Struct conjure_codegen::example_types::product::DoubleAliasExample
source · pub struct DoubleAliasExample(pub f64);
Tuple Fields§
§0: f64
Methods from Deref<Target = f64>§
pub const RADIX: u32 = 2u32
pub const MANTISSA_DIGITS: u32 = 53u32
pub const DIGITS: u32 = 15u32
pub const EPSILON: f64 = 2.2204460492503131E-16f64
pub const MIN: f64 = -1.7976931348623157E+308f64
pub const MIN_POSITIVE: f64 = 2.2250738585072014E-308f64
pub const MAX: f64 = 1.7976931348623157E+308f64
pub const MIN_EXP: i32 = -1_021i32
pub const MAX_EXP: i32 = 1_024i32
pub const MIN_10_EXP: i32 = -307i32
pub const MAX_10_EXP: i32 = 308i32
pub const NAN: f64 = NaN_f64
pub const INFINITY: f64 = +Inf_f64
pub const NEG_INFINITY: f64 = -Inf_f64
1.62.0 · sourcepub fn total_cmp(&self, other: &f64) -> Ordering
pub fn total_cmp(&self, other: &f64) -> Ordering
Return the ordering between self
and other
.
Unlike the standard partial comparison between floating point numbers,
this comparison always produces an ordering in accordance to
the totalOrder
predicate as defined in the IEEE 754 (2008 revision)
floating point standard. The values are ordered in the following sequence:
- negative quiet NaN
- negative signaling NaN
- negative infinity
- negative numbers
- negative subnormal numbers
- negative zero
- positive zero
- positive subnormal numbers
- positive numbers
- positive infinity
- positive signaling NaN
- positive quiet NaN.
The ordering established by this function does not always agree with the
PartialOrd
and PartialEq
implementations of f64
. For example,
they consider negative and positive zero equal, while total_cmp
doesn’t.
The interpretation of the signaling NaN bit follows the definition in the IEEE 754 standard, which may not match the interpretation by some of the older, non-conformant (e.g. MIPS) hardware implementations.
§Example
struct GoodBoy {
name: String,
weight: f64,
}
let mut bois = vec![
GoodBoy { name: "Pucci".to_owned(), weight: 0.1 },
GoodBoy { name: "Woofer".to_owned(), weight: 99.0 },
GoodBoy { name: "Yapper".to_owned(), weight: 10.0 },
GoodBoy { name: "Chonk".to_owned(), weight: f64::INFINITY },
GoodBoy { name: "Abs. Unit".to_owned(), weight: f64::NAN },
GoodBoy { name: "Floaty".to_owned(), weight: -5.0 },
];
bois.sort_by(|a, b| a.weight.total_cmp(&b.weight));
// `f64::NAN` could be positive or negative, which will affect the sort order.
if f64::NAN.is_sign_negative() {
assert!(bois.into_iter().map(|b| b.weight)
.zip([f64::NAN, -5.0, 0.1, 10.0, 99.0, f64::INFINITY].iter())
.all(|(a, b)| a.to_bits() == b.to_bits()))
} else {
assert!(bois.into_iter().map(|b| b.weight)
.zip([-5.0, 0.1, 10.0, 99.0, f64::INFINITY, f64::NAN].iter())
.all(|(a, b)| a.to_bits() == b.to_bits()))
}
Trait Implementations§
source§impl Clone for DoubleAliasExample
impl Clone for DoubleAliasExample
source§fn clone(&self) -> DoubleAliasExample
fn clone(&self) -> DoubleAliasExample
Returns a copy of the value. Read more
1.0.0 · source§fn clone_from(&mut self, source: &Self)
fn clone_from(&mut self, source: &Self)
Performs copy-assignment from
source
. Read moresource§impl Debug for DoubleAliasExample
impl Debug for DoubleAliasExample
source§impl Default for DoubleAliasExample
impl Default for DoubleAliasExample
source§fn default() -> DoubleAliasExample
fn default() -> DoubleAliasExample
Returns the “default value” for a type. Read more
source§impl Deref for DoubleAliasExample
impl Deref for DoubleAliasExample
source§impl DerefMut for DoubleAliasExample
impl DerefMut for DoubleAliasExample
source§impl<'de> Deserialize<'de> for DoubleAliasExample
impl<'de> Deserialize<'de> for DoubleAliasExample
source§fn deserialize<D>(d: D) -> Result<DoubleAliasExample, D::Error>where
D: Deserializer<'de>,
fn deserialize<D>(d: D) -> Result<DoubleAliasExample, D::Error>where
D: Deserializer<'de>,
Deserialize this value from the given Serde deserializer. Read more
source§impl Display for DoubleAliasExample
impl Display for DoubleAliasExample
source§impl FromPlain for DoubleAliasExample
impl FromPlain for DoubleAliasExample
source§impl Hash for DoubleAliasExample
impl Hash for DoubleAliasExample
source§impl Ord for DoubleAliasExample
impl Ord for DoubleAliasExample
source§impl PartialEq for DoubleAliasExample
impl PartialEq for DoubleAliasExample
source§impl PartialOrd for DoubleAliasExample
impl PartialOrd for DoubleAliasExample
1.0.0 · source§fn le(&self, other: &Rhs) -> bool
fn le(&self, other: &Rhs) -> bool
This method tests less than or equal to (for
self
and other
) and is used by the <=
operator. Read moresource§impl Plain for DoubleAliasExample
impl Plain for DoubleAliasExample
source§impl Serialize for DoubleAliasExample
impl Serialize for DoubleAliasExample
impl Copy for DoubleAliasExample
impl Eq for DoubleAliasExample
Auto Trait Implementations§
impl Freeze for DoubleAliasExample
impl RefUnwindSafe for DoubleAliasExample
impl Send for DoubleAliasExample
impl Sync for DoubleAliasExample
impl Unpin for DoubleAliasExample
impl UnwindSafe for DoubleAliasExample
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
Mutably borrows from an owned value. Read more
source§impl<Q, K> Comparable<K> for Q
impl<Q, K> Comparable<K> for Q
source§impl<Q, K> Equivalent<K> for Q
impl<Q, K> Equivalent<K> for Q
source§fn equivalent(&self, key: &K) -> bool
fn equivalent(&self, key: &K) -> bool
Compare self to
key
and return true
if they are equal.source§impl<Q, K> Equivalent<K> for Q
impl<Q, K> Equivalent<K> for Q
source§impl<Q, K> Equivalent<K> for Q
impl<Q, K> Equivalent<K> for Q
source§fn equivalent(&self, key: &K) -> bool
fn equivalent(&self, key: &K) -> bool
Compare self to
key
and return true
if they are equal.