unitforge/quantities/
velocity.rs

1use crate::impl_macros::macros::*;
2use crate::prelude::*;
3use ndarray::{Array1, Array2, ArrayView1, ArrayView2};
4use num_traits::identities::Zero;
5use num_traits::{Float, FromPrimitive};
6#[cfg(feature = "pyo3")]
7use pyo3::pyclass;
8#[cfg(feature = "serde")]
9use serde::{Deserialize, Serialize};
10use std::cmp::Ordering;
11use std::fmt;
12use std::ops::{Add, AddAssign, Div, DivAssign, Mul, MulAssign, Neg, Sub, SubAssign};
13#[cfg(feature = "strum")]
14use strum_macros::EnumIter;
15
16#[cfg_attr(feature = "strum", derive(EnumIter))]
17#[cfg_attr(feature = "serde", derive(Serialize, Deserialize))]
18#[derive(Copy, Clone, PartialEq, Debug)]
19#[cfg_attr(feature = "pyo3", pyclass(eq, eq_int))]
20pub enum VelocityUnit {
21    km_s,
22    m_s,
23    cm_s,
24    mm_s,
25    km_h,
26}
27
28impl PhysicsUnit for VelocityUnit {
29    fn name(&self) -> &str {
30        match &self {
31            VelocityUnit::km_s => "km/s",
32            VelocityUnit::m_s => "m/s",
33            VelocityUnit::cm_s => "cm/s",
34            VelocityUnit::mm_s => "mm/s",
35            VelocityUnit::km_h => "km/h",
36        }
37    }
38
39    fn base_per_x(&self) -> (f64, i32) {
40        match self {
41            VelocityUnit::km_s => (1., 3),
42            VelocityUnit::m_s => (1., 0),
43            VelocityUnit::cm_s => (1., 2),
44            VelocityUnit::mm_s => (1., 3),
45            VelocityUnit::km_h => (1. / 3.6, 0),
46        }
47    }
48}
49
50impl_const!(Velocity, c, 2.99792458, 8);
51
52impl_quantity!(Velocity, VelocityUnit, [VelocityUnit::m_s]);
53impl_div_with_self_to_f64!(Velocity);
unitforge/quantities/velocity.rs

unitforge/quantities/
velocity.rs
