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use_statics_basic_usage/
basic_usage.rs

1use use_statics::{
2    CantileverReaction, Force2D, StaticSystem2D, cantilever_end_point_load_reaction,
3    simply_supported_point_load_reactions,
4};
5
6fn approx_eq(left: f64, right: f64, tolerance: f64) {
7    assert!(
8        (left - right).abs() <= tolerance,
9        "expected {left} to be within {tolerance} of {right}"
10    );
11}
12
13fn main() {
14    let Some(force_left) = Force2D::new(100.0, 0.0) else {
15        panic!("valid force should construct");
16    };
17    let Some(force_right) = Force2D::new(-100.0, 0.0) else {
18        panic!("valid force should construct");
19    };
20
21    let Some(system) = StaticSystem2D::new(vec![force_left, force_right], vec![0.0]) else {
22        panic!("valid system should construct");
23    };
24
25    assert_eq!(system.is_equilibrium(0.0), Some(true));
26
27    let Some((left, right)) = simply_supported_point_load_reactions(10.0, 100.0, 5.0) else {
28        panic!("valid point load should produce reactions");
29    };
30
31    approx_eq(left, 50.0, 1.0e-12);
32    approx_eq(right, 50.0, 1.0e-12);
33
34    assert_eq!(
35        cantilever_end_point_load_reaction(10.0, 100.0),
36        Some(CantileverReaction {
37            vertical_reaction: 100.0,
38            fixed_end_moment: 1000.0,
39        })
40    );
41}