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#[cfg(feature = "serde")]
use serde_crate::{Deserialize, Serialize};
use std::fmt;
pub type Result<T> = std::result::Result<T, Error>;
#[cfg_attr(
feature = "serde",
derive(Serialize, Deserialize),
serde(crate = "serde_crate")
)]
#[derive(Debug, Clone)]
pub enum Error {
InvalidParams(String),
NotEnoughSamples,
IllConditioned,
}
impl fmt::Display for Error {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
match self {
Self::InvalidParams(msg) => write!(f, "Invalid hyper parameter: {}", msg),
Self::NotEnoughSamples => write!(
f,
"Not enough samples, has to be larger than number of features"
),
Self::IllConditioned => write!(f, "Ill conditioned data matrix"),
}
}
}
impl std::error::Error for Error {}