//! # Ternary Embedding Layer
//! 
//! Maps input tokens to the ternary manifold {-1, 0, 1}.

pub struct TernaryEmbedding {
    pub vocab_size: usize,
    pub dim: usize,
}

impl TernaryEmbedding {
    pub fn new(vocab_size: usize, dim: usize) -> Self {
        Self { vocab_size, dim }
    }

    /// Embeds a sequence of token IDs into the ternary manifold.
    pub fn forward(&self, tokens: &[usize]) -> Vec<i8> {
        // Implementation: Map tokens to ternary vectors
        vec![0; tokens.len() * self.dim]
    }
}
