Exemple #1
0
    def test_snapshot_statevector_pre_measure_det(self):
        """Test snapshot statevector before deterministic final measurement"""
        shots = 10
        label = "snap"
        counts_targets = snapshot_state_counts_deterministic(shots)
        statevec_targets = snapshot_state_pre_measure_statevector_deterministic(
        )
        circuits = snapshot_state_circuits_deterministic(label,
                                                         'statevector',
                                                         post_measure=False)

        qobj = assemble(circuits, self.SIMULATOR, shots=shots)
        job = self.SIMULATOR.run(qobj, backend_options=self.BACKEND_OPTS)
        result = job.result()
        success = getattr(result, 'success', False)
        method = self.BACKEND_OPTS.get('method', 'automatic')
        if method not in QasmSnapshotStatevectorTests.SUPPORTED_QASM_METHODS:
            self.assertFalse(success)
        else:
            self.assertTrue(success)
            self.compare_counts(result, circuits, counts_targets, delta=0)
            # Check snapshots
            for j, circuit in enumerate(circuits):
                data = result.data(circuit)
                snaps = self.statevector_snapshots(data, label)
                self.assertTrue(len(snaps), 1)
                target = statevec_targets[j]
                value = snaps[0]
                self.assertTrue(np.allclose(value, target))
Exemple #2
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    def test_snapshot_stabilizer_post_measure_det(self):
        """Test snapshot stabilizer after deterministic final measurement"""
        shots = 10
        label = "snap"
        counts_targets = snapshot_state_counts_deterministic(shots)
        statevec_targets = snapshot_state_post_measure_statevector_deterministic(
        )
        circuits = snapshot_state_circuits_deterministic(label,
                                                         'stabilizer',
                                                         post_measure=True)

        qobj = assemble(circuits, self.SIMULATOR, memory=True, shots=shots)
        job = self.SIMULATOR.run(qobj, backend_options=self.BACKEND_OPTS)
        result = job.result()
        success = getattr(result, 'success', False)
        method = self.BACKEND_OPTS.get('method', 'automatic')
        if method not in QasmSnapshotStabilizerTests.SUPPORTED_QASM_METHODS:
            self.assertFalse(success)
        else:
            self.assertTrue(success)
            self.compare_counts(result, circuits, counts_targets, delta=0)
            # Check snapshots
            for i, circuit in enumerate(circuits):
                data = result.data(circuit)
                snaps = self.stabilizer_snapshots(data, label)
                for j, mem in enumerate(data['memory']):
                    statevec = statevec_targets[i].get(mem)
                    stabilizer = snaps[j]
                    self.assertTrue(
                        self.stabilizes_statevector(stabilizer, statevec))
    def test_snapshot_density_matrix_post_measure_det(self):
        """Test snapshot density matrix after deterministic final measurement"""
        shots = 10
        label = "snap"
        counts_targets = snapshot_state_counts_deterministic(shots)
        statevec_targets = snapshot_state_post_measure_statevector_deterministic(
        )
        circuits = snapshot_state_circuits_deterministic(label,
                                                         'density_matrix',
                                                         post_measure=True)

        qobj = assemble(circuits, self.SIMULATOR, memory=True, shots=shots)
        job = self.SIMULATOR.run(qobj, backend_options=self.BACKEND_OPTS)
        result = job.result()
        success = getattr(result, 'success', False)
        method = self.BACKEND_OPTS.get('method', 'automatic')
        if method not in QasmSnapshotDensityMatrixTests.SUPPORTED_QASM_METHODS:
            self.assertFalse(success)
        else:
            self.assertTrue(success)
            self.compare_counts(result, circuits, counts_targets, delta=0)
            # Check snapshots
            for i, circuit in enumerate(circuits):
                data = result.data(circuit)
                snaps = self.density_snapshots(data, label)
                for j, mem in enumerate(data['memory']):
                    target = statevec_targets[i].get(mem)
                    target = np.outer(target, target.conj())
                    value = snaps.get(mem)
                    self.assertTrue(np.allclose(value, target))
    def test_snapshot_density_matrix_pre_measure_det(self):
        """Test snapshot density matrix before deterministic final measurement"""
        shots = 10
        label = "snap"
        counts_targets = snapshot_state_counts_deterministic(shots)
        statevec_targets = snapshot_state_pre_measure_statevector_deterministic(
        )
        circuits = snapshot_state_circuits_deterministic(label,
                                                         'density_matrix',
                                                         post_measure=False)

