Struct Tape 

pub struct Tape { /* private fields */ }

The recording tape. Create one per differentiated computation (or clear between computations, e.g. per Monte Carlo path).

Implementations

impl Tape

pub fn new() -> Tape

pub fn var(&self, value: f64) -> Var<'_>

A new independent input variable.

pub fn len(&self) -> usize

Number of recorded nodes.

pub fn is_empty(&self) -> bool

pub fn clear(&self)

Drop all recorded nodes (existing Vars become invalid).

Trait Implementations

impl Debug for Tape

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

Formats the value using the given formatter.

impl Default for Tape

fn default() -> Tape

Returns the “default value” for a type.