return 1 if a and b are approximately equal relative to floating-point precision, 0 otherwise */

Apply a general Pauli tensor product rotation, `exp(i theta P)`, on the specified qubit register. The Pauli tensor product is provide

For a call to `__quantum__rt__qubit_allocate_array`, get the number of qubits allocated.

@brief QIR Initialization function

@brief Once done, release the QIR qubit array

@brief Destroys all contained qudits. Postcondition: `size() == 0`.

@brief Get the `cudensitymat` handle. @return cudensitymatHandle_t Handle to the `cudensitymat` context.

Define a logical observable over one or more measurement results. The variadic form uses ``observable_index = 0``. Codes with ``k`` logical q

Measure the qubit along the x-axis.

Reset schedule

This operation swaps the states of the provided qubits. Can be controlled on any number of qubits via the `ctrl` method.

@brief returns an iterator to the first element @sa https://json.nlohmann.me/api/basic_json/begin/

Build PTSBE trace then extract noise sites (the two-step pipeline).

! @return a string representation of the last read byte */

@brief Check whether the operator at the given index is an identity. Determined from the unitary matrix data during channel construction, recognizing

Trims off the cudaq generated prefix and the mangled suffix, if any.

Compute the expected value of the `spin_operator` with respect to the `kernel` asynchronously. If the kernel accepts arguments, it will be

access to successor

@brief QIR function for allocated a qubit array

@brief Get iterator to beginning of operator terms

@brief Count non-identity errors in this trajectory (error weight) @return Number of selections with is_error == true

This operation applies a controlled-z operation to the given target qubit, with the provided control qubit/s.

Return an MLIR float type (single or double precision).

@brief Retrieve the MPI plugin comm interface

Returns the qid for the virtual wire this node allocates

Get the result type if \p ty is a function type or just return \p ty.

Process call site arguments, capture lifted arguments and retrieve compiled module for kernel execution. # Returns:

@brief Returns the `[start, start+size)` qudits.

Swap the states of the provided qubits. ```python # Example: kernel = cudaq.make_kernel() # All

This operation applies a rotation on the z-axis of negative 45 degrees to the given target qubit/s.

Apply the U V U^dag given U and V unitaries.

The emitFatalError() function is used when the compiler reaches a point that it cannot continue and produce valid output code. This is very much like

This operation is an arbitrary rotation about the |1> state or the Z axis, which introduces a relative phase factor of lambda/2.

Set of (term_id, coefficient) from iterating over op

Controlled swap of the states of the provided qubits. The controls parameter is expected to be a list of QuakeValue. ```pyt