Enum SolverError 

pub enum SolverError {
    Cuda(CudaError),
    Blas(BlasError),
    PtxGeneration(PtxGenError),
    SingularMatrix,
    NotPositiveDefinite,
    DimensionMismatch(String),
    ConvergenceFailure {
        iterations: u32,
        residual: f64,
    },
    WorkspaceRequired(usize),
    InternalError(String),
}

Solver-specific error type.

Every fallible solver operation returns SolverResult<T> which uses this enum as its error variant. The variants are ordered by failure mode: upstream errors first, then solver-specific conditions.

Variants

Cuda(CudaError)

A CUDA driver call failed.

Blas(BlasError)

A BLAS operation failed.

PtxGeneration(PtxGenError)

PTX kernel source generation failed.

SingularMatrix

The matrix is singular (pivot is exactly zero or numerically zero).

NotPositiveDefinite

The matrix is not positive definite (Cholesky decomposition failed).

DimensionMismatch(String)

Operand dimensions are incompatible.

ConvergenceFailure

An iterative solver failed to converge within the allowed iterations.

Fields

iterations: u32

Number of iterations performed before giving up.

residual: f64

The residual norm at termination.

WorkspaceRequired(usize)

The operation requires a workspace of at least the specified size.

InternalError(String)

An internal logic error that should not occur under normal conditions.

Trait Implementations

impl Debug for SolverError

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

Formats the value using the given formatter.

impl Display for SolverError

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

Formats the value using the given formatter.

impl Error for SolverError

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<BlasError> for SolverError

fn from(source: BlasError) -> Self

Converts to this type from the input type.

impl From<CudaError> for SolverError

fn from(source: CudaError) -> Self

Converts to this type from the input type.

impl From<PtxGenError> for SolverError

fn from(source: PtxGenError) -> Self

Converts to this type from the input type.