29 lines
806 B
Rust
29 lines
806 B
Rust
use lexical_parse_float::bigint::{Limb, StackVec};
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pub fn vec_from_u32<const SIZE: usize>(x: &[u32]) -> StackVec<SIZE> {
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let mut vec = StackVec::<SIZE>::new();
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#[cfg(not(all(target_pointer_width = "64", not(target_arch = "sparc"))))]
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{
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for &xi in x {
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vec.try_push(xi as Limb).unwrap();
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}
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}
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#[cfg(all(target_pointer_width = "64", not(target_arch = "sparc")))]
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{
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for xi in x.chunks(2) {
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match xi.len() {
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1 => vec.try_push(xi[0] as Limb).unwrap(),
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2 => {
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let xi0 = xi[0] as Limb;
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let xi1 = xi[1] as Limb;
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vec.try_push((xi1 << 32) | xi0).unwrap()
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},
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_ => unreachable!(),
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}
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}
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}
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vec
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}
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