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Reduce zero and one casts

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This commit is contained in:
Brendan Zabarauskas 2012-11-04 14:39:33 +10:00
parent a0cd3f77d8
commit f3183dd0f1
2 changed files with 115 additions and 20 deletions
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20
src/quaternion.rs
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@ -51,11 +51,25 @@ pub mod Quat {
Quat { w: move w, x: move x, y: move y, z: move z }
}
#[inline(always)] pub pure fn zero <T: Num>() -> Quat<T> { Quat { w: from_int(0), x: from_int(0), y: from_int(0), z: from_int(0) } }
#[inline(always)] pub pure fn identity <T: Num>() -> Quat<T> { Quat { w: from_int(1), x: from_int(0), y: from_int(0), z: from_int(0) } }
#[inline(always)]
pub pure fn from_sv<T:Copy>(s: T, v: Vec3<T>) -> Quat<T> {
Quat::new(s, v.x, v.y, v.z)
}
#[inline(always)]
pub pure fn zero <T:Copy NumCast>() -> Quat<T> {
let _0 = cast(0);
Quat::new(_0, _0, _0, _0)
}
#[inline(always)]
pub pure fn identity <T:Copy NumCast>() -> Quat<T> {
let _0 = cast(0);
Quat::new(cast(1), _0, _0, _0)
}
}
pub impl<T:Copy Num Sqrt FuzzyEq> Quat<T>: Quaternion<T> {
pub impl<T:Copy Num NumCast Sqrt FuzzyEq> Quat<T>: Quaternion<T> {
#[inline(always)]
pure fn dim() -> uint { 4 }

