conspire/
lib.rs

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")]
8pub mod fem;
9
10#[cfg(feature = "math")]
11pub mod math;
12
13#[cfg(feature = "mechanics")]
14pub mod mechanics;
15
16#[cfg(test)]
17mod test;
18
19use std::{
20    sync::atomic::{AtomicU64, Ordering},
21    time::{SystemTime, UNIX_EPOCH},
22};
23
24/// Absolute tolerance.
25pub const ABS_TOL: f64 = 1e-12;
26
27/// Relative tolerance.
28pub const REL_TOL: f64 = 1e-12;
29
30#[cfg(test)]
31/// A perturbation.
32pub const EPSILON: f64 = 1e-6;
33
34#[allow(dead_code)]
35#[cfg_attr(coverage_nightly, coverage(off))]
36fn defeat_message<'a>() -> &'a str {
37    match random_u8(14) {
38        0 => "Game over.",
39        1 => "I am Error.",
40        2 => "Insert coin to continue.",
41        3 => "Now let's all agree to never be creative again.",
42        4 => "Oh dear, you are dead!",
43        5 => "Press F to pay respects.",
44        6 => "Surprise! You're dead!",
45        7 => "Task failed successfully.",
46        8 => "This is not your grave, but you are welcome in it.",
47        9 => "To be continued...",
48        10 => "What a horrible night to have a curse.",
49        11 => "You cannot give up just yet.",
50        12 => "You have died of dysentery.",
51        13 => "You lost the game.",
52        14.. => "You've met with a terrible fate, haven't you?",
53    }
54}
55
56#[allow(dead_code)]
57#[cfg_attr(coverage_nightly, coverage(off))]
58fn victory_message<'a>() -> &'a str {
59    match random_u8(7) {
60        0 => "A winner is you!",
61        1 => "Bird up!",
62        2 => "Congraturation, this story is happy end!",
63        3 => "Flawless victory.",
64        4 => "Hey, that's pretty good!",
65        5 => "Nice work, bone daddy.",
66        6 => "That's Numberwang!",
67        7.. => "That was totes yeet, yo!",
68    }
69}
70
71fn random_u8(max: u8) -> u8 {
72    if max == u8::MAX {
73        return get_random();
74    }
75    // let range = (max as u16) + 1;
76    // let threshold = ((256_u16 / range) * range) as u8;
77    let mut attempts = 0;
78    loop {
79        let val = get_random();
80        // if val < threshold {
81        //     return val % (max + 1);
82        // }
83        attempts += 1;
84        if attempts > 10 {
85            return val % (max + 1);
86        }
87    }
88}
89
90fn get_random() -> u8 {
91    static STATE: AtomicU64 = AtomicU64::new(0);
92    let mut s = STATE.load(Ordering::Relaxed);
93    if s == 0 {
94        let now = SystemTime::now()
95            .duration_since(UNIX_EPOCH)
96            .unwrap_or_default();
97        s = 1 + now.as_nanos() as u64;
98    }
99    s ^= s << 13;
100    s ^= s >> 7;
101    s ^= s << 17;
102    STATE.store(s, Ordering::Relaxed);
103    (s >> 56) as u8
104}
conspire/lib.rs

conspire/
lib.rs
