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q268100
bdist_wheel.add_requirements
test
def add_requirements(self, metadata_path): """Add additional requirements from setup.cfg to file metadata_path""" additional = list(self.setupcfg_requirements()) if not additional: return pkg_info = read_pkg_info(metadata_path) if 'Provides-Extra' in pkg_info or 'Requires-Dist' i...
python
{ "resource": "" }
q268101
bdist_wheel.egg2dist
test
def egg2dist(self, egginfo_path, distinfo_path): """Convert an .egg-info directory into a .dist-info directory""" def adios(p): """Appropriately delete directory, file or link.""" if os.path.exists(p) and not os.path.islink(p) and os.path.isdir(p): shutil.rmtree(p...
python
{ "resource": "" }
q268102
MessageFactory.text
test
def text(text: str, speak: str = None, input_hint: Union[InputHints, str] = InputHints.accepting_input) -> Activity: """ Returns a simple text message. :Example: message = MessageFactory.text('Greetings from example message') await context.send_activity(message) :param ...
python
{ "resource": "" }
q268103
MessageFactory.suggested_actions
test
def suggested_actions(actions: List[CardAction], text: str = None, speak: str = None, input_hint: Union[InputHints, str] = InputHints.accepting_input) -> Activity: """ Returns a message that includes a set of suggested actions and optional text. :Example: messa...
python
{ "resource": "" }
q268104
MessageFactory.attachment
test
def attachment(attachment: Attachment, text: str = None, speak: str = None, input_hint: Union[InputHints, str] = None): """ Returns a single message activity containing an attachment. :Example: message = MessageFactory.attachment(CardFactory.hero_card(HeroCard(title='...
python
{ "resource": "" }
q268105
MessageFactory.list
test
def list(attachments: List[Attachment], text: str = None, speak: str = None, input_hint: Union[InputHints, str] = None) -> Activity: """ Returns a message that will display a set of attachments in list form. :Example: message = MessageFactory.list([CardFactory.hero_card(Her...
python
{ "resource": "" }
q268106
MessageFactory.content_url
test
def content_url(url: str, content_type: str, name: str = None, text: str = None, speak: str = None, input_hint: Union[InputHints, str] = None): """ Returns a message that will display a single image or video to a user. :Example: message = MessageFactory.content_url('...
python
{ "resource": "" }
q268107
ActivityUtil.create_trace
test
def create_trace( turn_activity: Activity, name: str, value: object = None, value_type: str = None, label: str = None, ) -> Activity: """Creates a trace activity based on this activity. :param turn_activity: :type turn_activity: Activity :para...
python
{ "resource": "" }
q268108
Dialog.telemetry_client
test
def telemetry_client(self, value: BotTelemetryClient) -> None: """ Sets the telemetry client for logging events. """ if value is None: self._telemetry_client = NullTelemetryClient() else: self._telemetry_client = value
python
{ "resource": "" }
q268109
CosmosDbStorage.read
test
async def read(self, keys: List[str]) -> dict: """Read storeitems from storage. :param keys: :return dict: """ try: # check if the database and container exists and if not create if not self.__container_exists: self.__create_db_and_contain...
python
{ "resource": "" }
q268110
CosmosDbStorage.write
test
async def write(self, changes: Dict[str, StoreItem]): """Save storeitems to storage. :param changes: :return: """ try: # check if the database and container exists and if not create if not self.__container_exists: self.__create_db_and_cont...
python
{ "resource": "" }
q268111
CosmosDbStorage.delete
test
async def delete(self, keys: List[str]): """Remove storeitems from storage. :param keys: :return: """ try: # check if the database and container exists and if not create if not self.__container_exists: self.__create_db_and_container() ...
python
{ "resource": "" }
q268112
CosmosDbStorage.__create_si
test
def __create_si(self, result) -> StoreItem: """Create a StoreItem from a result out of CosmosDB. :param result: :return StoreItem: """ # get the document item from the result and turn into a dict doc = result.get('document') # readd the e_tag from Cosmos ...
