pub struct Weight { /* private fields */ }Expand description
mant × 2^exp, with mant in [0.5, 1), or zero.
Implementations§
Source§impl Weight
impl Weight
pub const ZERO: Weight
pub const ONE: Weight
Sourcepub fn from_ln(l: f64) -> Weight
pub fn from_ln(l: f64) -> Weight
e^l: a weight from its natural logarithm, even one far outside the
range of an f64. A logarithm of −∞ (or NaN) gives zero.
pub fn is_zero(self) -> bool
Sourcepub fn scale(self, factor: f64) -> Weight
pub fn scale(self, factor: f64) -> Weight
Multiply by a non-negative finite factor, such as a probability.
Sourcepub fn saturating_sub(self, other: Weight) -> Weight
pub fn saturating_sub(self, other: Weight) -> Weight
self − other, or zero if other is larger.
Sourcepub fn ratio(self, other: Weight) -> f64
pub fn ratio(self, other: Weight) -> f64
self / other as an f64 (for probabilities and shares).
Sourcepub fn ln(self) -> f64
pub fn ln(self) -> f64
The natural logarithm, even of a weight far outside the range of an
f64: −∞ for zero.
pub fn sum(weights: impl IntoIterator<Item = Weight>) -> Weight
Trait Implementations§
Source§impl AddAssign for Weight
impl AddAssign for Weight
Source§fn add_assign(&mut self, other: Weight)
fn add_assign(&mut self, other: Weight)
+= operation. Read moreimpl Copy for Weight
Source§impl PartialOrd for Weight
impl PartialOrd for Weight
impl StructuralPartialEq for Weight
Auto Trait Implementations§
impl Freeze for Weight
impl RefUnwindSafe for Weight
impl Send for Weight
impl Sync for Weight
impl Unpin for Weight
impl UnsafeUnpin for Weight
impl UnwindSafe for Weight
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