Enum OptimError 

pub enum OptimError {
    LengthMismatch {
        param: usize,
        grad: usize,
    },
    DimensionMismatch {
        rows: usize,
        cols: usize,
        product: usize,
        size: usize,
    },
    StateNotInitialised(usize),
    NumericalError(String),
}

Error type for the advanced optimizer implementations.

Variants

LengthMismatch

Parameter and gradient length mismatch.

Fields

param: usize

grad: usize

DimensionMismatch

Row/col dimensions inconsistent with total size.

Fields

rows: usize

cols: usize

product: usize

size: usize

StateNotInitialised(usize)

State not initialised for a parameter group index.

NumericalError(String)

Unexpected numerical issue (NaN/Inf).

Trait Implementations

impl Debug for OptimError

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

Formats the value using the given formatter.

impl Display for OptimError

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

Formats the value using the given formatter.

impl Error for OptimError

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<OptimError> for TrustformersError

fn from(e: OptimError) -> Self

Converts to this type from the input type.