Struct cont_arith_code::distribution::gaussian::TruncatedGaussian

pub struct TruncatedGaussian {
    pub gaussian: Gaussian,
    pub lo: i64,
    pub bins: TruncatedCategorical,
    pub hi: i64,
    pub ln_prob: f64,
}

Fields

gaussian: Gaussian

lo: i64

bins: TruncatedCategorical

hi: i64

ln_prob: f64

Implementations

impl TruncatedGaussian

pub fn bits(&self, s: Index) -> f64

Count the information (bits) of a given index in the truncated Gaussian, i.e. the log-probability of the +/-0.5 interval around an integer, in base 2

Trait Implementations

impl Clone for TruncatedGaussian

fn clone(&self) -> TruncatedGaussian

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for TruncatedGaussian

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl PartialEq for TruncatedGaussian

fn eq(&self, other: &TruncatedGaussian) -> bool

This method tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl PartialOrd for TruncatedGaussian

fn partial_cmp(&self, other: &TruncatedGaussian) -> Option<Ordering>

This method returns an ordering between self and other values if one exists.

fn lt(&self, other: &Rhs) -> bool

This method tests less than (for self and other) and is used by the < operator.

fn le(&self, other: &Rhs) -> bool

This method tests less than or equal to (for self and other) and is used by the <= operator.

fn gt(&self, other: &Rhs) -> bool

This method tests greater than (for self and other) and is used by the > operator.

fn ge(&self, other: &Rhs) -> bool

This method tests greater than or equal to (for self and other) and is used by the >= operator.

impl TruncatedDistribution for TruncatedGaussian

fn quantile(&self, cp: f64) -> (i64, f64)

Quantile (inverse CDF) and decompose of the remaining probability mass. Given cp $\in$ [0-1), returns the symbol index (s: i64) in which it falls as well as the fraction (s_rem: f64 $\in$ [0-1)) achieved towards symbol s+1 in the cumulative probability assigned to s. Indexes must increase monotonically w.r.t. cp, and s_rem must increase linearly w.r.t. cp inside each s.

fn truncate(&mut self, cp: f64, s: i64, s_rem: f64, bit: bool)

Split the remaining probability mass with the given bit (false:0:left :: true:1:right) at the given cumulative probability, which we already know splits at index s with remainder s_rem.

fn lo(&self) -> i64

Return the index of the lower-bound of the interval of the truncation.

fn hi(&self) -> i64

Return the index of the upper-bound of the interval of the truncation.

fn is_resolved(&self) -> bool

True iff self.lo() == self.hi()

impl StructuralPartialEq for TruncatedGaussian