1#![cfg_attr(coverage_nightly, feature(coverage_attribute))]
2#![doc = include_str!("../README.md")]
3
4#[cfg(feature = "constitutive")]
5pub mod constitutive;
6
7#[cfg(feature = "fem")]
8#[path = "domain/fem/mod.rs"]
9pub mod fem;
10
11#[cfg(feature = "math")]
12pub mod math;
13
14#[cfg(feature = "mechanics")]
15pub mod mechanics;
16
17#[cfg(feature = "vem")]
18#[path = "domain/vem/mod.rs"]
19pub mod vem;
20
21#[cfg(test)]
22mod test;
23
24use std::{
25 sync::atomic::{AtomicU64, Ordering},
26 time::{SystemTime, UNIX_EPOCH},
27};
28
29pub const ABS_TOL: f64 = 1e-12;
31
32pub const REL_TOL: f64 = 1e-12;
34
35#[cfg(test)]
36pub const EPSILON: f64 = 1e-6;
38
39#[allow(dead_code)]
40#[cfg_attr(coverage_nightly, coverage(off))]
41fn defeat_message<'a>() -> &'a str {
42 match random_u8(14) {
43 0 => "Game over.",
44 1 => "I am Error.",
45 2 => "Insert coin to continue.",
46 3 => "Now let's all agree to never be creative again.",
47 4 => "Oh dear, you are dead!",
48 5 => "Press F to pay respects.",
49 6 => "Surprise! You're dead!",
50 7 => "Task failed successfully.",
51 8 => "This is not your grave, but you are welcome in it.",
52 9 => "To be continued...",
53 10 => "What a horrible night to have a curse.",
54 11 => "You cannot give up just yet.",
55 12 => "You have died of dysentery.",
56 13 => "You lost the game.",
57 14.. => "You've met with a terrible fate, haven't you?",
58 }
59}
60
61#[allow(dead_code)]
62#[cfg_attr(coverage_nightly, coverage(off))]
63fn victory_message<'a>() -> &'a str {
64 match random_u8(7) {
65 0 => "A winner is you!",
66 1 => "Bird up!",
67 2 => "Congraturation, this story is happy end!",
68 3 => "Flawless victory.",
69 4 => "Hey, that's pretty good!",
70 5 => "Nice work, bone daddy.",
71 6 => "That's Numberwang!",
72 7.. => "That was totes yeet, yo!",
73 }
74}
75
76fn random_u8(max: u8) -> u8 {
77 if max == u8::MAX {
78 return get_random();
79 }
80 let mut attempts = 0;
83 loop {
84 let val = get_random();
85 attempts += 1;
89 if attempts > 10 {
90 return val % (max + 1);
91 }
92 }
93}
94
95fn get_random() -> u8 {
96 static STATE: AtomicU64 = AtomicU64::new(0);
97 let mut s = STATE.load(Ordering::Relaxed);
98 if s == 0 {
99 let now = SystemTime::now()
100 .duration_since(UNIX_EPOCH)
101 .unwrap_or_default();
102 s = 1 + now.as_nanos() as u64;
103 }
104 s ^= s << 13;
105 s ^= s >> 7;
106 s ^= s << 17;
107 STATE.store(s, Ordering::Relaxed);
108 (s >> 56) as u8
109}