Enum PolynomialError 

#[non_exhaustive]
pub enum PolynomialError {
    NonFinite,
    LeadingCoefficientZero,
    DegreeOverflow,
    CapacityExceeded,
    Empty,
    VariableOutOfRange,
    DuplicateNode,
    TooFewSamples,
    SpanNotPositive,
    DidNotConverge {
        steps: usize,
    },
    Linalg(LinalgError),
}

Errors from polynomial construction, evaluation, and root finding.

Variants (Non-exhaustive)

Non-exhaustive enums could have additional variants added in future. Therefore, when matching against variants of non-exhaustive enums, an extra wildcard arm must be added to account for any future variants.

NonFinite

A coefficient, node, or sample was infinite or NaN.

LeadingCoefficientZero

The highest coefficient is zero, so the polynomial is not of the degree asked for.

DegreeOverflow

The result needs more coefficients than the polynomial has room for.

CapacityExceeded

More terms than the polynomial can hold.

Empty

There is nothing to evaluate.

VariableOutOfRange

A variable index past the number of variables the polynomial has.

DuplicateNode

Two interpolation points share the same position.

TooFewSamples

Fewer samples were given than the number of coefficients to fit.

SpanNotPositive

A piece covers zero or a negative amount of the parameter.

DidNotConverge

Root isolation ran out of steps before separating every root.

Fields

steps: usize

How many halving steps were taken.

Linalg(LinalgError)

A fit or an endpoint solve could not be factorized.

Trait Implementations

impl Clone for PolynomialError

fn clone(&self) -> PolynomialError

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Copy for PolynomialError

impl Debug for PolynomialError

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Display for PolynomialError

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Error for PolynomialError

fn source(&self) -> Option<&(dyn Error + 'static)>

Returns the lower-level source of this error, if any.

fn description(&self) -> &str

👎Deprecated since 1.42.0:

use the Display impl or to_string()

fn cause(&self) -> Option<&dyn Error>

👎Deprecated since 1.33.0:

replaced by Error::source, which can support downcasting

fn provide<'a>(&'a self, request: &mut Request<'a>)

🔬This is a nightly-only experimental API. (error_generic_member_access)

Provides type-based access to context intended for error reports.

impl From<LinalgError> for PolynomialError

fn from(e: LinalgError) -> Self

Converts to this type from the input type.

impl From<PolynomialError> for MotionError

fn from(e: PolynomialError) -> Self

Converts to this type from the input type.

impl From<PolynomialError> for CalcError

fn from(e: PolynomialError) -> Self

Converts to this type from the input type.

impl PartialEq for PolynomialError

fn eq(&self, other: &PolynomialError) -> bool

Equality operator ==.

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=.

impl StructuralPartialEq for PolynomialError