Struct ReverseVariable

pub struct ReverseVariable {
    pub index: usize,
    pub value: f64,
    pub grad: f64,
}

Variable in the computational graph for reverse-mode AD

Fields

index: usize

Variable index in the tape

value: f64

Current value

grad: f64

Accumulated gradient (adjoint)

Implementations

impl ReverseVariable

pub fn new(index: usize, value: f64) -> Self

Create a new variable

pub fn constant(value: f64) -> Self

Create a constant variable (not in tape)

pub fn is_constant(&self) -> bool

Check if this is a constant

Trait Implementations

impl Add for ReverseVariable

type Output = ReverseVariable

The resulting type after applying the + operator.

fn add(self, other: Self) -> Self

Performs the + operation.

impl Clone for ReverseVariable

fn clone(&self) -> ReverseVariable

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for ReverseVariable

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

Formats the value using the given formatter.