Struct PersistenceInterval

pub struct PersistenceInterval {
    pub dimension: usize,
    pub birth: f64,
    pub death: f64,
}

A persistence interval: a topological feature that is “born” at one filtration radius and “dies” at another.

Fields

dimension: usize

Homology dimension (0 = component, 1 = loop).

birth: f64

Birth radius: when this feature appears.

death: f64

Death radius: when this feature disappears. f64::INFINITY for essential features.

Implementations

impl PersistenceInterval

pub fn persistence(&self) -> f64

Persistence = death - birth. Longer-lived features are more significant.

Trait Implementations

impl Clone for PersistenceInterval

fn clone(&self) -> PersistenceInterval

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for PersistenceInterval

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

Formats the value using the given formatter.

impl PartialEq for PersistenceInterval

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

Tests for self and other values to be equal, and is used by ==.

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

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

impl StructuralPartialEq for PersistenceInterval