clacc/
gmp.rs

1//! Module for implementations using [`::gmp`].
2use gmp::mpz::Mpz;
3
4#[cfg_attr(docsrs, doc(cfg(feature = "gmp")))]
5impl crate::BigInt for Mpz {
6
7    /// ```
8    /// use gmp::mpz::Mpz;
9    /// let x: Mpz = <Mpz as clacc::BigInt>::from_i64(256);
10    /// let y: Mpz = 256.into();
11    /// assert_eq!(x, y);
12    /// ```
13    fn from_i64(v: i64) -> Self {
14        return v.into()
15    }
16
17    /// ```
18    /// use gmp::mpz::Mpz;
19    /// let x: Mpz = <Mpz as clacc::BigInt>::from_bytes_be(
20    ///     vec![0x01, 0x00].as_slice(),
21    /// );
22    /// let y: Mpz = 256.into();
23    /// assert_eq!(x, y);
24    /// ```
25    fn from_bytes_be(bytes: &[u8]) -> Self {
26        bytes.into()
27    }
28
29    /// ```
30    /// use gmp::mpz::Mpz;
31    /// let x = vec![0x01, 0x00];
32    /// let y: Mpz = 256.into();
33    /// assert_eq!(x, <Mpz as clacc::BigInt>::to_bytes_be(&y));
34    /// ```
35    fn to_bytes_be(&self) -> Vec<u8> {
36        self.into()
37    }
38
39    /// ```
40    /// use gmp::mpz::Mpz;
41    /// let x: Mpz = 240.into();
42    /// let y: Mpz = 46.into();
43    /// let (g, a, b) = <Mpz as clacc::BigInt>::gcdext(&x, &y);
44    /// assert_eq!(g, 2.into());
45    /// assert_eq!(a, (-9).into());
46    /// assert_eq!(b, 47.into());
47    /// ```
48    fn gcdext(&self, y: &Self) -> (Self, Self, Self) {
49        let (g, a, b) = Mpz::gcdext(self, y);
50        (g.into(), a.into(), b.into())
51    }
52
53    /// ```
54    /// use gmp::mpz::Mpz;
55    /// let b: Mpz = 5.into();
56    /// let e: Mpz = 3.into();
57    /// let m: Mpz = 13.into();
58    /// let c = <Mpz as clacc::BigInt>::powm(&b, &e, &m);
59    /// assert_eq!(c, 8.into());
60    /// ```
61    fn powm(&self, e: &Self, m: &Self) -> Self {
62        Mpz::powm(self, e, m)
63    }
64
65    /// ```
66    /// use gmp::mpz::Mpz;
67    /// let a: Mpz = 3.into();
68    /// assert_eq!(<Mpz as clacc::BigInt>::size_in_bits(&a), 2);
69    /// let b: Mpz = 256.into();
70    /// assert_eq!(<Mpz as clacc::BigInt>::size_in_bits(&b), 9);
71    /// ```
72    fn size_in_bits(&self) -> usize {
73        Mpz::size_in_base(self, 2)
74    }
75}
clacc/gmp.rs

clacc/
gmp.rs
