Enum DiffError 

#[non_exhaustive]
pub enum DiffError {
    OrderZero,
    OrderUnsupported,
    StepSizeZero,
    IndexOutOfRange,
    EmptyFunctionSet,
}

Errors from the differentiation modules (finite differences, autodiff, Jacobian, Hessian, Taylor approximation, and the curl/divergence operators).

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.

OrderZero

The requested derivative order was zero.

OrderUnsupported

The requested derivative order is beyond what this differentiator supports.

StepSizeZero

A finite-difference step size of zero was supplied.

IndexOutOfRange

A variable index was outside the bounds of the point array.

EmptyFunctionSet

An empty set of functions was supplied where at least one was required.

Trait Implementations

impl Clone for DiffError

fn clone(&self) -> DiffError

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Copy for DiffError

impl Debug for DiffError

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

Formats the value using the given formatter.

impl Display for DiffError

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

Formats the value using the given formatter.

impl Error for DiffError

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<DiffError> for SolveError

fn from(e: DiffError) -> Self

Converts to this type from the input type.

impl From<DiffError> for CalcError

fn from(e: DiffError) -> Self

Converts to this type from the input type.

impl PartialEq for DiffError

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

Equality operator ==.

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

Inequality operator !=.

impl StructuralPartialEq for DiffError