hexga_math 0.0.11-beta.53

Math related crate that define number and casting, and support array programming...
Documentation 
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use super::*;

/// 1 dimension: x
#[repr(C)]
pub struct CoordX<T>
{
    pub x: T,
}
impl<T> Deref for Vector<T, 1>
{
    type Target = CoordX<T>;
    fn deref(&self) -> &Self::Target { unsafe { std::mem::transmute(self) } }
}
impl<T> DerefMut for Vector<T, 1>
{
    fn deref_mut(&mut self) -> &mut Self::Target { unsafe { std::mem::transmute(self) } }
}

pub type Vector1<T> = Vector<T, 1>;

impl<T> Vector<T, 1> // Hardcode N here otherwise rust-analyser will not like it
{
    pub const fn new(x: T) -> Self { Self::from_array([x]) }
    pub fn with_y(self, y: T) -> Vector2<T>
    {
        let [x] = self.array;
        Vector2::new(x, y)
    }
}

pub trait SplatCoord1: Sized + Copy
{
    fn splat1(self) -> Vector1<Self> { Vector1::splat(self) }
}
impl<T: Copy> SplatCoord1 for T {}

impl<T> From<(T,)> for Vector1<T>
{
    fn from(value: (T,)) -> Self { Vector1::new(value.0) }
}
impl<T> From<Vector1<T>> for (T,)
{
    fn from(value: Vector1<T>) -> Self
    {
        let [x] = value.array;
        (x,)
    }
}

pub const fn vector1<T>(x: T) -> Vector1<T> { Vector1::new(x) }

pub type Bool1 = Bool<1>;
pub const fn bool1(x: bool) -> Bool1 { Bool1::new(x) }

pub type Vec1 = Vector1<float>;
pub const fn vec1(x: float) -> Vec1 { Vec1::new(x) }
pub type Coef1 = Vec1;

pub type Point1 = Point<1>;
pub const fn point1(x: int) -> Point1 { Point1::new(x) }

impl<T> HaveX<T> for Vector1<T>
{
    fn iter_x<'a>(&'a self) -> impl Iterator<Item = &'a T>
    where
        T: 'a,
    {
        self.array().as_slice()[0..=Self::X_INDEX].iter()
    }

    fn iter_x_mut<'a>(&'a mut self) -> impl Iterator<Item = &'a mut T>
    where
        T: 'a,
    {
        self.array_mut().as_mut_slice()[0..=Self::X_INDEX].iter_mut()
    }
}
impl<T> HaveXAndOne<T> for Vector1<T>
where
    T: One + Zero,
{
    const X: Self = Vector1::new(T::ONE);
}
impl<T> HaveXAndMinusOne<T> for Vector1<T>
where
    T: MinusOne + Zero,
{
    const MINUS_X: Self = Vector1::new(T::MINUS_ONE);
}

impl<T> From<Vector2<T>> for Vector1<T>
{
    fn from(value: Vector2<T>) -> Self
    {
        let [x, ..] = value.to_array();
        Self::new(x)
    }
}
impl<T> From<Vector3<T>> for Vector1<T>
{
    fn from(value: Vector3<T>) -> Self
    {
        let [x, ..] = value.to_array();
        Self::new(x)
    }
}
impl<T> From<Vector4<T>> for Vector1<T>
{
    fn from(value: Vector4<T>) -> Self
    {
        let [x, ..] = value.to_array();
        Self::new(x)
    }
}

pub type Vector1Iter<T> = VectorIter<Vector1<T>, 1>;

pub(crate) mod prelude
{
    pub use super::{Bool1, Point1, SplatCoord1, Vec1, Vector1, bool1, point1, vec1, vector1};
}