New release v0.3.3 into main (#248)

* Formula for estimating n_measurements for exp value to given accuracy updated with simpler form. (#192)
* Fix operator_expectation bug qith qubit operator / hamiltonian. (#191)
* iqcc ilc solver fork (#179)
* Make circuit iterable (#194)
* copy method for circuits + get_resources adjusted for some variations of VQE + invertible swap gate fix (#193)
* Release guide for project maintainers + version string (#195)
* Notebook: Important aspects of QChem modelling for QComputing (#199)
* Notebooks enabled for Google colab ("No local install" needed) (#198)
* Docker fix (#200)
* Excited states (#197)
* Translation function for qubit operators (#196)
* c2v axis definition changed (#205)
* Bidirectional conversion for Qiskit quantum circuits (#203)
* QEMISTClientConnection class (#207)
* Add n_qubits option to MultiformOperator compress function (#209)
* Quantum Signal Processing time-evolution (#204)
* added even trotter order > 2 (#210)
* Fixed number of qubits with scBK in ADAPT. (#214)
* Export coverage output file in github actions (#158)
* JKMN vector prep should return np array of int. (#215)
* Support for additional IonQ gates (#212)
* Remove unused n_min_orbitals attribute. (#218)
* Change JKMN Majorana definition so mapped Hamiltonian is real (#219)
* Relaxing condition fot iQCC-ILC test. (#221)
* Histogram class (#217)
* Compute energy from RDMs with FermionOperator (#220)
* IonQConnection: control update prints / verbosity. (#225)
* Refactor simulator (#213)
* added __repr__ method to Gate (#229)
* New bidirectional circuit translation functions and interface (#223)
* Add circuit.depth() in get_resources methods (#235)
* Variance and standard error of an expectation value (#238)
* VQESolver cleanup (#230)
* TETRIS-ADAPT-VQE (#241)
* TETRISADAPTSolver implementation + #224 fix
* Trotter order and active electrons for (i)QCC (#234)
* Symmetry post-selection (#232)
* Qiskit runtime integration (IBM quantum only) (#222)
* Add multi-control support for trotterization (#244)
* Compatibility with new QCloud outputs. (#246)
* Deprecate Simulator, introduce get_backend as replacement (#245)
* compute_rdms function (#228)
* Expanded FermionOperator attributes, defined logical and mathematical operations on it (add, mul, eq, etc)
* Bumping Tangelo version number in _version.py
* Update CHANGELOG.md

Co-authored-by: Valentin Senicourt <41597680+ValentinS4t1qbit@users.noreply.github.com>
Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>
Co-authored-by: AlexandreF-1qbit <76115575+AlexandreF-1qbit@users.noreply.github.com>
Co-authored-by: James Brown <james.brown@1qbit.com>
Co-authored-by: JamesB-1qbit <84878946+JamesB-1qbit@users.noreply.github.com>
Co-authored-by: MPCoons <84400409+MPCoons@users.noreply.github.com>
Co-authored-by: elloyd-1qbit <58313607+elloyd-1qbit@users.noreply.github.com>
Co-authored-by: KrzysztofB-1qbit <86750444+KrzysztofB-1qbit@users.noreply.github.com>
Co-authored-by: Rudi Plesch <rudi.plesch@1qbit.com>
Co-authored-by: GitHub Actions <noreply@github.com>
Co-authored-by: Valentin Senicourt <valentin.senicourt@1qbit.com>
Co-authored-by: Joshua Goings <3915169+jjgoings@users.noreply.github.com>

.github/workflows/continuous_integration.yml

@@ -24,6 +24,7 @@ jobs:
         pip install pytest
         pip install pytest-cov
         pip install jupyter
+        pip install pyqsp
 
