relp_num/integer/big/
mod.rs

1use std::mem;
2
3use smallvec::SmallVec;
4
5/// Unsigned big integer.
6#[derive(Hash, Eq, PartialEq, Clone, Debug)]
7pub struct Ubig<const S: usize>(SmallVec<[usize; S]>);
8/// Non zero unsigned big integer.
9#[derive(Hash, Eq, PartialEq, Clone, Debug)]
10pub struct NonZeroUbig<const S: usize>(SmallVec<[usize; S]>);
11
12pub mod io;
13pub mod ops;
14pub mod properties;
15
16impl<const S: usize> Ubig<S> {
17    pub(crate) unsafe fn is_well_formed(&self) -> bool {
18        match self.0.last() {
19            None => true,
20            Some(&value) => value != 0,
21        }
22    }
23    pub(crate) fn inner(&self) -> &SmallVec<[usize; S]> {
24        &self.0
25    }
26    pub(crate) unsafe fn inner_mut(&mut self) -> &mut SmallVec<[usize; S]> {
27        &mut self.0
28    }
29    pub(crate) fn into_inner(self) -> SmallVec<[usize; S]> {
30        self.0
31    }
32}
33
34impl<const S: usize> NonZeroUbig<S> {
35    pub(crate) unsafe fn is_well_formed(&self) -> bool {
36        match self.0.last() {
37            None => false,
38            Some(&value) => value != 0,
39        }
40    }
41    pub(crate) fn inner(&self) -> &SmallVec<[usize; S]> {
42        &self.0
43    }
44    pub(crate) unsafe fn inner_mut(&mut self) -> &mut SmallVec<[usize; S]> {
45        &mut self.0
46    }
47    pub(crate) fn first(&self) -> &usize {
48        unsafe {
49            self.0.get_unchecked(0)
50        }
51    }
52    pub(crate) unsafe fn first_mut(&mut self) -> &mut usize {
53        self.0.get_unchecked_mut(0)
54    }
55    pub(crate) fn into_inner(self) -> SmallVec<[usize; S]> {
56        self.0
57    }
58}
59
60pub const BITS_PER_WORD: u32 = (mem::size_of::<usize>() * 8) as u32;
relp_num/integer/big/mod.rs

relp_num/integer/big/
mod.rs