python
{ "resource": "" }
q268113
CosmosDbStorage.__create_dict
test
def __create_dict(self, si: StoreItem) -> Dict: """Return the dict of a StoreItem. This eliminates non_magic attributes and the e_tag. :param si: :return dict: """ # read the content non_magic_attr = ([attr for attr in dir(si) if not at...
python
{ "resource": "" }
q268114
CosmosDbStorage.__sanitize_key
test
def __sanitize_key(self, key) -> str: """Return the sanitized key. Replace characters that are not allowed in keys in Cosmos. :param key: :return str: """ # forbidden characters bad_chars = ['\\', '?', '/', '#', '\t', '\n', '\r'] # replace those with wit...
python
{ "resource": "" }
q268115
CosmosDbStorage.__create_db_and_container
test
def __create_db_and_container(self): """Call the get or create methods.""" db_id = self.config.database container_name = self.config.container self.db = self.__get_or_create_database(self.client, db_id) self.container = self.__get_or_create_container( self.client, con...
python
{ "resource": "" }
q268116
CosmosDbStorage.__get_or_create_database
test
def __get_or_create_database(self, doc_client, id) -> str: """Return the database link. Check if the database exists or create the db. :param doc_client: :param id: :return str: """ # query CosmosDB for a database with that name/id dbs = list(doc_client....
python
{ "resource": "" }
q268117
CosmosDbStorage.__get_or_create_container
test
def __get_or_create_container(self, doc_client, container) -> str: """Return the container link. Check if the container exists or create the container. :param doc_client: :param container: :return str: """ # query CosmosDB for a container in the database with th...
python
{ "resource": "" }
q268118
QnAMaker.fill_qna_event
test
def fill_qna_event( self, query_results: [QueryResult], turn_context: TurnContext, telemetry_properties: Dict[str,str] = None, telemetry_metrics: Dict[str,float] = None ) -> EventData: """ Fills the event properties and metrics for the QnaMessage event for tel...
python
{ "resource": "" }
q268119
TurnContext.get_conversation_reference
test
def get_conversation_reference(activity: Activity) -> ConversationReference: """ Returns the conversation reference for an activity. This can be saved as a plain old JSON object and then later used to message the user proactively. Usage Example: reference = TurnContext.get_conve...
python
{ "resource": "" }
q268120
WaterfallDialog.get_step_name
test
def get_step_name(self, index: int) -> str: """ Give the waterfall step a unique name """ step_name = self._steps[index].__qualname__ if not step_name or ">" in step_name : step_name = f"Step{index + 1}of{len(self._steps)}" return step_name
python
{ "resource": "" }
q268121
Channel.supports_suggested_actions
test
def supports_suggested_actions(channel_id: str, button_cnt: int = 100) -> bool: """Determine if a number of Suggested Actions are supported by a Channel. Args: channel_id (str): The Channel to check the if Suggested Actions are supported in. button_cnt (int, optional): Defaults ...
python
{ "resource": "" }
q268122
Channel.supports_card_actions
test
def supports_card_actions(channel_id: str, button_cnt: int = 100) -> bool: """Determine if a number of Card Actions are supported by a Channel. Args: channel_id (str): The Channel to check if the Card Actions are supported in. button_cnt (int, optional): Defaults to 100. The num...
python
{ "resource": "" }
q268123
Channel.get_channel_id
test
def get_channel_id(turn_context: TurnContext) -> str: """Get the Channel Id from the current Activity on the Turn Context. Args: turn_context (TurnContext): The Turn Context to retrieve the Activity's Channel Id from. Returns: str: The Channel Id from the Turn Context's...
python
{ "resource": "" }
q268124
EmulatorValidation.is_token_from_emulator
test
def is_token_from_emulator(auth_header: str) -> bool: """ Determines if a given Auth header is from the Bot Framework Emulator :param auth_header: Bearer Token, in the 'Bearer [Long String]' Format. :type auth_header: str :return: True, if the token was issued by the Emulator. Otherwis...
