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factor::numeric::inv_mod_u64: Provide a more-helpful error message

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nicoo 2020-06-19 13:39:42 +02:00
parent 02b419db5f
commit 3a90e31307
1 changed files with 1 additions and 1 deletions
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2
src/uu/factor/src/numeric.rs
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@ -175,7 +175,7 @@ impl Arithmetic for Montgomery {
// extended Euclid algorithm
// precondition: a is odd
pub(crate) fn inv_mod_u64(a: u64) -> u64 {
assert!(a % 2 == 1);
assert!(a % 2 == 1, "{} is not odd", a);
let mut t = 0u64;
let mut newt = 1u64;
let mut r = 0u64;