Merge branch 'develop' into 'main'

Rivet v1.0.11

See merge request haiqu-ai/qml-transpiler!38

pyproject.toml

@@ -10,7 +10,7 @@
     readme = "README.md"
     authors = [{ name = "Haiqu Inc.", email = "info@haiqu.ai" }]
     license = { file = "LICENSE" }
-    version = "1.0.10"
+    version = "1.0.11"
     requires-python = ">= 3.10"
     dependencies = [
         "qiskit <= 1.0.2",
@@ -46,7 +46,7 @@
 
 [project.optional-dependencies]
 
-    bqskit = ["bqskit >= 1.1.1"]
+    bqskit = ["bqskit <= 1.1.2"]
 
     pytket = ["pytket >= 1.31.0",
               "pytket-qiskit >= 0.51.0",

rivet_transpiler/transpiler.py

@@ -150,11 +150,9 @@ def transpile_right(central_circuit, right_circuit,
 
     # Transpile and Compose
 
-    if backend is not None and backend.coupling_map is not None:
+    full_map = get_full_map(central_circuit)
 
-        full_map = get_full_map(central_circuit)
-
-        key_arguments['initial_layout'] = full_map[:right_circuit.num_qubits]
+    key_arguments['initial_layout'] = full_map[:right_circuit.num_qubits]
 
     transpiled_right_circuit = transpile(
         right_circuit,
@@ -189,7 +187,10 @@ def transpile_right(central_circuit, right_circuit,
 
     if transpiled_right_circuit.layout.final_layout is None:
 
-        right_routing = list(range(transpiled_right_circuit.num_qubits))
+        resulting_qubits_count = max(central_circuit.num_qubits,
+                                     transpiled_right_circuit.num_qubits)
+
+        right_routing = list(range(resulting_qubits_count))
 
     else:
         right_routing = [transpiled_right_circuit.layout.final_layout[qubit]
@@ -211,13 +212,6 @@ def transpile_right(central_circuit, right_circuit,
 
     resulting_circuit._layout = transpile_layout
 
-    # Printouts
-
-    # print("central_routing:", central_routing)
-    # print("right_routing:", right_routing)
-    # print("final_routing:", final_routing)
-    # print("final_layout:", final_layout)
-
     return resulting_circuit
 
 

tests/test_transpiler.py

@@ -12,6 +12,7 @@
 
 from rivet_transpiler import get_full_map
 from rivet_transpiler import get_litmus_circuit
+from rivet_transpiler import get_used_qubit_indices
 
 
 # Test Transpile Functions
@@ -65,6 +66,32 @@ def test_transpile_right(litmus_circuit, backend):
     assert transpiled_right_circuit
 
 
+def test_transpile_right_target(litmus_circuit, backend):
+
+    target = backend.target if backend else None
+
+    transpiled_litmus_circuit = qiskit.transpile(
+        litmus_circuit,
+        target=target,
+        seed_transpiler=1234)
+
+    transpiled_right_circuit = transpile_right(
+        central_circuit=transpiled_litmus_circuit,
+        right_circuit=litmus_circuit,
+        target=target,
+        seed_transpiler=1234)
+
+    litmus_qubits_count = len(
+        get_used_qubit_indices(
+            litmus_circuit))
+
+    transpiled_right_qubits_count = len(
+        get_used_qubit_indices(
+            transpiled_right_circuit))
+
+    assert litmus_qubits_count == transpiled_right_qubits_count
+
+
 def test_transpile_left(litmus_circuit, backend):
 
     transpiled_litmus_circuit = qiskit.transpile(