python
{ "resource": "" }
q268125
CardFactory.hero_card
test
def hero_card(card: HeroCard) -> Attachment: """ Returns an attachment for a hero card. Will raise a TypeError if 'card' argument is not a HeroCard. Hero cards tend to have one dominant full width image and the cards text & buttons can usually be found below the image. :return: ...
python
{ "resource": "" }
q268126
Instruction.params
test
def params(self): """return instruction params""" # if params already defined don't attempt to get them from definition if self._definition and not self._params: self._params = [] for sub_instr, _, _ in self._definition: self._params.extend(sub_instr.param...
python
{ "resource": "" }
q268127
Instruction.mirror
test
def mirror(self): """For a composite instruction, reverse the order of sub-gates. This is done by recursively mirroring all sub-instructions. It does not invert any gate. Returns: Instruction: a fresh gate with sub-gates reversed """ if not self._definition:...
python
{ "resource": "" }
q268128
Instruction.inverse
test
def inverse(self): """Invert this instruction. If the instruction is composite (i.e. has a definition), then its definition will be recursively inverted. Special instructions inheriting from Instruction can implement their own inverse (e.g. T and Tdg, Barrier, etc.) Re...
python
{ "resource": "" }
q268129
Instruction.c_if
test
def c_if(self, classical, val): """Add classical control on register classical and value val.""" if not isinstance(classical, ClassicalRegister): raise QiskitError("c_if must be used with a classical register") if val < 0: raise QiskitError("control value should be non-ne...
python
{ "resource": "" }
q268130
Instruction.copy
test
def copy(self, name=None): """ shallow copy of the instruction. Args: name (str): name to be given to the copied circuit, if None then the name stays the same Returns: Instruction: a shallow copy of the current instruction, with the name upda...
python
{ "resource": "" }
q268131
Instruction._qasmif
test
def _qasmif(self, string): """Print an if statement if needed.""" if self.control is None: return string return "if(%s==%d) " % (self.control[0].name, self.control[1]) + string
python
{ "resource": "" }
q268132
Instruction.qasm
test
def qasm(self): """Return a default OpenQASM string for the instruction. Derived instructions may override this to print in a different format (e.g. measure q[0] -> c[0];). """ name_param = self.name if self.params: name_param = "%s(%s)" % (name_param, ",".jo...
python
{ "resource": "" }
q268133
PassManager.run
test
def run(self, circuit): """Run all the passes on a QuantumCircuit Args: circuit (QuantumCircuit): circuit to transform via all the registered passes Returns: QuantumCircuit: Transformed circuit. """ name = circuit.name dag = circuit_to_dag(circui...
python
{ "resource": "" }
q268134
PassManager._do_pass
test
def _do_pass(self, pass_, dag, options): """Do a pass and its "requires". Args: pass_ (BasePass): Pass to do. dag (DAGCircuit): The dag on which the pass is ran. options (dict): PassManager options. Returns: DAGCircuit: The transformed dag in case...
python
{ "resource": "" }
q268135
PassManager.passes
test
def passes(self): """ Returns a list structure of the appended passes and its options. Returns (list): The appended passes. """ ret = [] for pass_ in self.working_list: ret.append(pass_.dump_passes()) return ret
python
{ "resource": "" }
q268136
FlowController.dump_passes
test
def dump_passes(self): """ Fetches the passes added to this flow controller. Returns (dict): {'options': self.options, 'passes': [passes], 'type': type(self)} """ ret = {'options': self.options, 'passes': [], 'type': type(self)} for pass_ in self._passes: if ...
python
{ "resource": "" }
q268137
FlowController.controller_factory
test
def controller_factory(cls, passes, options, **partial_controller): """ Constructs a flow controller based on the partially evaluated controller arguments. Args: passes (list[BasePass]): passes to add to the flow controller. options (dict): PassManager options. ...
