) -> DVec<N> { pub fn normalized(&self) -> DVec<N> {
let mut res : DVec<N> = self.clone(); let mut res : DVec<N> = self.clone();
res.normalize(); res.normalize();
@ -290,8 +295,9 @@ impl<N: Num + Algebraic + Clone> DVec<N> {
res res
} }
/// Will change soon.
#[inline] #[inline]
fn normalize(&mut self) -> N { pub fn normalize(&mut self) -> N {
let l = self.norm(); let l = self.norm();
for i in range(0u, self.at.len()) { for i in range(0u, self.at.len()) {