add analogcircuit module

Author: refraction-ray

CHANGELOG.md

@@ -2,6 +2,10 @@
 
 ## Unreleased
 
+### Added
+
+- Add `tc.AnalogCircuit` for digital-analog hybrid simulation.
+
 ## v1.4.0
 
 ### Added

docs/source/api/analogcircuit.rst

@@ -0,0 +1,7 @@
+tensorcircuit.analogcircuit
+================================================================================
+.. automodule:: tensorcircuit.analogcircuit
+    :members:
+    :undoc-members:
+    :show-inheritance:
+    :inherited-members:

docs/source/modules.rst

@@ -3,6 +3,7 @@ tensorcircuit
 .. toctree::
     ./api/about.rst
     ./api/abstractcircuit.rst
+    ./api/analogcircuit.rst
     ./api/applications.rst
     ./api/backends.rst
     ./api/basecircuit.rst

tensorcircuit/__init__.py

@@ -27,6 +27,7 @@
 from . import basecircuit
 from .gates import Gate
 from .quditcircuit import QuditCircuit
+from .analogcircuit import AnalogCircuit
 from .circuit import Circuit, expectation
 from .mpscircuit import MPSCircuit
 from .densitymatrix import DMCircuit as DMCircuit_reference

tensorcircuit/abstractcircuit.py

@@ -65,6 +65,8 @@
     ["td", "tdg"],
 ]
 
+defined_gates = sgates + vgates + mpogates + [alias[1] for alias in gate_aliases]
+
 
 class AbstractCircuit:
     _nqubits: int