types.backends.validate_device

types.backends.validate_device(device, backend)

Validate device for given backend.

Parameters

Name	Type	Description	Default
device	str	Device identifier	required
backend	Backend	Backend being used	required

Returns

Name	Type	Description
	Device	Validated device

Raises

Name	Type	Description
	ValueError	If device incompatible with backend

Examples

>>> validate_device('cuda', 'torch')
'cuda'
>>> validate_device('cuda', 'numpy')  # ValueError - NumPy is CPU-only

# types.backends.validate_device { #cdesym.types.backends.validate_device }

```python
types.backends.validate_device(device, backend)
```

Validate device for given backend.

## Parameters {.doc-section .doc-section-parameters}

| Name    | Type    | Description        | Default    |
|---------|---------|--------------------|------------|
| device  | str     | Device identifier  | _required_ |
| backend | Backend | Backend being used | _required_ |

## Returns {.doc-section .doc-section-returns}

| Name   | Type   | Description      |
|--------|--------|------------------|
|        | Device | Validated device |

## Raises {.doc-section .doc-section-raises}

| Name   | Type       | Description                         |
|--------|------------|-------------------------------------|
|        | ValueError | If device incompatible with backend |

## Examples {.doc-section .doc-section-examples}

```python
>>> validate_device('cuda', 'torch')
'cuda'
>>> validate_device('cuda', 'numpy')  # ValueError - NumPy is CPU-only
```