Enum Activation 

pub enum Activation {
    Gelu,
    GeluApprox,
    Silu,
    Relu,
    Sigmoid,
    Tanh,
    Exp,
    Log,
    Sqrt,
    Rsqrt,
    Neg,
    Abs,
    Sin,
    Cos,
    Tan,
    Atan,
    Round,
}

Unary element-wise activation functions.

Variants

Gelu

GeluApprox

Silu

Relu

Sigmoid

Tanh

Exp

Log

Sqrt

Rsqrt

Neg

Abs

Sin

sin(x). Backward: dx = upstream · cos(x).

Cos

cos(x). Backward: dx = -upstream · sin(x).

Tan

tan(x). Backward: dx = upstream · sec²(x) = upstream · (1 + tan²(x)).

Atan

atan(x). Backward: dx = upstream · (1 / (1 + x²)).

Round

Round to nearest integer (half-to-even), in f32. Forward: x.round(). Backward: STE — treats as identity, so the gradient passes through unchanged. Useful as a primitive for composing custom quantization schemes (Mul-by-recip-scale → Round → Clamp → Mul-by-scale = a hand-rolled FakeQuantize that the elementwise-region pass can fuse into a single kernel).

Trait Implementations

impl Clone for Activation

fn clone(&self) -> Activation

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for Activation

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for Activation

fn deserialize<__D>( __deserializer: __D, ) -> Result<Activation, <__D as Deserializer<'de>>::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Hash for Activation

fn hash<__H>(&self, state: &mut __H)

where __H: Hasher,

Feeds this value into the given Hasher.

fn hash_slice<H>(data: &[Self], state: &mut H)

where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher.

impl PartialEq for Activation

fn eq(&self, other: &Activation) -> 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 Serialize for Activation

fn serialize<__S>( &self, __serializer: __S, ) -> Result<<__S as Serializer>::Ok, <__S as Serializer>::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.

impl Copy for Activation

impl Eq for Activation

impl StructuralPartialEq for Activation