#[repr(C)]pub struct U512(pub [u64; 8]);
Expand description
Little-endian large integer type 512-bits unsigned integer.
Tuple Fields§
§0: [u64; 8]
Implementations§
§impl U512
impl U512
pub fn from_str_radix(txt: &str, radix: u32) -> Result<U512, FromStrRadixErr>
pub fn from_str_radix(txt: &str, radix: u32) -> Result<U512, FromStrRadixErr>
Converts a string slice in a given base to an integer. Only supports radixes of 10 and 16.
pub fn from_dec_str(value: &str) -> Result<U512, FromDecStrErr>
pub fn from_dec_str(value: &str) -> Result<U512, FromDecStrErr>
Convert from a decimal string.
pub fn as_u64(&self) -> u64
pub fn as_u64(&self) -> u64
Conversion to u64 with overflow checking
§Panics
Panics if the number is larger than u64::max_value().
pub fn as_usize(&self) -> usize
pub fn as_usize(&self) -> usize
Conversion to usize with overflow checking
§Panics
Panics if the number is larger than usize::max_value().
pub fn leading_zeros(&self) -> u32
pub fn leading_zeros(&self) -> u32
Returns the number of leading zeros in the binary representation of self.
pub fn trailing_zeros(&self) -> u32
pub fn trailing_zeros(&self) -> u32
Returns the number of trailing zeros in the binary representation of self.
pub fn to_big_endian(&self, bytes: &mut [u8])
pub fn to_big_endian(&self, bytes: &mut [u8])
Write to the slice in big-endian format.
pub fn to_little_endian(&self, bytes: &mut [u8])
pub fn to_little_endian(&self, bytes: &mut [u8])
Write to the slice in little-endian format.
pub fn integer_sqrt(&self) -> U512
pub fn integer_sqrt(&self) -> U512
Compute the highest n
such that n * n <= self
.
pub fn pow(self, expon: U512) -> U512
pub fn pow(self, expon: U512) -> U512
Fast exponentiation by squaring https://en.wikipedia.org/wiki/Exponentiation_by_squaring
§Panics
Panics if the result overflows the type.
pub fn overflowing_pow(self, expon: U512) -> (U512, bool)
pub fn overflowing_pow(self, expon: U512) -> (U512, bool)
Fast exponentiation by squaring. Returns result and overflow flag.
pub fn checked_pow(self, expon: U512) -> Option<U512>
pub fn checked_pow(self, expon: U512) -> Option<U512>
Checked exponentiation. Returns None
if overflow occurred.
pub fn overflowing_add(self, other: U512) -> (U512, bool)
pub fn overflowing_add(self, other: U512) -> (U512, bool)
Addition which overflows and returns a flag if it does.
pub fn saturating_add(self, other: U512) -> U512
pub fn saturating_add(self, other: U512) -> U512
Addition which saturates at the maximum value (Self::MAX).
pub fn checked_add(self, other: U512) -> Option<U512>
pub fn checked_add(self, other: U512) -> Option<U512>
Checked addition. Returns None
if overflow occurred.
pub fn overflowing_sub(self, other: U512) -> (U512, bool)
pub fn overflowing_sub(self, other: U512) -> (U512, bool)
Subtraction which underflows and returns a flag if it does.
pub fn saturating_sub(self, other: U512) -> U512
pub fn saturating_sub(self, other: U512) -> U512
Subtraction which saturates at zero.
pub fn checked_sub(self, other: U512) -> Option<U512>
pub fn checked_sub(self, other: U512) -> Option<U512>
Checked subtraction. Returns None
if overflow occurred.
pub fn overflowing_mul(self, other: U512) -> (U512, bool)
pub fn overflowing_mul(self, other: U512) -> (U512, bool)
Multiply with overflow, returning a flag if it does.
pub fn saturating_mul(self, other: U512) -> U512
pub fn saturating_mul(self, other: U512) -> U512
Multiplication which saturates at the maximum value..
pub fn checked_mul(self, other: U512) -> Option<U512>
pub fn checked_mul(self, other: U512) -> Option<U512>
Checked multiplication. Returns None
if overflow occurred.
pub fn checked_div(self, other: U512) -> Option<U512>
pub fn checked_div(self, other: U512) -> Option<U512>
Checked division. Returns None
if other == 0
.
pub fn checked_rem(self, other: U512) -> Option<U512>
pub fn checked_rem(self, other: U512) -> Option<U512>
Checked modulus. Returns None
if other == 0
.
pub fn overflowing_neg(self) -> (U512, bool)
pub fn overflowing_neg(self) -> (U512, bool)
Negation with overflow.
pub fn checked_neg(self) -> Option<U512>
pub fn checked_neg(self) -> Option<U512>
Checked negation. Returns None
unless self == 0
.
pub fn from_big_endian(slice: &[u8]) -> U512
pub fn from_big_endian(slice: &[u8]) -> U512
Converts from big endian representation bytes in memory.
pub fn from_little_endian(slice: &[u8]) -> U512
pub fn from_little_endian(slice: &[u8]) -> U512
Converts from little endian representation bytes in memory.
