Enum FactorizationError 

pub enum FactorizationError {
    Singular,
    WrongInertia,
    FatalError,
}

Outcome of a crate::Factorization operation.

Wraps the lower-level ESymSolverStatus with Success removed (success is expressed as Result::Ok). Variants mirror upstream Ipopt’s status enum so a caller can map back if needed.

Variants

Singular

Matrix is singular; factor was aborted.

WrongInertia

Backend’s reported negative-eigenvalue count did not match the caller’s expectation.

FatalError

Unrecoverable backend error.

Trait Implementations

impl Clone for FactorizationError

fn clone(&self) -> FactorizationError

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Copy for FactorizationError

impl Debug for FactorizationError

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

Formats the value using the given formatter.

impl Display for FactorizationError

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

Formats the value using the given formatter.

impl Eq for FactorizationError

impl Error for FactorizationError

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 Hash for FactorizationError

fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher.

fn hash_slice<H>(data: &[Self], state: &mut H)

where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher.

impl PartialEq for FactorizationError

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

Tests for self and other values to be equal, and is used by ==.

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

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl StructuralPartialEq for FactorizationError