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
//! Returns the six `u64` limbs in big-endian order.
use super::U384;
impl U384 {
/// Returns the six `u64` limbs in big-endian order.
///
/// The returned array is `[w0, w1, w2, w3, w4, w5]` where `w0` is the most
/// significant limb and `w5` is the least significant limb.
///
/// # Examples
///
/// ```
/// use cnfy_uint::u384::U384;
///
/// let v = U384::from_be_limbs([1, 2, 3, 4, 5, 6]);
/// assert_eq!(v.to_be_limbs(), [1, 2, 3, 4, 5, 6]);
/// ```
#[inline]
pub const fn to_be_limbs(&self) -> [u64; 6] {
[
self.0[5], self.0[4], self.0[3], self.0[2], self.0[1], self.0[0],
]
}
}
#[cfg(test)]
mod ai_tests {
use super::*;
/// Round-trip: from_be_limbs then to_be_limbs returns the original array.
#[test]
fn round_trip() {
let arr = [0xA, 0xB, 0xC, 0xD, 0xE, 0xF];
assert_eq!(U384::from_be_limbs(arr).to_be_limbs(), arr);
}
/// Zero round-trip.
#[test]
fn zero_round_trip() {
assert_eq!(U384::from_be_limbs([0; 6]).to_be_limbs(), [0; 6]);
}
}