linfa_linear/
error.rs

1//! An error when modeling a Linear algorithm
2use linfa::Float;
3use thiserror::Error;
4
5pub type Result<T, F> = std::result::Result<T, LinearError<F>>;
6
7/// An error when modeling a Linear algorithm
8#[derive(Error, Debug)]
9#[non_exhaustive]
10pub enum LinearError<F: Float> {
11    /// Errors encountered when using argmin's solver
12    #[error("argmin {0}")]
13    Argmin(#[from] argmin::core::Error),
14    #[error(transparent)]
15    BaseCrate(#[from] linfa::Error),
16    #[error("At least one sample needed")]
17    NotEnoughSamples,
18    #[error("At least one target needed")]
19    NotEnoughTargets,
20    #[error("penalty should be positive, but is {0}")]
21    InvalidPenalty(F),
22    #[error("tweedie distribution power should not be in (0, 1), but is {0}")]
23    InvalidTweediePower(F),
24    #[error("some value(s) of y are out of the valid range for power value {0}")]
25    InvalidTargetRange(F),
26    #[error(transparent)]
27    #[cfg(feature = "blas")]
28    LinalgBlasError(#[from] ndarray_linalg::error::LinalgError),
29    #[error(transparent)]
30    LinalgError(#[from] linfa_linalg::LinalgError),
31}