oxicuda_graphalg/
error.rs

1//! Error types for `oxicuda-graphalg`.
2
3use thiserror::Error;
4
5/// Top-level error type for graph algorithm operations.
6#[derive(Debug, Error)]
7pub enum GraphalgError {
8    #[error("invalid graph: {0}")]
9    InvalidGraph(String),
10    #[error("negative weight detected on edge {edge:?}: {weight}")]
11    NegativeWeight { edge: (usize, usize), weight: f64 },
12    #[error("negative cycle detected in graph")]
13    NegativeCycle,
14    #[error("source node {node} out of range for graph of {n} nodes")]
15    SourceOutOfRange { node: usize, n: usize },
16    #[error("graph is disconnected: {0}")]
17    DisconnectedGraph(String),
18    #[error("graph is not bipartite: {0}")]
19    NotABipartiteGraph(String),
20    #[error("graph is not a DAG: a cycle was detected")]
21    NotADag,
22    #[error("invalid parameter: {0}")]
23    InvalidParameter(String),
24    #[error("numerical instability: {0}")]
25    NumericalInstability(String),
26    #[error("unsupported SM version: {0}")]
27    UnsupportedSmVersion(u32),
28    #[error("index {index} out of bounds for length {len}")]
29    IndexOutOfBounds { index: usize, len: usize },
30    #[error("empty input")]
31    EmptyInput,
32    #[error("algorithm did not converge after {iter} iterations")]
33    NotConverged { iter: usize },
34    #[error("not implemented: {0}")]
35    NotImplemented(String),
36    #[error("dimension mismatch: a={a}, b={b}")]
37    DimensionMismatch { a: usize, b: usize },
38    #[error("no solution exists: {0}")]
39    NoSolution(String),
40    #[error("invalid edge weight: {0}")]
41    InvalidEdgeWeight(String),
42    #[error("invalid configuration: {0}")]
43    InvalidConfiguration(String),
44}
45
46/// Result alias for graph algorithm operations.
47pub type GraphalgResult<T> = Result<T, GraphalgError>;
oxicuda_graphalg/error.rs

oxicuda_graphalg/
error.rs