Trait Implementations§
§impl BitAndAssign for U512
impl BitAndAssign for U512
§fn bitand_assign(&mut self, rhs: U512)
fn bitand_assign(&mut self, rhs: U512)
&=
operation. Read more§impl BitOrAssign for U512
impl BitOrAssign for U512
§fn bitor_assign(&mut self, rhs: U512)
fn bitor_assign(&mut self, rhs: U512)
|=
operation. Read more§impl BitXorAssign for U512
impl BitXorAssign for U512
§fn bitxor_assign(&mut self, rhs: U512)
fn bitxor_assign(&mut self, rhs: U512)
^=
operation. Read more§impl Decode for U512
impl Decode for U512
§fn decode<I>(input: &mut I) -> Result<U512, Error>where
I: Input,
fn decode<I>(input: &mut I) -> Result<U512, Error>where
I: Input,
§fn decode_into<I>(
input: &mut I,
dst: &mut MaybeUninit<Self>,
) -> Result<DecodeFinished, Error>where
I: Input,
fn decode_into<I>(
input: &mut I,
dst: &mut MaybeUninit<Self>,
) -> Result<DecodeFinished, Error>where
I: Input,
§fn skip<I>(input: &mut I) -> Result<(), Error>where
I: Input,
fn skip<I>(input: &mut I) -> Result<(), Error>where
I: Input,
§fn encoded_fixed_size() -> Option<usize>
fn encoded_fixed_size() -> Option<usize>
§impl<'de> Deserialize<'de> for U512
impl<'de> Deserialize<'de> for U512
§fn deserialize<D>(
deserializer: D,
) -> Result<U512, <D as Deserializer<'de>>::Error>where
D: Deserializer<'de>,
fn deserialize<D>(
deserializer: D,
) -> Result<U512, <D as Deserializer<'de>>::Error>where
D: Deserializer<'de>,
§impl<T> DivAssign<T> for U512
impl<T> DivAssign<T> for U512
§fn div_assign(&mut self, other: T)
fn div_assign(&mut self, other: T)
/=
operation. Read more§impl Encode for U512
impl Encode for U512
§fn using_encoded<R, F>(&self, f: F) -> R
fn using_encoded<R, F>(&self, f: F) -> R
§fn encoded_size(&self) -> usize
fn encoded_size(&self) -> usize
§impl MaxEncodedLen for U512
impl MaxEncodedLen for U512
§fn max_encoded_len() -> usize
fn max_encoded_len() -> usize
§impl MulAssign<i16> for U512
impl MulAssign<i16> for U512
§fn mul_assign(&mut self, other: i16)
fn mul_assign(&mut self, other: i16)
*=
operation. Read more§impl MulAssign<i32> for U512
impl MulAssign<i32> for U512
§fn mul_assign(&mut self, other: i32)
fn mul_assign(&mut self, other: i32)
*=
operation. Read more§impl MulAssign<i64> for U512
impl MulAssign<i64> for U512
§fn mul_assign(&mut self, other: i64)
fn mul_assign(&mut self, other: i64)
*=
operation. Read more§impl MulAssign<i8> for U512
impl MulAssign<i8> for U512
§fn mul_assign(&mut self, other: i8)
fn mul_assign(&mut self, other: i8)
*=
operation. Read more§impl MulAssign<isize> for U512
impl MulAssign<isize> for U512
§fn mul_assign(&mut self, other: isize)
fn mul_assign(&mut self, other: isize)
*=
operation. Read more§impl MulAssign<u16> for U512
impl MulAssign<u16> for U512
§fn mul_assign(&mut self, other: u16)
fn mul_assign(&mut self, other: u16)
*=
operation. Read more§impl MulAssign<u32> for U512
impl MulAssign<u32> for U512
§fn mul_assign(&mut self, other: u32)
fn mul_assign(&mut self, other: u32)
*=
operation. Read more§impl MulAssign<u64> for U512
impl MulAssign<u64> for U512
§fn mul_assign(&mut self, other: u64)
fn mul_assign(&mut self, other: u64)
*=
operation. Read more§impl MulAssign<u8> for U512
impl MulAssign<u8> for U512
§fn mul_assign(&mut self, other: u8)
fn mul_assign(&mut self, other: u8)
*=
operation. Read more§impl MulAssign<usize> for U512
impl MulAssign<usize> for U512
§fn mul_assign(&mut self, other: usize)
fn mul_assign(&mut self, other: usize)
*=
operation. Read more§impl Ord for U512
impl Ord for U512
§impl PartialOrd for U512
impl PartialOrd for U512
§impl<T> RemAssign<T> for U512
impl<T> RemAssign<T> for U512
§fn rem_assign(&mut self, other: T)
fn rem_assign(&mut self, other: T)
%=
operation. Read more§impl Serialize for U512
impl Serialize for U512
§fn serialize<S>(
&self,
serializer: S,
) -> Result<<S as Serializer>::Ok, <S as Serializer>::Error>where
S: Serializer,
fn serialize<S>(
&self,
serializer: S,
) -> Result<<S as Serializer>::Ok, <S as Serializer>::Error>where
S: Serializer,
§impl<T> ShlAssign<T> for U512
impl<T> ShlAssign<T> for U512
§fn shl_assign(&mut self, shift: T)
fn shl_assign(&mut self, shift: T)
<<=
operation. Read more§impl<T> ShrAssign<T> for U512
impl<T> ShrAssign<T> for U512
§fn shr_assign(&mut self, shift: T)
fn shr_assign(&mut self, shift: T)
>>=
operation. Read moreimpl Copy for U512
impl EncodeLike for U512
impl Eq for U512
impl StructuralPartialEq for U512
Auto Trait Implementations§
impl Freeze for U512
impl RefUnwindSafe for U512
impl Send for U512
impl Sync for U512
impl Unpin for U512
impl UnwindSafe for U512
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