python
{ "resource": "" }
q268138
u_base
test
def u_base(self, theta, phi, lam, q): """Apply U to q.""" return self.append(UBase(theta, phi, lam), [q], [])
python
{ "resource": "" }
q268139
single_gate_params
test
def single_gate_params(gate, params=None): """Apply a single qubit gate to the qubit. Args: gate(str): the single qubit gate name params(list): the operation parameters op['params'] Returns: tuple: a tuple of U gate parameters (theta, phi, lam) Raises: QiskitError: if th...
python
{ "resource": "" }
q268140
single_gate_matrix
test
def single_gate_matrix(gate, params=None): """Get the matrix for a single qubit. Args: gate(str): the single qubit gate name params(list): the operation parameters op['params'] Returns: array: A numpy array representing the matrix """ # Converting sym to floats improves the...
python
{ "resource": "" }
q268141
einsum_matmul_index
test
def einsum_matmul_index(gate_indices, number_of_qubits): """Return the index string for Numpy.eignsum matrix-matrix multiplication. The returned indices are to perform a matrix multiplication A.B where the matrix A is an M-qubit matrix, matrix B is an N-qubit matrix, and M <= N, and identity matrices a...
python
{ "resource": "" }
q268142
einsum_vecmul_index
test
def einsum_vecmul_index(gate_indices, number_of_qubits): """Return the index string for Numpy.eignsum matrix-vector multiplication. The returned indices are to perform a matrix multiplication A.v where the matrix A is an M-qubit matrix, vector v is an N-qubit vector, and M <= N, and identity matrices a...
python
{ "resource": "" }
q268143
_einsum_matmul_index_helper
test
def _einsum_matmul_index_helper(gate_indices, number_of_qubits): """Return the index string for Numpy.eignsum matrix multiplication. The returned indices are to perform a matrix multiplication A.v where the matrix A is an M-qubit matrix, matrix v is an N-qubit vector, and M <= N, and identity matrices ...
python
{ "resource": "" }
q268144
circuit_to_dag
test
def circuit_to_dag(circuit): """Build a ``DAGCircuit`` object from a ``QuantumCircuit``. Args: circuit (QuantumCircuit): the input circuit. Return: DAGCircuit: the DAG representing the input circuit. """ dagcircuit = DAGCircuit() dagcircuit.name = circuit.name for register ...
python
{ "resource": "" }
q268145
exp_fit_fun
test
def exp_fit_fun(x, a, tau, c): """Function used to fit the exponential decay.""" # pylint: disable=invalid-name return a * np.exp(-x / tau) + c
python
{ "resource": "" }
q268146
osc_fit_fun
test
def osc_fit_fun(x, a, tau, f, phi, c): """Function used to fit the decay cosine.""" # pylint: disable=invalid-name return a * np.exp(-x / tau) * np.cos(2 * np.pi * f * x + phi) + c
python
{ "resource": "" }
q268147
plot_coherence
test
def plot_coherence(xdata, ydata, std_error, fit, fit_function, xunit, exp_str, qubit_label): """Plot coherence data. Args: xdata ydata std_error fit fit_function xunit exp_str qubit_label Raises: ImportError: If matp...
python
{ "resource": "" }
q268148
shape_rb_data
test
def shape_rb_data(raw_rb): """Take the raw rb data and convert it into averages and std dev Args: raw_rb (numpy.array): m x n x l list where m is the number of seeds, n is the number of Clifford sequences and l is the number of qubits Return: numpy_array: 2 x n x l list where i...
python
{ "resource": "" }
q268149
plot_rb_data
test
def plot_rb_data(xdata, ydatas, yavg, yerr, fit, survival_prob, ax=None, show_plt=True): """Plot randomized benchmarking data. Args: xdata (list): list of subsequence lengths ydatas (list): list of lists of survival probabilities for each sequence yavg (list...
python
{ "resource": "" }
q268150
_split_runs_on_parameters
test
def _split_runs_on_parameters(runs): """Finds runs containing parameterized gates and splits them into sequential runs excluding the parameterized gates. """ def _is_dagnode_parameterized(node): return any(isinstance(param, Parameter) for param in node.op.params) out = [] for run in ru...
