spex backend

.github/workflows/ci_backends.yml

@@ -16,25 +16,27 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ['3.9']
-
+        python-version: ['3.10']
+        include:
+          - os: ubuntu-latest
+            cxx: /usr/bin/g++-14
     steps:
     - uses: actions/checkout@v2
     - name: Set up Python ${{ matrix.python-version }}
       uses: actions/setup-python@v1
       with:
         python-version: ${{ matrix.python-version }}
+    - name: Install spex
+      run: |
+        python -m pip install --upgrade pip
+        pip install git+https://github.com/Mikel-Ma/spex@devel
     - name: Install basic dependencies
       run: |
         python -m pip install --upgrade pip
         pip install -r requirements.txt
-        if [ $ver -eq 7 ]; then
-            # myqlm does not work in python3.7
-            pip install "cirq" "qiskit>=0.30" "qulacs" "qibo==0.1.1"
-        elif [ $ver -eq 8 ]; then
-            pip install "cirq" "qiskit" "qulacs" "qibo==0.1.1" "myqlm" "cirq-google"
-        fi
-        pip install -e .
+        pip install "qiskit" "qulacs"
+        # pip install cirq # installs too much stuff currently
+        pip install -e . 
     - name: Lint with flake8
       run: |
         pip install flake8

src/tequila/simulators/simulator_api.py

@@ -11,7 +11,7 @@
 from tequila.circuit.noise import NoiseModel
 from tequila.wavefunction.qubit_wavefunction import QubitWaveFunction
 
-SUPPORTED_BACKENDS = ["qulacs", "qulacs_gpu", "qibo", "qiskit", "qiskit_gpu", "cirq", "pyquil", "symbolic", "qlm"]
+SUPPORTED_BACKENDS = ["qulacs", "qulacs_gpu", "qibo", "qiskit", "qiskit_gpu", "cirq", "pyquil", "symbolic", "qlm", "spex"]
 SUPPORTED_NOISE_BACKENDS = ["qiskit", "qiskit_gpu", "cirq", "pyquil"]  # qulacs removed in v.1.9
 BackendTypes = namedtuple('BackendTypes', 'CircType ExpValueType')
 INSTALLED_SIMULATORS = {}
@@ -30,6 +30,15 @@
 """
 
 
+HAS_SPEX = True
+try:
+    from tequila.simulators.simulator_spex import BackendCircuitSpex, BackendExpectationValueSpex
+
+    INSTALLED_SIMULATORS["spex"] = BackendTypes(BackendCircuitSpex, BackendExpectationValueSpex)
+except ImportError:
+    HAS_SPEX = False
+
+
 HAS_QISKIT = True
 try:
     from tequila.simulators.simulator_qiskit import BackendCircuitQiskit, BackendExpectationValueQiskit