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merlin.core.computation_space module

Computation space definitions controlling logical basis selection.

class merlin.core.computation_space.ComputationSpace(value, names=<not given>, *values, module=None, qualname=None, type=None, start=1, boundary=None)

Bases: str, Enum

Enumeration of supported computational subspaces.

DUAL_RAIL = 'dual_rail'

FOCK = 'fock'

UNBUNCHED = 'unbunched'

classmethod coerce(value)

Normalize user-provided values (enum instances or case-insensitive strings).

Parameters:: value (ComputationSpace | str) – Enum instance or case-insensitive string value.
Returns:: Normalized computation space value.
Return type:: ComputationSpace
Raises:: ValueError – If value does not match a supported computation space.

classmethod default(*, no_bunching)

Derive the default computation space from the legacy flag.

Parameters:: no_bunching (bool) – Legacy flag indicating whether bunching should be disallowed.
Returns:: Default computation space matching the legacy behavior.
Return type:: ComputationSpace