optional_cuda_array_validator

cubie.batchsolving._utils.optional_cuda_array_validator(instance: Any, attribute: Any, value: Any, dimensions: int | None = None) → bool[source]

Validate that a value is None or a CUDA array with optional checks.

Parameters:

  • instance – Instance containing the attribute (required by attrs, unused here).

  • attribute – Attribute metadata supplied by attrs.

  • value – Value provided for validation.

  • dimensions – Required dimensionality when provided.

Returns:

True when value is None or passes cuda_array_validator().

Return type:

bool

Notes

The instance and attribute parameters are accepted for attrs compatibility and are not used in the validation logic.