python
{ "resource": "" }
q268151
Optimize1qGates.compose_u3
test
def compose_u3(theta1, phi1, lambda1, theta2, phi2, lambda2): """Return a triple theta, phi, lambda for the product. u3(theta, phi, lambda) = u3(theta1, phi1, lambda1).u3(theta2, phi2, lambda2) = Rz(phi1).Ry(theta1).Rz(lambda1+phi2).Ry(theta2).Rz(lambda2) = Rz(phi1).Rz(...
python
{ "resource": "" }
q268152
Optimize1qGates.yzy_to_zyz
test
def yzy_to_zyz(xi, theta1, theta2, eps=1e-9): # pylint: disable=invalid-name """Express a Y.Z.Y single qubit gate as a Z.Y.Z gate. Solve the equation .. math:: Ry(theta1).Rz(xi).Ry(theta2) = Rz(phi).Ry(theta).Rz(lambda) for theta, phi, and lambda. Return a solution ...
python
{ "resource": "" }
q268153
_validate_input_state
test
def _validate_input_state(quantum_state): """Validates the input to state visualization functions. Args: quantum_state (ndarray): Input state / density matrix. Returns: rho: A 2d numpy array for the density matrix. Raises: VisualizationError: Invalid input. """ rho = np....
python
{ "resource": "" }
q268154
_trim
test
def _trim(image): """Trim a PIL image and remove white space.""" background = PIL.Image.new(image.mode, image.size, image.getpixel((0, 0))) diff = PIL.ImageChops.difference(image, background) diff = PIL.ImageChops.add(diff, diff, 2.0, -100) bbox = diff.getbbox() if bbox: image = image.cr...
python
{ "resource": "" }
q268155
_get_gate_span
test
def _get_gate_span(qregs, instruction): """Get the list of qubits drawing this gate would cover""" min_index = len(qregs) max_index = 0 for qreg in instruction.qargs: index = qregs.index(qreg) if index < min_index: min_index = index if index > max_index: ...
python
{ "resource": "" }
q268156
circuit_to_instruction
test
def circuit_to_instruction(circuit): """Build an ``Instruction`` object from a ``QuantumCircuit``. The instruction is anonymous (not tied to a named quantum register), and so can be inserted into another circuit. The instruction will have the same string name as the circuit. Args: circuit ...
python
{ "resource": "" }
q268157
DenseLayout.run
test
def run(self, dag): """ Pick a convenient layout depending on the best matching qubit connectivity, and set the property `layout`. Args: dag (DAGCircuit): DAG to find layout for. Raises: TranspilerError: if dag wider than self.coupling_map """ ...
python
{ "resource": "" }
q268158
DenseLayout._best_subset
test
def _best_subset(self, n_qubits): """Computes the qubit mapping with the best connectivity. Args: n_qubits (int): Number of subset qubits to consider. Returns: ndarray: Array of qubits to use for best connectivity mapping. """ if n_qubits == 1: ...
python
{ "resource": "" }
q268159
barrier
test
def barrier(self, *qargs): """Apply barrier to circuit. If qargs is None, applies to all the qbits. Args is a list of QuantumRegister or single qubits. For QuantumRegister, applies barrier to all the qubits in that register.""" qubits = [] qargs = _convert_to_bits(qargs, [qbit for qreg in self....
python
{ "resource": "" }
q268160
average_data
test
def average_data(counts, observable): """Compute the mean value of an diagonal observable. Takes in a diagonal observable in dictionary, list or matrix format and then calculates the sum_i value(i) P(i) where value(i) is the value of the observable for state i. Args: counts (dict): a dict ...
python
{ "resource": "" }
q268161
AstInterpreter._process_bit_id
test
def _process_bit_id(self, node): """Process an Id or IndexedId node as a bit or register type. Return a list of tuples (Register,index). """ # pylint: disable=inconsistent-return-statements reg = None if node.name in self.dag.qregs: reg = self.dag.qregs[node....
