Source code
Revision control
Copy as Markdown
Other Tools
use minimal_lexical::bigint;
#[cfg(feature = "alloc")]
pub use minimal_lexical::heapvec::HeapVec as VecType;
#[cfg(not(feature = "alloc"))]
pub use minimal_lexical::stackvec::StackVec as VecType;
pub fn vec_from_u32(x: &[u32]) -> VecType {
let mut vec = VecType::new();
#[cfg(not(all(target_pointer_width = "64", not(target_arch = "sparc"))))]
{
for &xi in x {
vec.try_push(xi as bigint::Limb).unwrap();
}
}
#[cfg(all(target_pointer_width = "64", not(target_arch = "sparc")))]
{
for xi in x.chunks(2) {
match xi.len() {
1 => vec.try_push(xi[0] as bigint::Limb).unwrap(),
2 => {
let xi0 = xi[0] as bigint::Limb;
let xi1 = xi[1] as bigint::Limb;
vec.try_push((xi1 << 32) | xi0).unwrap()
},
_ => unreachable!(),
}
}
}
vec
}