score-set 0.1.0

A Rust library for building static weighted scoring operator sets
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47

use crate::lab::gc_ratio;
use crate::*;

#[test]
fn metric_builder_eval() {
    let m = metric("gc")
        .measure()
        .by(|dna: &&str| gc_ratio(dna))
        .map01()
        .by(|raw: &f64, _: &&str| Value01::witness(*raw).unwrap());

    assert_eq!(m.name(), "gc");

    let result = m.eval(&"ACGT");
    assert!((*result - 0.5).abs() < 1e-10);
}

#[test]
fn metric_with_empty_input() {
    let m = metric("gc-empty")
        .measure()
        .by(|dna: &&str| gc_ratio(dna))
        .map01()
        .by(|raw: &f64, _: &&str| Value01::witness(*raw).unwrap());

    let result = m.eval(&"");
    assert!((*result - 0.0).abs() < 1e-10);
}

#[test]
fn metric_usize_input() {
    let m = metric("len")
        .measure()
        .by(|len: &usize| *len)
        .map01()
        .by(|raw: &usize, _: &usize| {
            Value01::witness((*raw as f64 / 100.0).min(1.0)).unwrap()
        });

    assert_eq!(m.name(), "len");

    let result = m.eval(&50);
    assert!((*result - 0.5).abs() < 1e-10);

    let result2 = m.eval(&200);
    assert!((*result2 - 1.0).abs() < 1e-10);
}