Struct primitive_types::U512
source · #[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§
source§impl U512
impl U512
sourcepub fn from_str_radix(txt: &str, radix: u32) -> Result<Self, FromStrRadixErr>
pub fn from_str_radix(txt: &str, radix: u32) -> Result<Self, FromStrRadixErr>
Converts a string slice in a given base to an integer. Only supports radixes of 10 and 16.
sourcepub fn from_dec_str(value: &str) -> Result<Self, FromDecStrErr>
pub fn from_dec_str(value: &str) -> Result<Self, FromDecStrErr>
Convert from a decimal string.
sourcepub 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().
sourcepub 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().
sourcepub fn leading_zeros(&self) -> u32
pub fn leading_zeros(&self) -> u32
Returns the number of leading zeros in the binary representation of self.
sourcepub fn trailing_zeros(&self) -> u32
pub fn trailing_zeros(&self) -> u32
Returns the number of trailing zeros in the binary representation of self.
sourcepub const fn byte(&self, index: usize) -> u8
pub const fn byte(&self, index: usize) -> u8
Return specific byte. Byte 0 is the least significant value (ie~ little endian).
§Panics
Panics if index
exceeds the byte width of the number.
sourcepub fn to_big_endian(&self) -> [u8; 64]
pub fn to_big_endian(&self) -> [u8; 64]
Convert to big-endian bytes.
sourcepub fn write_as_big_endian(&self, bytes: &mut [u8])
pub fn write_as_big_endian(&self, bytes: &mut [u8])
Write to the slice in big-endian format.
sourcepub fn to_little_endian(&self) -> [u8; 64]
pub fn to_little_endian(&self) -> [u8; 64]
Convert to little-endian bytes.
pub fn write_as_little_endian(&self, bytes: &mut [u8])
sourcepub fn integer_sqrt(&self) -> Self
pub fn integer_sqrt(&self) -> Self
Compute the highest n
such that n * n <= self
.
sourcepub fn pow(self, expon: Self) -> Self
pub fn pow(self, expon: Self) -> Self
Fast exponentiation by squaring https://en.wikipedia.org/wiki/Exponentiation_by_squaring
§Panics
Panics if the result overflows the type.
sourcepub fn overflowing_pow(self, expon: Self) -> (Self, bool)
pub fn overflowing_pow(self, expon: Self) -> (Self, bool)
Fast exponentiation by squaring. Returns result and overflow flag.
sourcepub fn checked_pow(self, expon: U512) -> Option<U512>
pub fn checked_pow(self, expon: U512) -> Option<U512>
Checked exponentiation. Returns None
if overflow occurred.
sourcepub 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.
sourcepub fn saturating_add(self, other: U512) -> U512
pub fn saturating_add(self, other: U512) -> U512
Addition which saturates at the maximum value (Self::MAX).
sourcepub fn checked_add(self, other: U512) -> Option<U512>
pub fn checked_add(self, other: U512) -> Option<U512>
Checked addition. Returns None
if overflow occurred.
sourcepub 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.
sourcepub fn saturating_sub(self, other: U512) -> U512
pub fn saturating_sub(self, other: U512) -> U512
Subtraction which saturates at zero.
sourcepub fn checked_sub(self, other: U512) -> Option<U512>
pub fn checked_sub(self, other: U512) -> Option<U512>
Checked subtraction. Returns None
if overflow occurred.
sourcepub fn abs_diff(self, other: U512) -> U512
pub fn abs_diff(self, other: U512) -> U512
Computes the absolute difference between self and other.
sourcepub 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.
sourcepub fn saturating_mul(self, other: U512) -> U512
pub fn saturating_mul(self, other: U512) -> U512
Multiplication which saturates at the maximum value..
sourcepub fn checked_mul(self, other: U512) -> Option<U512>
pub fn checked_mul(self, other: U512) -> Option<U512>
Checked multiplication. Returns None
if overflow occurred.
sourcepub fn checked_div(self, other: U512) -> Option<U512>
pub fn checked_div(self, other: U512) -> Option<U512>
Checked division. Returns None
if other == 0
.
sourcepub fn checked_rem(self, other: U512) -> Option<U512>
pub fn checked_rem(self, other: U512) -> Option<U512>
Checked modulus. Returns None
if other == 0
.
sourcepub fn overflowing_neg(self) -> (U512, bool)
pub fn overflowing_neg(self) -> (U512, bool)
Negation with overflow.
sourcepub fn checked_neg(self) -> Option<U512>
pub fn checked_neg(self) -> Option<U512>
Checked negation. Returns None
unless self == 0
.
sourcepub fn from_big_endian(slice: &[u8]) -> Self
pub fn from_big_endian(slice: &[u8]) -> Self
Converts from big endian representation bytes in memory.
sourcepub fn from_little_endian(slice: &[u8]) -> Self
pub fn from_little_endian(slice: &[u8]) -> Self
Converts from little endian representation bytes in memory.
