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UPDATE: Adds 56 functions in the Statistical section

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Uses statrs for numerical functions

REFACTOR: Put statistical functions on its own module

This might seem counter-intuitive but the wasm build after this refactor
is 1528 bytes smaller :)
This commit is contained in:
Nicolás Hatcher
2025-11-20 21:10:47 +01:00
committed by Nicolás Hatcher Andrés
parent 67ef3bcf87
commit 6822505602
54 changed files with 7290 additions and 387 deletions
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41
base/src/test/statistical/test_fn_weibull.rs Normal file
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#![allow(clippy::unwrap_used)]
use crate::test::util::new_empty_model;
#[test]
fn test_fn_weibull_dist_smoke() {
let mut model = new_empty_model();
// Valid: CDF and PDF for x = 1, alpha = 2, beta = 1
model._set("A1", "=WEIBULL.DIST(1, 2, 1, TRUE)");
model._set("A2", "=WEIBULL.DIST(1, 2, 1, FALSE)");
// Wrong number of arguments -> #ERROR!
model._set("A3", "=WEIBULL.DIST(1, 2, 1)");
model._set("A4", "=WEIBULL.DIST(1, 2, 1, TRUE, FALSE)");
// Domain errors:
// x < 0 -> #NUM!
model._set("A5", "=WEIBULL.DIST(-1, 2, 1, TRUE)");
// alpha <= 0 -> #NUM!
model._set("A6", "=WEIBULL.DIST(1, 0, 1, TRUE)");
model._set("A7", "=WEIBULL.DIST(1, -1, 1, TRUE)");
// beta <= 0 -> #NUM!
model._set("A8", "=WEIBULL.DIST(1, 2, 0, TRUE)");
model._set("A9", "=WEIBULL.DIST(1, 2, -1, TRUE)");
model.evaluate();
// 1 - e^-1
assert_eq!(model._get_text("A1"), *"0.632120559");
// 2 * e^-1
assert_eq!(model._get_text("A2"), *"0.735758882");
assert_eq!(model._get_text("A3"), *"#ERROR!");
assert_eq!(model._get_text("A4"), *"#ERROR!");
assert_eq!(model._get_text("A5"), *"#NUM!");
assert_eq!(model._get_text("A6"), *"#NUM!");
assert_eq!(model._get_text("A7"), *"#NUM!");
assert_eq!(model._get_text("A8"), *"#NUM!");
assert_eq!(model._get_text("A9"), *"#NUM!");
}