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use thiserror::Error;
pub type Result<T> = std::result::Result<T, MathError>;
#[derive(Debug, Error)]
pub enum MathError {
#[error("parse error: {0}")]
Parse(String),
#[error("evaluation error: {0}")]
Eval(String),
#[error("unknown variable: {0}")]
UnknownVariable(String),
#[error("unknown function: {0}")]
UnknownFunction(String),
#[error("domain error: {0}")]
Domain(String),
#[error("non-convergent: {0}")]
NotConvergent(String),
#[error("invalid argument: {0}")]
InvalidArgument(String),
#[error("io error: {0}")]
Io(#[from] std::io::Error),
#[error("plot error: {0}")]
Plot(String),
#[error("{0}")]
Other(String),
}
impl From<anyhow::Error> for MathError {
fn from(e: anyhow::Error) -> Self {
MathError::Other(e.to_string())
}
}