        qobj = assemble(circuits, self.SIMULATOR, shots=shots)
        job = self.SIMULATOR.run(qobj, backend_options=self.BACKEND_OPTS)
        method = self.BACKEND_OPTS.get('method', 'automatic')
        if method not in QasmSnapshotDensityMatrixTests.SUPPORTED_QASM_METHODS:
            self.assertRaises(AerError, job.result)
        else:
            result = job.result()
            self.is_completed(result)
            self.compare_counts(result, circuits, counts_targets, delta=0)
            # Check snapshots
            for j, circuit in enumerate(circuits):
                data = result.data(circuit)
                snaps = self.density_snapshots(data, label)
                self.assertTrue(len(snaps), 1)
                target = np.outer(statevec_targets[j],
                                  statevec_targets[j].conj())
                # Pre-measurement all memory bits should be 0
                value = snaps.get('0x0')
                self.assertTrue(np.allclose(value, target))
    def test_snapshot_stabilizer_pre_measure_det(self):
        """Test snapshot stabilizer before deterministic final measurement"""
        shots = 10
        label = "snap"
        counts_targets = snapshot_state_counts_deterministic(shots)
        statevec_targets = snapshot_state_pre_measure_statevector_deterministic(
        )
        circuits = snapshot_state_circuits_deterministic(label,
                                                         'stabilizer',
                                                         post_measure=False)

        qobj = assemble(circuits, self.SIMULATOR, shots=shots)
        job = self.SIMULATOR.run(qobj, backend_options=self.BACKEND_OPTS)
        method = self.BACKEND_OPTS.get('method', 'automatic')
        if method not in QasmSnapshotStabilizerTests.SUPPORTED_QASM_METHODS:
            self.assertRaises(AerError, job.result)
        else:
            result = job.result()
            self.is_completed(result)
            self.compare_counts(result, circuits, counts_targets, delta=0)
            # Check snapshots
            for j, circuit in enumerate(circuits):
                data = result.data(circuit)
                snaps = self.stabilizer_snapshots(data, label)
                self.assertEqual(len(snaps), 1)
                statevec = statevec_targets[j]
                stabilizer = snaps[0]
                self.assertTrue(
                    self.stabilizes_statevector(stabilizer, statevec))
    def test_snapshot_statevector_post_measure_det(self):
        """Test snapshot statevector after deterministic final measurement"""
        shots = 10
        label = "snap"
        counts_targets = snapshot_state_counts_deterministic(shots)
        statevec_targets = snapshot_state_post_measure_statevector_deterministic(
        )
        circuits = snapshot_state_circuits_deterministic(label,
                                                         'statevector',
                                                         post_measure=True)

        qobj = assemble(circuits, self.SIMULATOR, memory=True, shots=shots)
        job = self.SIMULATOR.run(qobj, backend_options=self.BACKEND_OPTS)
        method = self.BACKEND_OPTS.get('method', 'automatic')
        if method not in QasmSnapshotStatevectorTests.SUPPORTED_QASM_METHODS:
            logging.getLogger().setLevel(logging.CRITICAL)
            self.assertRaises(AerError, job.result)
        else:
            result = job.result()
            self.is_completed(result)
            self.compare_counts(result, circuits, counts_targets, delta=0)
            # Check snapshots
            for i, circuit in enumerate(circuits):
                data = result.data(circuit)
                snaps = self.statevector_snapshots(data, label)
                for j, mem in enumerate(data['memory']):
                    target = statevec_targets[i].get(mem)
                    self.assertTrue(np.allclose(snaps[j], target))