Enum rug::float::Constant
[−]
[src]
pub enum Constant { Log2, Pi, Euler, Catalan, }
The available floating-point constants.
Examples
use rug::Float; use rug::float::Constant; let log2 = Float::with_val(53, Constant::Log2); let pi = Float::with_val(53, Constant::Pi); let euler = Float::with_val(53, Constant::Euler); let catalan = Float::with_val(53, Constant::Catalan); assert_eq!(log2.to_string_radix(10, Some(5)), "6.9315e-1"); assert_eq!(pi.to_string_radix(10, Some(5)), "3.1416"); assert_eq!(euler.to_string_radix(10, Some(5)), "5.7722e-1"); assert_eq!(catalan.to_string_radix(10, Some(5)), "9.1597e-1");
Variants
Log2
The logarithm of two, 0.693...
Pi
The value of pi, 3.141...
Euler
Euler’s constant, 0.577...
Catalan
Catalan’s constant, 0.915...
Trait Implementations
impl Clone for Constant
[src]
fn clone(&self) -> Constant
Returns a copy of the value. Read more
fn clone_from(&mut self, source: &Self)
1.0.0
Performs copy-assignment from source
. Read more
impl Copy for Constant
[src]
impl Debug for Constant
[src]
impl Eq for Constant
[src]
impl Hash for Constant
[src]
fn hash<__H: Hasher>(&self, __arg_0: &mut __H)
Feeds this value into the given [Hasher
]. Read more
fn hash_slice<H>(data: &[Self], state: &mut H) where
H: Hasher,
1.3.0
H: Hasher,
Feeds a slice of this type into the given [Hasher
]. Read more
impl Ord for Constant
[src]
fn cmp(&self, __arg_0: &Constant) -> Ordering
This method returns an Ordering
between self
and other
. Read more
fn max(self, other: Self) -> Self
ord_max_min
)Compares and returns the maximum of two values. Read more
fn min(self, other: Self) -> Self
ord_max_min
)Compares and returns the minimum of two values. Read more
impl PartialEq for Constant
[src]
fn eq(&self, __arg_0: &Constant) -> bool
This method tests for self
and other
values to be equal, and is used by ==
. Read more
fn ne(&self, other: &Rhs) -> bool
1.0.0
This method tests for !=
.
impl PartialOrd for Constant
[src]
fn partial_cmp(&self, __arg_0: &Constant) -> Option<Ordering>
This method returns an ordering between self
and other
values if one exists. Read more
fn lt(&self, other: &Rhs) -> bool
1.0.0
This method tests less than (for self
and other
) and is used by the <
operator. Read more
fn le(&self, other: &Rhs) -> bool
1.0.0
This method tests less than or equal to (for self
and other
) and is used by the <=
operator. Read more
fn gt(&self, other: &Rhs) -> bool
1.0.0
This method tests greater than (for self
and other
) and is used by the >
operator. Read more
fn ge(&self, other: &Rhs) -> bool
1.0.0
This method tests greater than or equal to (for self
and other
) and is used by the >=
operator. Read more