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 :)
42 lines
1.3 KiB
Rust
42 lines
1.3 KiB
Rust
#![allow(clippy::unwrap_used)]
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use crate::test::util::new_empty_model;
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#[test]
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fn test_fn_weibull_dist_smoke() {
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let mut model = new_empty_model();
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// Valid: CDF and PDF for x = 1, alpha = 2, beta = 1
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model._set("A1", "=WEIBULL.DIST(1, 2, 1, TRUE)");
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model._set("A2", "=WEIBULL.DIST(1, 2, 1, FALSE)");
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// Wrong number of arguments -> #ERROR!
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model._set("A3", "=WEIBULL.DIST(1, 2, 1)");
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model._set("A4", "=WEIBULL.DIST(1, 2, 1, TRUE, FALSE)");
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// Domain errors:
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// x < 0 -> #NUM!
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model._set("A5", "=WEIBULL.DIST(-1, 2, 1, TRUE)");
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// alpha <= 0 -> #NUM!
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model._set("A6", "=WEIBULL.DIST(1, 0, 1, TRUE)");
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model._set("A7", "=WEIBULL.DIST(1, -1, 1, TRUE)");
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// beta <= 0 -> #NUM!
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model._set("A8", "=WEIBULL.DIST(1, 2, 0, TRUE)");
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model._set("A9", "=WEIBULL.DIST(1, 2, -1, TRUE)");
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model.evaluate();
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// 1 - e^-1
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assert_eq!(model._get_text("A1"), *"0.632120559");
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// 2 * e^-1
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assert_eq!(model._get_text("A2"), *"0.735758882");
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assert_eq!(model._get_text("A3"), *"#ERROR!");
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assert_eq!(model._get_text("A4"), *"#ERROR!");
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assert_eq!(model._get_text("A5"), *"#NUM!");
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assert_eq!(model._get_text("A6"), *"#NUM!");
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assert_eq!(model._get_text("A7"), *"#NUM!");
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assert_eq!(model._get_text("A8"), *"#NUM!");
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assert_eq!(model._get_text("A9"), *"#NUM!");
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}
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