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ContinueLoopOp

class ContinueLoopOp(num_qubits, num_clbits, label=None)[source]

Bases: Instruction

A circuit operation which, when encountered, moves to the next iteration of the nearest enclosing loop.

Note

Can be inserted only within the body of a loop op, and must span the full width of that block.

Circuit symbol:

     ┌─────────────────┐
q_0: ┤0                ├
     │                 │
q_1: ┤1                ├
     │  continue_loop  │
q_2: ┤2                ├
     │                 │
c_0: ╡0                ╞
     └─────────────────┘

Create a new instruction.

Parameters
  • name (str) -- instruction name

  • num_qubits (int) -- instruction's qubit width

  • num_clbits (int) -- instruction's clbit width

  • params (list[int|float|complex|str|ndarray|list|ParameterExpression]) -- list of parameters

  • duration (int or float) -- instruction's duration. it must be integer if unit is 'dt'

  • unit (str) -- time unit of duration

  • label (str or None) -- An optional label for identifying the instruction.

Raises
  • CircuitError -- when the register is not in the correct format.

  • TypeError -- when the optional label is provided, but it is not a string.

Methods

add_decomposition

Add a decomposition of the instruction to the SessionEquivalenceLibrary.

assemble

Assemble a QasmQobjInstruction

broadcast_arguments

Validation of the arguments.

c_if

Set a classical equality condition on this instruction between the register or cbit classical and value val.

copy

Copy of the instruction.

inverse

Invert this instruction.

is_parameterized

Return True .IFF.

qasm

Return a default OpenQASM string for the instruction.

repeat

Creates an instruction with gate repeated n amount of times.

reverse_ops

For a composite instruction, reverse the order of sub-instructions.

soft_compare

Soft comparison between gates.

validate_parameter

Instruction parameters has no validation or normalization.

Attributes

condition_bits

Get Clbits in condition.

Return type

List[Clbit]

decompositions

Get the decompositions of the instruction from the SessionEquivalenceLibrary.

definition

Return definition in terms of other basic gates.

duration

Get the duration.

label

Return instruction label

Return type

str

name

Return the name.

num_clbits

Return the number of clbits.

num_qubits

Return the number of qubits.

params

return instruction params.

unit

Get the time unit of duration.