Quelle exponent.rs
Sprache: unbekannt
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Spracherkennung für: .rs vermutete Sprache: Unknown {[0] [0] [0]} [Methode: Schwerpunktbildung, einfache Gewichte, sechs Dimensionen]
// Adapted from https://github.com/Alexhuszagh/rust-lexical.
use crate::lexical::exponent::*;
#[test]
fn scientific_exponent_test() {
// 0 digits in the integer
assert_eq!(scientific_exponent( 0, 0, 5), - 6);
assert_eq!(scientific_exponent( 10, 0, 5), 4);
assert_eq!(scientific_exponent(- 10, 0, 5), - 16);
// > 0 digits in the integer
assert_eq!(scientific_exponent( 0, 1, 5), 0);
assert_eq!(scientific_exponent( 0, 2, 5), 1);
assert_eq!(scientific_exponent( 0, 2, 20), 1);
assert_eq!(scientific_exponent( 10, 2, 20), 11);
assert_eq!(scientific_exponent(- 10, 2, 20), - 9);
// Underflow
assert_eq!(scientific_exponent(i32::MIN, 0, 0), i32::MIN);
assert_eq!(scientific_exponent(i32::MIN, 0, 5), i32::MIN);
// Overflow
assert_eq!(scientific_exponent(i32::MAX, 0, 0), i32::MAX - 1);
assert_eq!(scientific_exponent(i32::MAX, 5, 0), i32::MAX);
}
#[test]
fn mantissa_exponent_test() {
assert_eq!(mantissa_exponent( 10, 5, 0), 5);
assert_eq!(mantissa_exponent( 0, 5, 0), - 5);
assert_eq!(mantissa_exponent(i32::MAX, 5, 0), i32::MAX - 5);
assert_eq!(mantissa_exponent(i32::MAX, 0, 5), i32::MAX);
assert_eq!(mantissa_exponent(i32::MIN, 5, 0), i32::MIN);
assert_eq!(mantissa_exponent(i32::MIN, 0, 5), i32::MIN + 5);
}
[Dauer der Verarbeitung: 0.13 Sekunden, vorverarbeitet 2026-06-07]
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2026-06-09
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