initial movement of files 👌

doc/introduction/interfaces.rst

@@ -32,7 +32,7 @@ a :class:`QNode <pennylane.QNode>`, e.g.,
 
 .. note::
     If no interface is specified, PennyLane will automatically determine the interface based on provided arguments and keyword arguments.
-    See ``qml.workflow.SUPPORTED_INTERFACES`` for a list of all accepted interface strings.
+    See ``qml.math.SUPPORTED_INTERFACES`` for a list of all accepted interface strings.
 
 .. warning::
 

pennylane/devices/execution_config.py

@@ -17,8 +17,8 @@
 from dataclasses import dataclass, field
 from typing import Optional, Union
 
+from pennylane.math import SUPPORTED_INTERFACE_NAMES
 from pennylane.transforms.core import TransformDispatcher
-from pennylane.workflow import SUPPORTED_INTERFACE_NAMES
 
 
 @dataclass

pennylane/devices/legacy_facade.py

@@ -22,9 +22,9 @@
 from dataclasses import replace
 
 import pennylane as qml
+from pennylane.math import INTERFACE_MAP
 from pennylane.measurements import MidMeasureMP, Shots
 from pennylane.transforms.core.transform_program import TransformProgram
-from pennylane.workflow.execution import INTERFACE_MAP
 
 from .device_api import Device
 from .execution_config import DefaultExecutionConfig

pennylane/math/__init__.py

@@ -88,12 +88,20 @@
     allequal,
     cast,
     cast_like,
+)
+from .interface import (
     convert_like,
+    get_canonical_interface_name,
+    SupportedInterfaceUserInput,
+    jpc_interfaces,
+    SUPPORTED_INTERFACE_NAMES,
+    INTERFACE_MAP,
     get_deep_interface,
     get_interface,
     in_backprop,
-    is_abstract,
     requires_grad,
+    is_abstract,
+    resolve_interface,
 )
 
 sum = ar.numpy.sum

pennylane/math/multi_dispatch.py

@@ -24,7 +24,8 @@
 from numpy import ndarray
 
 from . import single_dispatch  # pylint:disable=unused-import
-from .utils import cast, cast_like, get_interface, requires_grad
+from .interface import get_interface, requires_grad
+from .utils import cast, cast_like
 
 
 # pylint:disable=redefined-outer-name

pennylane/math/quantum.py

@@ -24,9 +24,10 @@
 import pennylane as qml
 
 from . import single_dispatch  # pylint:disable=unused-import
+from .interface import convert_like, get_interface, is_abstract
 from .matrix_manipulation import _permute_dense_matrix
-from .multi_dispatch import diag, dot, einsum, get_interface, scatter_element_add
-from .utils import allclose, cast, cast_like, convert_like, is_abstract
+from .multi_dispatch import diag, dot, einsum, scatter_element_add
+from .utils import allclose, cast, cast_like
 
 ABC_ARRAY = np.array(list(ABC))
 

pennylane/math/single_dispatch.py

@@ -22,7 +22,7 @@
 from packaging.version import Version
 from scipy.linalg import block_diag as _scipy_block_diag
 
-from .utils import get_deep_interface, is_abstract
+from .interface import get_deep_interface, is_abstract
 
 
 def _i(name):