Struct Value

pub struct Value<T> {
    pub value: Rc<RefCell<T>>,
    pub gradient: Rc<RefCell<T>>,
}

Value node for computation graph

Fields

value: Rc<RefCell<T>>

gradient: Rc<RefCell<T>>

Implementations

impl<T: Clone> Value<T>

pub fn new(value: &T) -> Value<T>

Create new instance of value for comptuation graph

pub fn val(&self) -> T

Get value associated with structure

pub fn grad(&self) -> T

Get gradient of value

pub fn set_val(&mut self, val: &T)

Set value associated with structure

pub fn set_grad(&mut self, value: &T)

Set gradient of value in computation graph

Trait Implementations

impl<T: Clone> Clone for Value<T>

fn clone(&self) -> Value<T>

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl<T: Debug> Debug for Value<T>

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

Formats the value using the given formatter.

impl<T: Default> Default for Value<T>

fn default() -> Value<T>

Returns the “default value” for a type.

impl Node for Value<NDArray<f64>>

fn forward(&mut self)

Forward operation for a value

fn set_grad(&mut self, upstream_gradient: NDArray<f64>)

Set gradient from upstream for value

fn backward(&mut self, upstream_gradient: NDArray<f64>)

Set gradient from upstream in backward pass

fn value(&self) -> NDArray<f64>

Retrieve value from node in computation graph

fn grad(&self) -> NDArray<f64>

Retrieve gradient from node in computation graph