115
src/vector.rs
View file

@ -49,10 +49,31 @@ pub mod Vec2 {
Vec2 { x: move x, y: move y }
}
#[inline(always)] pub pure fn zero <T: Num>() -> Vec2<T> { Vec2 { x: from_int(0), y: from_int(0) } }
#[inline(always)] pub pure fn unit_x <T: Num>() -> Vec2<T> { Vec2 { x: from_int(1), y: from_int(0) } }
#[inline(always)] pub pure fn unit_y <T: Num>() -> Vec2<T> { Vec2 { x: from_int(0), y: from_int(1) } }
#[inline(always)] pub pure fn identity <T: Num>() -> Vec2<T> { Vec2 { x: from_int(1), y: from_int(1) } }
#[inline(always)]
pub pure fn zero<T:Copy NumCast>() -> Vec2<T> {
let _0 = cast(0);
Vec2::new(_0, _0)
}
#[inline(always)]
pub pure fn unit_x<T:Copy NumCast>() -> Vec2<T> {
let _0 = cast(0);
let _1 = cast(1);
Vec2::new(_1, _0)
}
#[inline(always)]
pub pure fn unit_y<T:Copy NumCast>() -> Vec2<T> {
let _0 = cast(0);
let _1 = cast(1);
Vec2::new(_0, _1)
}
#[inline(always)]
pub pure fn identity<T:Copy NumCast>() -> Vec2<T> {
let _1 = cast(1);
Vec2::new(_1, _1)
}
}
pub impl<T:Copy Num Sqrt> Vec2<T>: Vector<T> {
@ -216,12 +237,39 @@ pub mod Vec3 {
pub pure fn new<T>(x: T, y: T, z: T) -> Vec3<T> {
Vec3 { x: move x, y: move y, z: move z }
}
#[inline(always)] pub pure fn zero <T: Num>() -> Vec3<T> { Vec3 { x: from_int(0), y: from_int(0), z: from_int(0) } }
#[inline(always)] pub pure fn unit_x <T: Num>() -> Vec3<T> { Vec3 { x: from_int(1), y: from_int(0), z: from_int(0) } }
#[inline(always)] pub pure fn unit_y <T: Num>() -> Vec3<T> { Vec3 { x: from_int(0), y: from_int(1), z: from_int(0) } }
#[inline(always)] pub pure fn unit_z <T: Num>() -> Vec3<T> { Vec3 { x: from_int(0), y: from_int(0), z: from_int(1) } }
#[inline(always)] pub pure fn identity <T: Num>() -> Vec3<T> { Vec3 { x: from_int(1), y: from_int(1), z: from_int(1) } }
#[inline(always)]
pub pure fn zero<T:Copy NumCast>() -> Vec3<T> {
let _0 = cast(0);
Vec3::new(_0, _0, _0)
}
#[inline(always)]
pub pure fn unit_x<T:Copy NumCast>() -> Vec3<T> {
let _0 = cast(0);
let _1 = cast(1);
Vec3::new(_1, _0, _0)
}
#[inline(always)]
pub pure fn unit_y<T:Copy NumCast>() -> Vec3<T> {
let _0 = cast(0);
let _1 = cast(1);
Vec3::new(_0, _1, _0)
}
#[inline(always)]
pub pure fn unit_z<T:Copy NumCast>() -> Vec3<T> {
let _0 = cast(0);
let _1 = cast(1);
Vec3::new(_0, _0, _1)
}
#[inline(always)]
pub pure fn identity<T:Copy NumCast>() -> Vec3<T> {
let _1 = cast(1);
Vec3::new(_1, _1, _1)
}
}
pub impl<T:Copy Num> Vec3<T>: Vector3<T> {
@ -407,13 +455,46 @@ pub mod Vec4 {
pub pure fn new<T>(x: T, y: T, z: T, w: T) -> Vec4<T> {
Vec4 { x: move x, y: move y, z: move z, w: move w }
}
#[inline(always)] pub pure fn zero <T: Num>() -> Vec4<T> { Vec4 { x: from_int(0), y: from_int(0), z: from_int(0), w: from_int(0) } }
#[inline(always)] pub pure fn unit_x <T: Num>() -> Vec4<T> { Vec4 { x: from_int(1), y: from_int(0), z: from_int(0), w: from_int(0) } }
#[inline(always)] pub pure fn unit_y <T: Num>() -> Vec4<T> { Vec4 { x: from_int(0), y: from_int(1), z: from_int(0), w: from_int(0) } }
#[inline(always)] pub pure fn unit_z <T: Num>() -> Vec4<T> { Vec4 { x: from_int(0), y: from_int(0), z: from_int(1), w: from_int(0) } }
#[inline(always)] pub pure fn unit_w <T: Num>() -> Vec4<T> { Vec4 { x: from_int(0), y: from_int(0), z: from_int(0), w: from_int(1) } }
#[inline(always)] pub pure fn identity <T: Num>() -> Vec4<T> { Vec4 { x: from_int(1), y: from_int(1), z: from_int(1), w: from_int(1) } }
#[inline(always)]
pub pure fn zero<T:Copy NumCast>() -> Vec4<T> {
let _0 = cast(0);
Vec4::new(_0, _0, _0, _0)
}
#[inline(always)]
pub pure fn unit_x<T:Copy NumCast>() -> Vec4<T> {
let _0 = cast(0);
let _1 = cast(1);
Vec4::new(_1, _0, _0, _0)
}
#[inline(always)]
pub pure fn unit_y<T:Copy NumCast>() -> Vec4<T> {
let _0 = cast(0);
let _1 = cast(1);
Vec4::new(_0, _1, _0, _0)
}
#[inline(always)]
pub pure fn unit_z<T:Copy NumCast>() -> Vec4<T> {
let _0 = cast(0);
let _1 = cast(1);
Vec4::new(_0, _0, _1, _0)
}
#[inline(always)]
pub pure fn unit_w<T:Copy NumCast>() -> Vec4<T> {
let _0 = cast(0);
let _1 = cast(1);
Vec4::new(_0, _0, _0, _1)
}
#[inline(always)]
pub pure fn identity<T:Copy NumCast>() -> Vec4<T> {
let _1 = cast(1);
Vec4::new(_1, _1, _1, _1)
}
}
pub impl<T:Copy Num Sqrt> Vec4<T>: Vector<T> {