Trait ff_ce::PrimeFieldRepr
source · [−]pub trait PrimeFieldRepr: Sized + Copy + Clone + Eq + Ord + Send + Sync + Default + Debug + Display + 'static + Rand + AsRef<[u64]> + AsMut<[u64]> + From<u64> + Hash + Serialize + DeserializeOwned {
Show 14 methods
fn sub_noborrow(&mut self, other: &Self);
fn add_nocarry(&mut self, other: &Self);
fn num_bits(&self) -> u32;
fn is_zero(&self) -> bool;
fn is_odd(&self) -> bool;
fn is_even(&self) -> bool;
fn div2(&mut self);
fn shr(&mut self, amt: u32);
fn mul2(&mut self);
fn shl(&mut self, amt: u32);
fn write_be<W: Write>(&self, writer: W) -> Result<()> { ... }
fn read_be<R: Read>(&mut self, reader: R) -> Result<()> { ... }
fn write_le<W: Write>(&self, writer: W) -> Result<()> { ... }
fn read_le<R: Read>(&mut self, reader: R) -> Result<()> { ... }
}
Expand description
This trait represents a wrapper around a biginteger which can encode any element of a particular
prime field. It is a smart wrapper around a sequence of u64
limbs, least-significant digit
first.
Required Methods
fn sub_noborrow(&mut self, other: &Self)
fn sub_noborrow(&mut self, other: &Self)
Subtract another represetation from this one.
fn add_nocarry(&mut self, other: &Self)
fn add_nocarry(&mut self, other: &Self)
Add another representation to this one.
Compute the number of bits needed to encode this number. Always a multiple of 64.
Performs a leftwise bitshift of this number, effectively multiplying it by 2. Overflow is ignored.
Provided Methods
Writes this PrimeFieldRepr
as a big endian integer.
Reads a big endian integer into this representation.
Writes this PrimeFieldRepr
as a little endian integer.