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Remove use of num::cast 

Signed-off-by: Anders Kaseorg <andersk@mit.edu>
This commit is contained in:
Anders Kaseorg 2015-04-02 04:11:15 -04:00
parent c1cbf7465d
commit 165e095a57
3 changed files with 10 additions and 12 deletions
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13
src/structs/ortho.rs
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@ -1,5 +1,4 @@
use std::num; use traits::structure::{BaseFloat, Cast};
use traits::structure::BaseFloat;
use structs::{Pnt3, Vec3, Mat4}; use structs::{Pnt3, Vec3, Mat4};
#[cfg(feature="arbitrary")] #[cfg(feature="arbitrary")]
@ -162,13 +161,13 @@ impl<N: BaseFloat> OrthoMat3<N> {
/// The width of the view cuboid. /// The width of the view cuboid.
#[inline] #[inline]
pub fn width(&self) -> N { pub fn width(&self) -> N {
num::cast::<f64, N>(2.0).unwrap() / self.mat.m11 <N as Cast<f64>>::from(2.0) / self.mat.m11
} }
/// The height of the view cuboid. /// The height of the view cuboid.
#[inline] #[inline]
pub fn height(&self) -> N { pub fn height(&self) -> N {
num::cast::<f64, N>(2.0).unwrap() / self.mat.m22 <N as Cast<f64>>::from(2.0) / self.mat.m22
} }
/// The near plane offset of the view cuboid. /// The near plane offset of the view cuboid.
@ -187,14 +186,14 @@ impl<N: BaseFloat> OrthoMat3<N> {
#[inline] #[inline]
pub fn set_width(&mut self, width: N) { pub fn set_width(&mut self, width: N) {
assert!(!::is_zero(&width)); assert!(!::is_zero(&width));
self.mat.m11 = num::cast::<f64, N>(2.0).unwrap() / width; self.mat.m11 = <N as Cast<f64>>::from(2.0) / width;
} }
/// Sets the height of the view cuboid. /// Sets the height of the view cuboid.
#[inline] #[inline]
pub fn set_height(&mut self, height: N) { pub fn set_height(&mut self, height: N) {
assert!(!::is_zero(&height)); assert!(!::is_zero(&height));
self.mat.m22 = num::cast::<f64, N>(2.0).unwrap() / height; self.mat.m22 = <N as Cast<f64>>::from(2.0) / height;
} }
/// Sets the near plane offset of the view cuboid. /// Sets the near plane offset of the view cuboid.
@ -215,7 +214,7 @@ impl<N: BaseFloat> OrthoMat3<N> {
#[inline] #[inline]
pub fn set_znear_and_zfar(&mut self, znear: N, zfar: N) { pub fn set_znear_and_zfar(&mut self, znear: N, zfar: N) {
assert!(!::is_zero(&(zfar - znear))); assert!(!::is_zero(&(zfar - znear)));
self.mat.m33 = -num::cast::<f64, N>(2.0).unwrap() / (zfar - znear); self.mat.m33 = -<N as Cast<f64>>::from(2.0) / (zfar - znear);
self.mat.m34 = -(zfar + znear) / (zfar - znear); self.mat.m34 = -(zfar + znear) / (zfar - znear);
} }

7
src/structs/quat.rs
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@ -3,7 +3,6 @@
#![allow(missing_docs)] // we allow missing to avoid having to document the dispatch trait. #![allow(missing_docs)] // we allow missing to avoid having to document the dispatch trait.
use std::mem; use std::mem;
use std::num;
use std::slice::{Iter, IterMut}; use std::slice::{Iter, IterMut};
use std::ops::{Add, Sub, Mul, Div, Neg, Index, IndexMut}; use std::ops::{Add, Sub, Mul, Div, Neg, Index, IndexMut};
use std::iter::{FromIterator, IntoIterator}; use std::iter::{FromIterator, IntoIterator};
@ -176,7 +175,7 @@ impl<N: BaseFloat> UnitQuat<N> {
} }
else { else {
let ang = sqang.sqrt(); let ang = sqang.sqrt();
let (s, c) = (ang / num::cast(2.0f64).unwrap()).sin_cos(); let (s, c) = (ang / Cast::from(2.0)).sin_cos();
let s_ang = s / ang; let s_ang = s / ang;
@ -205,7 +204,7 @@ impl<N: BaseFloat> UnitQuat<N> {
/// The primitive rotations are applied in order: 1 roll − 2 pitch − 3 yaw. /// The primitive rotations are applied in order: 1 roll − 2 pitch − 3 yaw.
#[inline] #[inline]
pub fn new_with_euler_angles(roll: N, pitch: N, yaw: N) -> UnitQuat<N> { pub fn new_with_euler_angles(roll: N, pitch: N, yaw: N) -> UnitQuat<N> {
let _0_5: N = num::cast(0.5f64).unwrap(); let _0_5: N = Cast::from(0.5);
let (sr, cr) = (roll * _0_5).sin_cos(); let (sr, cr) = (roll * _0_5).sin_cos();
let (sp, cp) = (pitch * _0_5).sin_cos(); let (sp, cp) = (pitch * _0_5).sin_cos();
let (sy, cy) = (yaw * _0_5).sin_cos(); let (sy, cy) = (yaw * _0_5).sin_cos();
@ -223,7 +222,7 @@ impl<N: BaseFloat> UnitQuat<N> {
/// Builds a rotation matrix from this quaternion. /// Builds a rotation matrix from this quaternion.
pub fn to_rot(&self) -> Rot3<N> { pub fn to_rot(&self) -> Rot3<N> {
let _2: N = num::cast(2.0f64).unwrap(); let _2: N = Cast::from(2.0);
let ww = self.q.w * self.q.w; let ww = self.q.w * self.q.w;
let ii = self.q.i * self.q.i; let ii = self.q.i * self.q.i;
let jj = self.q.j * self.q.j; let jj = self.q.j * self.q.j;

2
src/traits/structure.rs
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@ -16,7 +16,7 @@ pub trait BaseNum: Copy + Zero + One +
} }
/// Basic floating-point number numeric trait. /// Basic floating-point number numeric trait.
pub trait BaseFloat: Float + BaseNum { pub trait BaseFloat: Float + Cast<f64> + BaseNum {
/// Archimedes' constant. /// Archimedes' constant.
fn pi() -> Self; fn pi() -> Self;
/// 2.0 * pi. /// 2.0 * pi.