feat!: Move to classical input, classical output (#65)

* update cnot and comp basis tests

* Update GHZ test

* Update t gate tests

* Remove inputs and outputs

* Complete test coverage

* Remove commented functino

* Reintrocude exceptions

* Update measure exceptions

* Add entangled output test

* Update example

* Correct exception

pytket-mbqc-py/example_notebooks/blind_x_gate.ipynb → pytket-mbqc-py/example_notebooks/blind_z_gate.ipynb

@@ -5,11 +5,11 @@
    "id": "6ea7b4f5",
    "metadata": {},
    "source": [
-    "# Blind X Gate\n",
+    "# Blind Z Gate\n",
     "\n",
     "In the following we exemplify how to implement an X gate with `pytket-mbqc`.\n",
     "\n",
-    "We first initialis a graph state with 2 physical qubits and 3 logical qubits. This is to say that 2 qubits will be added to the circuit. These will be reused to build a 3 qubit graph state."
+    "We first initialise a graph state with 2 physical qubits and 3 logical qubits. The number of logical qubits can be higher than the number of phisical qubits if qubits are reused, as is the case here."
    ]
   },
   {
@@ -24,7 +24,7 @@
     "\n",
     "graph_circuit = GraphCircuit(\n",
     "    n_physical_qubits=2,\n",
-    "    n_logical_qubits=3\n",
+    "    n_logical_qubits=3,\n",
     ")\n",
     "render_circuit_jupyter(graph_circuit)"
    ]
@@ -38,7 +38,7 @@
     "\n",
     "Next we create a linear cluster state consisting of 3 qubits. Note that vertices are measured once all of the edges they connect to are added. This allows for some qubit reuse.\n",
     "\n",
-    "Themeasurement angles differ between vertices, being ewuivelent to an X gate. The input is initalised in the 1 computation basis state."
+    "The measurement angles differ between vertices, being equivelent to an Z gate. The input is |+>, and the measurements are in the hadamard bases."
    ]
   },
   {
@@ -50,17 +50,18 @@
    "source": [
     "import networkx as nx\n",
     "\n",
-    "input_qubit, input_vertex = graph_circuit.add_input_vertex(measurement_order=0)\n",
-    "graph_circuit.X(input_qubit)\n",
+    "input_vertex = graph_circuit.add_graph_vertex(measurement_order=0)\n",
     "\n",
-    "graph_vertex = graph_circuit.add_graph_vertex(measurement_order=1)\n",
+    "graph_vertex = graph_circuit.add_graph_vertex(measurement_order=None)\n",
     "graph_circuit.add_edge(input_vertex, graph_vertex)\n",
-    "graph_circuit.corrected_measure(vertex=input_vertex, t_multiple=0)\n",
+    "graph_circuit.corrected_measure(vertex=input_vertex, t_multiple=4)\n",
     "\n",
     "output_vertex = graph_circuit.add_graph_vertex(measurement_order=None)\n",
     "graph_circuit.add_edge(graph_vertex, output_vertex)\n",
     "graph_circuit.corrected_measure(vertex=graph_vertex, t_multiple=4)\n",
     "\n",
+    "graph_circuit.corrected_measure(vertex=output_vertex, t_multiple=0)\n",
+    "\n",
     "nx.draw(graph_circuit.entanglement_graph, with_labels=True)"
    ]
   },
@@ -79,7 +80,7 @@
    "id": "2493b013",
    "metadata": {},
    "source": [
-    "We can now run the resulting circuit, giving the 0 state 100% of the time, as we expect."
+    "We can now run the resulting circuit, giving the 1 state 100% of the time, as we expect."
    ]
   },
   {
@@ -94,12 +95,11 @@
     "api_offline = QuantinuumAPIOffline()\n",
     "backend = QuantinuumBackend(device_name=\"H1-1LE\", api_handler = api_offline)\n",
     "\n",
-    "output_dict = graph_circuit.get_outputs()\n",
-    "output_reg = graph_circuit.add_c_register(name='output_meas', size=1)\n",
-    "graph_circuit.Measure(output_dict[output_vertex], output_reg[0])\n",
+    "output_reg = [graph_circuit.vertex_reg[output_vertex][0]]\n",
     "\n",
-    "compiled_circuit = backend.get_compiled_circuit(circuit=graph_circuit)\n",
-    "result = backend.run_circuit(circuit=compiled_circuit, n_shots=100)\n",
+    "compiled_circuit = backend.get_compiled_circuit(graph_circuit)\n",
+    "n_shots = 100\n",
+    "result = backend.run_circuit(circuit=compiled_circuit, n_shots=n_shots)\n",
     "result.get_counts(cbits=output_reg)"
    ]
   }

pytket-mbqc-py/pytket_mbqc_py/__init__.py

@@ -2,6 +2,5 @@
 Tools for managing MBQC computations.
 """
 
-from .cnot_block import CNOTBlocksGraphCircuit
 from .graph_circuit import GraphCircuit
 from .qubit_manager import QubitManager