Function make_codec

nodedb-vector/src/quantize/pq_codec.rs:155–169

()

    use super::*;

    fn make_codec() -> PqCodec {
        let vecs: Vec<Vec<f32>> = (0..80)
            .map(|i| {
                let c = (i / 20) as f32 * 5.0;
                vec![
                    c + (i as f32) * 0.1,
                    c - (i as f32) * 0.05,
                    c + 1.0,
                    c - 1.0,
                ]
            })
            .collect();
        let refs: Vec<&[f32]> = vecs.iter().map(|v| v.as_slice()).collect();
        PqCodec::train(&refs, 4, 2, 8, 10)
    }

    /// `encode` round-trip: packed_bits in the UQV must match the raw
    /// `PqCodec::encode` output.