Enum FullStepError 

#[non_exhaustive]
pub enum FullStepError {
    Heff(DmrgHeffError),
    Scale(LinalgError),
}

Error raised by DmrgOps::full_step_k, distinguishing the local eigensolve failure from the post-solve S-absorb failure so the sweep driver can keep its Step / Scale breadcrumbs.

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.

Heff(DmrgHeffError)

The local effective-Hamiltonian solve (dmrg_2site_step / dmrg_2site_step_block_sparse) failed.

Scale(LinalgError)

The post-solve S-absorb (diagonal_scale) failed.

Trait Implementations

impl Debug for FullStepError

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

Formats the value using the given formatter.

impl Display for FullStepError

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

Formats the value using the given formatter.

impl Error for FullStepError

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.