1use minimal_lexical::bigint;
2#[cfg(feature = "alloc")]
3pub use minimal_lexical::heapvec::HeapVec as VecType;
4#[cfg(not(feature = "alloc"))]
5pub use minimal_lexical::stackvec::StackVec as VecType;
6
7pub fn vec_from_u32(x: &[u32]) -> VecType {
8    let mut vec = VecType::new();
9    #[cfg(not(all(target_pointer_width = "64", not(target_arch = "sparc"))))]
10    {
11        for &xi in x {
12            vec.try_push(xi as bigint::Limb).unwrap();
13        }
14    }
15
16    #[cfg(all(target_pointer_width = "64", not(target_arch = "sparc")))]
17    {
18        for xi in x.chunks(2) {
19            match xi.len() {
20                1 => vec.try_push(xi[0] as bigint::Limb).unwrap(),
21                2 => {
22                    let xi0 = xi[0] as bigint::Limb;
23                    let xi1 = xi[1] as bigint::Limb;
24                    vec.try_push((xi1 << 32) | xi0).unwrap()
25                },
26                _ => unreachable!(),
27            }
28        }
29    }
30
31    vec
32}
33