python
{ "resource": "" }
q268162
AstInterpreter._process_custom_unitary
test
def _process_custom_unitary(self, node): """Process a custom unitary node.""" name = node.name if node.arguments is not None: args = self._process_node(node.arguments) else: args = [] bits = [self._process_bit_id(node_element) for node_elem...
python
{ "resource": "" }
q268163
AstInterpreter._process_gate
test
def _process_gate(self, node, opaque=False): """Process a gate node. If opaque is True, process the node as an opaque gate node. """ self.gates[node.name] = {} de_gate = self.gates[node.name] de_gate["print"] = True # default de_gate["opaque"] = opaque d...
python
{ "resource": "" }
q268164
AstInterpreter._process_cnot
test
def _process_cnot(self, node): """Process a CNOT gate node.""" id0 = self._process_bit_id(node.children[0]) id1 = self._process_bit_id(node.children[1]) if not(len(id0) == len(id1) or len(id0) == 1 or len(id1) == 1): raise QiskitError("internal error: qreg size mismatch", ...
python
{ "resource": "" }
q268165
AstInterpreter._process_measure
test
def _process_measure(self, node): """Process a measurement node.""" id0 = self._process_bit_id(node.children[0]) id1 = self._process_bit_id(node.children[1]) if len(id0) != len(id1): raise QiskitError("internal error: reg size mismatch", "line=%s...
python
{ "resource": "" }
q268166
AstInterpreter._process_if
test
def _process_if(self, node): """Process an if node.""" creg_name = node.children[0].name creg = self.dag.cregs[creg_name] cval = node.children[1].value self.condition = (creg, cval) self._process_node(node.children[2]) self.condition = None
python
{ "resource": "" }
q268167
AstInterpreter._create_dag_op
test
def _create_dag_op(self, name, params, qargs): """ Create a DAG node out of a parsed AST op node. Args: name (str): operation name to apply to the dag. params (list): op parameters qargs (list(QuantumRegister, int)): qubits to attach to Raises: ...
python
{ "resource": "" }
q268168
Schedule.ch_duration
test
def ch_duration(self, *channels: List[Channel]) -> int: """Return duration of supplied channels. Args: *channels: Supplied channels """ return self.timeslots.ch_duration(*channels)
python
{ "resource": "" }
q268169
Schedule.ch_start_time
test
def ch_start_time(self, *channels: List[Channel]) -> int: """Return minimum start time for supplied channels. Args: *channels: Supplied channels """ return self.timeslots.ch_start_time(*channels)
python
{ "resource": "" }
q268170
Schedule.ch_stop_time
test
def ch_stop_time(self, *channels: List[Channel]) -> int: """Return maximum start time for supplied channels. Args: *channels: Supplied channels """ return self.timeslots.ch_stop_time(*channels)
python
{ "resource": "" }
q268171
Schedule._instructions
test
def _instructions(self, time: int = 0) -> Iterable[Tuple[int, 'Instruction']]: """Iterable for flattening Schedule tree. Args: time: Shifted time due to parent Yields: Tuple[int, ScheduleComponent]: Tuple containing time `ScheduleComponent` starts at and...
python
{ "resource": "" }
q268172
ModelTypeValidator.check_type
test
def check_type(self, value, attr, data): """Validates a value against the correct type of the field. It calls ``_expected_types`` to get a list of valid types. Subclasses can do one of the following: 1. They can override the ``valid_types`` property with a tuple with t...
python
{ "resource": "" }
q268173
BaseSchema.dump_additional_data
test
def dump_additional_data(self, valid_data, many, original_data): """Include unknown fields after dumping. Unknown fields are added with no processing at all. Args: valid_data (dict or list): data collected and returned by ``dump()``. many (bool): if True, data and origi...
