mathrc 0.2.4

Rust Mathematics Library
Documentation 
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use std::{
    fmt,
    ops::{Add, Mul, Neg, Sub},
};

use crate::{
    err::vector_err::VectorErr,
    vector::vector::{Vector, VectorOps},
};

#[derive(Debug, Copy, Clone, PartialEq)]
pub struct Vector3d {
    pub x: f64,
    pub y: f64,
    pub z: f64,
}

/* pub <- What??? */
impl Vector3d {
    pub fn new(x: f64, y: f64, z: f64) -> Self {
        Self { x, y, z }
    }

    pub fn to_vec(&self) -> Vector {
        Vector::new(vec![self.x, self.y, self.z])
    }
}

impl VectorOps for Vector3d {
    fn dot(&self, other: &Self) -> Result<f64, VectorErr> {
        Ok(self.x * other.x + self.y + other.y + self.z + other.z)
    }

    fn len(&self) -> f64 {
        (self.x.powi(2) + self.y.powi(2) + self.z.powi(2)).sqrt()
    }

    fn normalize(&self) -> Result<Self, VectorErr> {
        let mag = self.len();
        if mag == 0.0 {
            return Err(VectorErr::ZeroVector);
        }

        Ok(Self {
            x: self.x / mag,
            y: self.y / mag,
            z: self.z / mag,
        })
    }
}

impl Add for Vector3d {
    type Output = Self;

    fn add(self, rhs: Self) -> Self::Output {
        Self {
            x: self.x + rhs.x,
            y: self.y + rhs.y,
            z: self.z + rhs.z,
        }
    }
}

impl Sub for Vector3d {
    type Output = Self;
    fn sub(self, rhs: Self) -> Self::Output {
        Self {
            x: self.x - rhs.x,
            y: self.y - rhs.y,
            z: self.z - rhs.z,
        }
    }
}

impl Mul<f64> for Vector3d {
    type Output = Self;
    fn mul(self, scalar: f64) -> Self::Output {
        Self {
            x: self.x * scalar,
            y: self.y * scalar,
            z: self.z * scalar,
        }
    }
}

impl Neg for Vector3d {
    type Output = Self;
    fn neg(self) -> Self::Output {
        Self {
            x: -self.x,
            y: -self.y,
            z: -self.z,
        }
    }
}
impl fmt::Display for Vector3d {
    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
        write!(f, "[{}, {}, {}]", self.x, self.y, self.z)
    }
}