Function constant_dimension_handled

nodedb-vector/src/quantize/sq8.rs:344–353

()

    #[test]
    fn constant_dimension_handled() {
        // All vectors have the same value in dimension 0.
        let vecs: Vec<Vec<f32>> = (0..10).map(|i| vec![5.0, i as f32]).collect();
        let refs: Vec<&[f32]> = vecs.iter().map(|v| v.as_slice()).collect();
        let codec = Sq8Codec::calibrate(&refs, 2);

        // Constant dimension should quantize to 0 without NaN/inf.
        let q = codec.quantize(&[5.0, 3.0]);
        assert_eq!(q[0], 0); // constant dim
    }
}