MathUtils

ds_r1_rs::utils::math

Struct MathUtils 

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pub struct MathUtils;
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Mathematical utility functions

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impl MathUtils

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pub fn softmax(input: &[f32]) -> Result<Vec<f32>>

Compute softmax over a vector

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pub fn layer_norm(input: &[f32], eps: f32) -> Result<Vec<f32>>

Compute layer normalization

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pub fn gelu(x: f32) -> f32

Compute GELU activation

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pub fn swiglu(x: f32, gate: f32) -> f32

Compute SwiGLU activation

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pub fn sigmoid(x: f32) -> f32

Compute sigmoid activation

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pub fn relu(x: f32) -> f32

Compute ReLU activation

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pub fn random_normal(mean: f32, std_dev: f32) -> f32

Generate random normal distribution sample (Box-Muller transform)

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pub fn cosine_similarity(a: &[f32], b: &[f32]) -> Result<f32>

Compute cosine similarity between two vectors

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