feos_core/
errors.rs

1use num_dual::linalg::LinAlgError;
2use std::io;
3use thiserror::Error;
4
5/// Error type for improperly defined states and convergence problems.
6#[derive(Error, Debug)]
7pub enum FeosError {
8    // generic error with custom message
9    #[error("{0}")]
10    Error(String),
11
12    // errors related to algorithms
13    #[error("`{0}` did not converge within the maximum number of iterations.")]
14    NotConverged(String),
15    #[error("`{0}` encountered illegal values during the iteration.")]
16    IterationFailed(String),
17    #[error("Iteration resulted in trivial solution.")]
18    TrivialSolution,
19    #[error(
20        "Equation of state is initialized for {0} components while the input specifies {1} components."
21    )]
22    IncompatibleComponents(usize, usize),
23    #[error("Invalid state in {0}: {1} = {2}.")]
24    InvalidState(String, String, f64),
25    #[error("Undetermined state: {0}")]
26    UndeterminedState(String),
27    #[error(
28        "Extensive properties can only be evaluated for states that are initialized with extensive properties."
29    )]
30    IntensiveState,
31    #[error("System is supercritical.")]
32    SuperCritical,
33    #[error("No phase split according to stability analysis.")]
34    NoPhaseSplit,
35    #[error("Wrong input units. Expected {0}, got {1}")]
36    WrongUnits(String, String),
37
38    // errors related to file handling
39    #[error(transparent)]
40    FileIO(#[from] io::Error),
41
42    // json errors
43    #[error(transparent)]
44    Serde(#[from] serde_json::Error),
45
46    // errors related to parameter handling
47    #[error("The following component(s) were not found: {0}")]
48    ComponentsNotFound(String),
49    #[error(
50        "The identifier '{0}' is not known. ['cas', 'name', 'iupacname', 'smiles', inchi', 'formula']"
51    )]
52    IdentifierNotFound(String),
53    #[error("Information missing.")]
54    InsufficientInformation,
55    #[error("Incompatible parameters: {0}")]
56    IncompatibleParameters(String),
57    #[error("Missing parameters: {0}")]
58    MissingParameters(String),
59
60    // other errors
61    #[error(transparent)]
62    LinAlgError(#[from] LinAlgError),
63    #[cfg(feature = "rayon")]
64    #[error(transparent)]
65    RayonError(#[from] rayon::ThreadPoolBuildError),
66    #[cfg(feature = "ndarray")]
67    #[error(transparent)]
68    ShapeError(#[from] ndarray::ShapeError),
69    #[cfg(feature = "rusqlite")]
70    #[error(transparent)]
71    RusqLiteError(#[from] rusqlite::Error),
72}
73
74/// Convenience type for `Result<T, FeosError>`.
75pub type FeosResult<T> = Result<T, FeosError>;
feos_core/errors.rs

feos_core/
errors.rs