Trait Implementations§
source§impl AddAssign for U512
impl AddAssign for U512
source§fn add_assign(&mut self, other: U512)
fn add_assign(&mut self, other: U512)
+=
operation. Read moresource§impl BitAndAssign for U512
impl BitAndAssign for U512
source§fn bitand_assign(&mut self, rhs: U512)
fn bitand_assign(&mut self, rhs: U512)
&=
operation. Read moresource§impl BitOrAssign for U512
impl BitOrAssign for U512
source§fn bitor_assign(&mut self, rhs: U512)
fn bitor_assign(&mut self, rhs: U512)
|=
operation. Read moresource§impl BitXorAssign for U512
impl BitXorAssign for U512
source§fn bitxor_assign(&mut self, rhs: U512)
fn bitxor_assign(&mut self, rhs: U512)
^=
operation. Read moresource§impl<T> DivAssign<T> for U512
impl<T> DivAssign<T> for U512
source§fn div_assign(&mut self, other: T)
fn div_assign(&mut self, other: T)
/=
operation. Read moresource§impl MulAssign<i16> for U512
impl MulAssign<i16> for U512
source§fn mul_assign(&mut self, other: i16)
fn mul_assign(&mut self, other: i16)
*=
operation. Read moresource§impl MulAssign<i32> for U512
impl MulAssign<i32> for U512
source§fn mul_assign(&mut self, other: i32)
fn mul_assign(&mut self, other: i32)
*=
operation. Read moresource§impl MulAssign<i64> for U512
impl MulAssign<i64> for U512
source§fn mul_assign(&mut self, other: i64)
fn mul_assign(&mut self, other: i64)
*=
operation. Read moresource§impl MulAssign<i8> for U512
impl MulAssign<i8> for U512
source§fn mul_assign(&mut self, other: i8)
fn mul_assign(&mut self, other: i8)
*=
operation. Read moresource§impl MulAssign<isize> for U512
impl MulAssign<isize> for U512
source§fn mul_assign(&mut self, other: isize)
fn mul_assign(&mut self, other: isize)
*=
operation. Read moresource§impl MulAssign<u16> for U512
impl MulAssign<u16> for U512
source§fn mul_assign(&mut self, other: u16)
fn mul_assign(&mut self, other: u16)
*=
operation. Read moresource§impl MulAssign<u32> for U512
impl MulAssign<u32> for U512
source§fn mul_assign(&mut self, other: u32)
fn mul_assign(&mut self, other: u32)
*=
operation. Read moresource§impl MulAssign<u64> for U512
impl MulAssign<u64> for U512
source§fn mul_assign(&mut self, other: u64)
fn mul_assign(&mut self, other: u64)
*=
operation. Read moresource§impl MulAssign<u8> for U512
impl MulAssign<u8> for U512
source§fn mul_assign(&mut self, other: u8)
fn mul_assign(&mut self, other: u8)
*=
operation. Read moresource§impl MulAssign<usize> for U512
impl MulAssign<usize> for U512
source§fn mul_assign(&mut self, other: usize)
fn mul_assign(&mut self, other: usize)
*=
operation. Read moresource§impl MulAssign for U512
impl MulAssign for U512
source§fn mul_assign(&mut self, other: U512)
fn mul_assign(&mut self, other: U512)
*=
operation. Read moresource§impl Ord for U512
impl Ord for U512
source§impl PartialOrd for U512
impl PartialOrd for U512
source§impl<T> RemAssign<T> for U512
impl<T> RemAssign<T> for U512
source§fn rem_assign(&mut self, other: T)
fn rem_assign(&mut self, other: T)
%=
operation. Read moresource§impl<T> ShlAssign<T> for U512
impl<T> ShlAssign<T> for U512
source§fn shl_assign(&mut self, shift: T)
fn shl_assign(&mut self, shift: T)
<<=
operation. Read moresource§impl<T> ShrAssign<T> for U512
impl<T> ShrAssign<T> for U512
source§fn shr_assign(&mut self, shift: T)
fn shr_assign(&mut self, shift: T)
>>=
operation. Read moresource§impl SubAssign for U512
impl SubAssign for U512
source§fn sub_assign(&mut self, other: U512)
fn sub_assign(&mut self, other: U512)
-=
operation. Read moreimpl Copy 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
Blanket Implementations§
source§impl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere
T: ?Sized,
source§fn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
source§impl<T> CloneToUninit for Twhere
T: Clone,
impl<T> CloneToUninit for Twhere
T: Clone,
source§unsafe fn clone_to_uninit(&self, dst: *mut T)
unsafe fn clone_to_uninit(&self, dst: *mut T)
clone_to_uninit
)