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Add zero constant

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Brendan Zabarauskas 2012-12-02 15:36:10 +10:00
parent 4515c9f7e0
commit 2b931aee21
1 changed files with 13 additions and 10 deletions
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23
src/angle.rs
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@ -22,6 +22,7 @@ pub trait Angle<T>: Add<self,self>
static pure fn quadrant() -> self;
static pure fn sextant() -> self;
static pure fn octant() -> self;
static pure fn zero() -> self;
pure fn to_radians(&self) -> Radians<T>;
pure fn to_degrees(&self) -> Degrees<T>;
@ -37,11 +38,12 @@ pub enum Radians<T> = T;
// FIXME: not sure why I need the Eq and Ord trait bounds, but Rust complains if I don't include them
pub impl<T:Copy Num NumCast Eq Ord> Radians<T>: Angle<T> {
#[inline(always)] static pure fn full_turn() -> Radians<T> { Radians(move cast(2.0 * pi)) } // TODO: calculate absolute values
#[inline(always)] static pure fn half_turn() -> Radians<T> { Radians(move cast(pi)) }
#[inline(always)] static pure fn quadrant() -> Radians<T> { Radians(move cast(pi / 2.0)) }
#[inline(always)] static pure fn sextant() -> Radians<T> { Radians(move cast(pi / 3.0)) }
#[inline(always)] static pure fn octant() -> Radians<T> { Radians(move cast(pi / 4.0)) }
#[inline(always)] static pure fn full_turn() -> Radians<T> { Radians(cast(2.0 * pi)) } // TODO: calculate absolute values
#[inline(always)] static pure fn half_turn() -> Radians<T> { Radians(cast(pi)) }
#[inline(always)] static pure fn quadrant() -> Radians<T> { Radians(cast(pi / 2.0)) }
#[inline(always)] static pure fn sextant() -> Radians<T> { Radians(cast(pi / 3.0)) }
#[inline(always)] static pure fn octant() -> Radians<T> { Radians(cast(pi / 4.0)) }
#[inline(always)] static pure fn zero() -> Radians<T> { Radians(cast(0.0)) }
#[inline(always)] pure fn to_radians(&self) -> Radians<T> { *self }
#[inline(always)] pure fn to_degrees(&self) -> Degrees<T> { Degrees(**self * cast(180.0 / pi)) }
@ -123,11 +125,12 @@ pub enum Degrees<T> = T;
// FIXME: not sure why I need the Eq and Ord trait bounds, but Rust complains if I don't include them
pub impl<T:Copy Num NumCast Eq Ord> Degrees<T>: Angle<T> {
#[inline(always)] static pure fn full_turn() -> Degrees<T> { Degrees(move cast(360.0)) }
#[inline(always)] static pure fn half_turn() -> Degrees<T> { Degrees(move cast(180.0)) }
#[inline(always)] static pure fn quadrant() -> Degrees<T> { Degrees(move cast(90.0)) }
#[inline(always)] static pure fn sextant() -> Degrees<T> { Degrees(move cast(60.0)) }
#[inline(always)] static pure fn octant() -> Degrees<T> { Degrees(move cast(45.0)) }
#[inline(always)] static pure fn full_turn() -> Degrees<T> { Degrees(cast(360.0)) }
#[inline(always)] static pure fn half_turn() -> Degrees<T> { Degrees(cast(180.0)) }
#[inline(always)] static pure fn quadrant() -> Degrees<T> { Degrees(cast(90.0)) }
#[inline(always)] static pure fn sextant() -> Degrees<T> { Degrees(cast(60.0)) }
#[inline(always)] static pure fn octant() -> Degrees<T> { Degrees(cast(45.0)) }
#[inline(always)] static pure fn zero() -> Degrees<T> { Degrees(cast(0.0)) }
#[inline(always)] pure fn to_radians(&self) -> Radians<T> { Radians(**self * cast(pi / 180.0)) }
#[inline(always)] pure fn to_degrees(&self) -> Degrees<T> { *self }