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Add type annotation required by rustc 2015-03-31

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Resolves this error, which is fallout from
https://github.com/rust-lang/rust/pull/23673:

src/structs/dmat.rs:501:43: 501:74 error: type annotations required: cannot resolve `<f64 as core::ops::Div<_>>::Output == f64` [E0284]
src/structs/dmat.rs:501         let normalizer: N    = Cast::from(1.0f64 / Cast::from(self.nrows));
                                                                  ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Signed-off-by: Anders Kaseorg <andersk@mit.edu>
This commit is contained in:
Anders Kaseorg 2015-03-31 16:38:24 -04:00
parent 1fc59cb0f5
commit 1cb3314064
2 changed files with 3 additions and 3 deletions
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4
src/lib.rs
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@ -541,7 +541,7 @@ pub fn prepend_rotation<V, M: Rotation<V>>(m: &M, v: &V) -> M {
/// use na::{BaseFloat, Rot3, Vec3};
///
/// fn main() {
/// let t = Rot3::new(Vec3::new(0.0f64, 0.0, 0.5 * BaseFloat::pi()));
/// let t = Rot3::new(Vec3::new(0.0f64, 0.0, 0.5 * <f64 as BaseFloat>::pi()));
/// let v = Vec3::new(1.0, 0.0, 0.0);
///
/// let tv = na::rotate(&t, &v);
@ -562,7 +562,7 @@ pub fn rotate<V, M: Rotate<V>>(m: &M, v: &V) -> V {
/// use na::{BaseFloat, Rot3, Vec3};
///
/// fn main() {
/// let t = Rot3::new(Vec3::new(0.0f64, 0.0, 0.5 * BaseFloat::pi()));
/// let t = Rot3::new(Vec3::new(0.0f64, 0.0, 0.5 * <f64 as BaseFloat>::pi()));
/// let v = Vec3::new(1.0, 0.0, 0.0);
///
/// let tv = na::inv_rotate(&t, &v);

2
src/structs/dmat.rs
View File

@ -498,7 +498,7 @@ impl<N: Clone + Copy> Transpose for DMat<N> {
impl<N: BaseNum + Cast<f64> + Clone> Mean<DVec<N>> for DMat<N> {
fn mean(&self) -> DVec<N> {
let mut res: DVec<N> = DVec::new_zeros(self.ncols);
let normalizer: N = Cast::from(1.0f64 / Cast::from(self.nrows));
let normalizer: N = Cast::from(1.0f64 / self.nrows as f64);
for i in 0..self.nrows {
for j in 0..self.ncols {