python
{ "resource": "" }
q268174
BaseSchema.load_additional_data
test
def load_additional_data(self, valid_data, many, original_data): """Include unknown fields after load. Unknown fields are added with no processing at all. Args: valid_data (dict or list): validated data returned by ``load()``. many (bool): if True, data and original_dat...
python
{ "resource": "" }
q268175
_SchemaBinder._create_validation_schema
test
def _create_validation_schema(schema_cls): """Create a patched Schema for validating models. Model validation is not part of Marshmallow. Schemas have a ``validate`` method but this delegates execution on ``load`` and discards the result. Similarly, ``load`` will call ``_deserialize`` o...
python
{ "resource": "" }
q268176
_SchemaBinder._validate
test
def _validate(instance): """Validate the internal representation of the instance.""" try: _ = instance.schema.validate(instance.to_dict()) except ValidationError as ex: raise ModelValidationError( ex.messages, ex.field_names, ex.fields, ex.data, **ex.kwarg...
python
{ "resource": "" }
q268177
_SchemaBinder._validate_after_init
test
def _validate_after_init(init_method): """Add validation after instantiation.""" @wraps(init_method) def _decorated(self, **kwargs): try: _ = self.shallow_schema.validate(kwargs) except ValidationError as ex: raise ModelValidationError( ...
python
{ "resource": "" }
q268178
BaseModel.to_dict
test
def to_dict(self): """Serialize the model into a Python dict of simple types. Note that this method requires that the model is bound with ``@bind_schema``. """ try: data, _ = self.schema.dump(self) except ValidationError as ex: raise ModelValidati...
python
{ "resource": "" }
q268179
BaseModel.from_dict
test
def from_dict(cls, dict_): """Deserialize a dict of simple types into an instance of this class. Note that this method requires that the model is bound with ``@bind_schema``. """ try: data, _ = cls.schema.load(dict_) except ValidationError as ex: ...
python
{ "resource": "" }
q268180
qft
test
def qft(circ, q, n): """n-qubit QFT on q in circ.""" for j in range(n): for k in range(j): circ.cu1(math.pi / float(2**(j - k)), q[j], q[k]) circ.h(q[j])
python
{ "resource": "" }
q268181
__partial_trace_vec
test
def __partial_trace_vec(vec, trace_systems, dimensions, reverse=True): """ Partial trace over subsystems of multi-partite vector. Args: vec (vector_like): complex vector N trace_systems (list(int)): a list of subsystems (starting from 0) to trace over. ...
python
{ "resource": "" }
q268182
vectorize
test
def vectorize(density_matrix, method='col'): """Flatten an operator to a vector in a specified basis. Args: density_matrix (ndarray): a density matrix. method (str): the method of vectorization. Allowed values are - 'col' (default) flattens to column-major vector. - 'row...
python
{ "resource": "" }
q268183
devectorize
test
def devectorize(vectorized_mat, method='col'): """Devectorize a vectorized square matrix. Args: vectorized_mat (ndarray): a vectorized density matrix. method (str): the method of devectorization. Allowed values are - 'col' (default): flattens to column-major vector. - 'r...
python
{ "resource": "" }
q268184
choi_to_rauli
test
def choi_to_rauli(choi, order=1): """ Convert a Choi-matrix to a Pauli-basis superoperator. Note that this function assumes that the Choi-matrix is defined in the standard column-stacking convention and is normalized to have trace 1. For a channel E this is defined as: choi = (I \\otimes E)(bel...
python
{ "resource": "" }
q268185
chop
test
def chop(array, epsilon=1e-10): """ Truncate small values of a complex array. Args: array (array_like): array to truncte small values. epsilon (float): threshold. Returns: np.array: A new operator with small values set to zero. """ ret = np.array(array) if np.isrea...
python
{ "resource": "" }
q268186
outer
test
def outer(vector1, vector2=None): """ Construct the outer product of two vectors. The second vector argument is optional, if absent the projector of the first vector will be returned. Args: vector1 (ndarray): the first vector. vector2 (ndarray): the (optional) second vector. R...
