flow-pacmap 0.1.1

PaCMAP dimensionality reduction (Wang et al. 2021) for large-n flow cytometry — faer PCA, optional HNSW and k-d tree KNN
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39

//! Error types for flow-pacmap.

use thiserror::Error;

#[derive(Debug, Error)]
pub enum PaCMAPError {
    #[error("Dataset too small: need at least 2 points, got {n}")]
    DatasetTooSmall { n: usize },

    #[error("Dimension mismatch: data slice length {len} is not divisible by d={d}")]
    DimensionMismatch { len: usize, d: usize },

    #[error("n={n} exceeds u32::MAX — indices would overflow pair storage")]
    DatasetTooLarge { n: usize },

    #[error("Pair count overflow: n={n} × k={k} would overflow usize")]
    PairCountOverflow { n: usize, k: usize },

    #[error(
        "Insufficient memory: embedding requires ~{required_bytes} bytes but only \
         {available_bytes} bytes are available"
    )]
    InsufficientMemory {
        required_bytes: usize,
        available_bytes: usize,
    },

    #[error("KNN method not implemented: {method}")]
    MethodNotImplemented { method: String },

    #[error("KNN index error: {0}")]
    KnnIndex(String),

    #[error("PCA failed: {0}")]
    Pca(String),

    #[error("Run cancelled by caller")]
    Cancelled,
}