     - name: Install pycodestyle
       run: |
@@ -32,12 +33,12 @@ jobs:
     - name: pycodestyle tests
       run: |
         cd dev_tools
-        pytest --doctest-modules --junitxml=junit/test-results.xml --cov=com --cov-report=xml --cov-report=html test_conformance.py
+        pytest --doctest-modules --junitxml=junit/pycodestyle-test-results.xml test_conformance.py
       if: always()
 
     - name: Install backends except qsharp/qdk
       run: |
-        pip install qiskit==0.33.1 # Due to strange behaviour of noise model
+        pip install qiskit
         pip install qulacs
         pip install amazon-braket-sdk
         pip install cirq
@@ -64,11 +65,28 @@ jobs:
     - name: tangelo tests
       run: |
         cd tangelo
-        pytest --doctest-modules --junitxml=junit/test-results.xml --cov=com --cov-report=xml --cov-report=html
+        pytest --doctest-modules --junitxml=junit/tangelo-test-results.xml --cov=. --cov-report=xml --cov-report=html
       if: always()
 
     - name: tangelo notebooks as tests
       run: |
         cd examples
-        pytest --doctest-modules --junitxml=junit/test-results.xml --cov=com --cov-report=xml --cov-report=html test_notebooks.py
+        pytest --doctest-modules --junitxml=junit/notebook-test-results.xml test_notebooks.py
+      if: always()
+
+    - name: Upload pytest test results
+      uses: actions/upload-artifact@v3
+      with:
+        name: tangelo-test-results
+        path: tangelo/junit/tangelo-test-results.xml
+
+    - name: Upload pytest html results
+      uses: actions/upload-artifact@v3
+      with:
+        name: tangelo-tests-coverage
+        path: tangelo/htmlcov
+      if: always()
+
+    - name: Download all workflow run artifacts
+      uses: actions/download-artifact@v3
       if: always()

CHANGELOG.md

@@ -3,6 +3,34 @@
 This file documents the main changes between versions of the code.
 
 
+## [0.3.3] - 2022-11-09
+
+### Added
+
+- Circuit translation from any supported source to any supported target format, with a single function
+- Translation for qubit / Pauli operators for qiskit format
+- All algorithms now run with any built-in or user-defined backend, simulator or QPU.
+- TETRIS-ADAPT VQE
+- iQCC-ILC
+- Quantum signal processing time-evolution
+- higher even trotterization orders fortime-evolution
+- Histogram class, featuring methods for renormalization, post-selection, aggregation
+- Computation of variance of expectation values
+- Function to compute RDMs from experimental data / classical shadow
+- IBMConnection Class for submission of experiments to IBM Quantum
+- qchem_modelling_basics and excited_states notebooks
+
+### Changed
+
+- All notebooks now launchable with Google Collab
+- Docker image updated
+
+### Deprecated
+
+- Simulator class deprecated in favor of get_backend function in linq
+- backend-specific translate_xxx functions (e.g translate_qiskit, translate_qulacs...) deprecated in favor of translate_circuit in linq
+
+
 ## [0.3.2] - 2022-08-06
 
 ### Added

examples/classical_shadows.ipynb

@@ -153,11 +153,11 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "from tangelo.linq import Simulator, Circuit\n",
+    "from tangelo.linq import get_backend, Circuit\n",
     "\n",
     "# Definition of the shots budget (shadow size) and backend.\n",
     "n_shots_budget = 1000\n",
-    "backend = Simulator(\"cirq\", noise_model=None)"
+    "backend = get_backend(\"cirq\", noise_model=None)"
    ]
   },
   {
@@ -300,7 +300,7 @@
     "n_shots_per_basis = round(n_shots_budget / len(qubitwise_measurements))\n",
     "\n",
     "# Shot-based backend.\n",
-    "backend = Simulator(\"cirq\", n_shots=n_shots_per_basis, noise_model=None)\n",
+    "backend = get_backend(\"cirq\", n_shots=n_shots_per_basis, noise_model=None)\n",
     "\n",
     "# Computing the histograms for the grouped bases.\n",
     "qubitwise_results = dict()\n",