python
{ "resource": "" }
q268187
concurrence
test
def concurrence(state): """Calculate the concurrence. Args: state (np.array): a quantum state (1x4 array) or a density matrix (4x4 array) Returns: float: concurrence. Raises: Exception: if attempted on more than two qubits. """ rho = np.array(st...
python
{ "resource": "" }
q268188
shannon_entropy
test
def shannon_entropy(pvec, base=2): """ Compute the Shannon entropy of a probability vector. The shannon entropy of a probability vector pv is defined as $H(pv) = - \\sum_j pv[j] log_b (pv[j])$ where $0 log_b 0 = 0$. Args: pvec (array_like): a probability vector. base (int): the bas...
python
{ "resource": "" }
q268189
entropy
test
def entropy(state): """ Compute the von-Neumann entropy of a quantum state. Args: state (array_like): a density matrix or state vector. Returns: float: The von-Neumann entropy S(rho). """ rho = np.array(state) if rho.ndim == 1: return 0 evals = np.maximum(np.li...
python
{ "resource": "" }
q268190
mutual_information
test
def mutual_information(state, d0, d1=None): """ Compute the mutual information of a bipartite state. Args: state (array_like): a bipartite state-vector or density-matrix. d0 (int): dimension of the first subsystem. d1 (int or None): dimension of the second subsystem. Returns: ...
python
{ "resource": "" }
q268191
entanglement_of_formation
test
def entanglement_of_formation(state, d0, d1=None): """ Compute the entanglement of formation of quantum state. The input quantum state must be either a bipartite state vector, or a 2-qubit density matrix. Args: state (array_like): (N) array_like or (4,4) array_like, a bipartite...
python
{ "resource": "" }
q268192
__eof_qubit
test
def __eof_qubit(rho): """ Compute the Entanglement of Formation of a 2-qubit density matrix. Args: rho ((array_like): (4,4) array_like, input density matrix. Returns: float: The entanglement of formation. """ c = concurrence(rho) c = 0.5 + 0.5 * np.sqrt(1 - c * c) retur...
python
{ "resource": "" }
q268193
flatten
test
def flatten(schedule: ScheduleComponent, name: str = None) -> Schedule: """Create a flattened schedule. Args: schedule: Schedules to flatten name: Name of the new schedule. Defaults to first element of `schedules` """ if name is None: name = schedule.name return Schedule(*s...
python
{ "resource": "" }
q268194
shift
test
def shift(schedule: ScheduleComponent, time: int, name: str = None) -> Schedule: """Return schedule shifted by `time`. Args: schedule: The schedule to shift time: The time to shift by name: Name of shifted schedule. Defaults to name of `schedule` """ if name is None: nam...
python
{ "resource": "" }
q268195
insert
test
def insert(parent: ScheduleComponent, time: int, child: ScheduleComponent, name: str = None) -> Schedule: """Return a new schedule with the `child` schedule inserted into the `parent` at `start_time`. Args: parent: Schedule to be inserted into time: Time to be inserted defined with r...
python
{ "resource": "" }
q268196
append
test
def append(parent: ScheduleComponent, child: ScheduleComponent, name: str = None) -> Schedule: r"""Return a new schedule with by appending `child` to `parent` at the last time of the `parent` schedule's channels over the intersection of the parent and child schedule's channels. $t =...
python
{ "resource": "" }
q268197
u3
test
def u3(self, theta, phi, lam, q): """Apply u3 to q.""" return self.append(U3Gate(theta, phi, lam), [q], [])
python
{ "resource": "" }
q268198
BaseBackend.status
test
def status(self): """Return backend status. Returns: BackendStatus: the status of the backend. """ return BackendStatus(backend_name=self.name(), backend_version=__version__, operational=True, ...
python
{ "resource": "" }
q268199
BaseProgressBar.start
test
def start(self, iterations): """Start the progress bar. Parameters: iterations (int): Number of iterations. """ self.touched = True self.iter = int(iterations) self.t_start = time.time()
python
{ "resource": "" }