Function ensure_hot

nodedb-codec/src/vector_quant/ternary/codec.rs:55–61

Expand cold-packed bits to hot if needed.

(packed: &[u8], quant_mode: u16, dim: usize)

/// Expand cold-packed bits to hot if needed.
fn ensure_hot(packed: &[u8], quant_mode: u16, dim: usize) -> std::borrow::Cow<'_, [u8]> {
    if quant_mode == QuantMode::TernaryPacked as u16 {
        std::borrow::Cow::Owned(cold_to_hot(packed, dim))
    } else {
        std::borrow::Cow::Borrowed(packed)
    }
}

impl VectorCodec for TernaryCodec {
    type Quantized = TernaryQuantized;