qiskit/quantum_info/operators/base_operator.py
def _automatic_dims(cls, dims, size):
        """Check if input dimension corresponds to qubit subsystems."""
        if dims is None:
            dims = size
        elif np.product(dims) != size:
            raise QiskitError("dimensions do not match size.")
        if isinstance(dims, (int, np.integer)):
            num_qubits = int(np.log2(dims))
            if 2 ** num_qubits == size:
                return num_qubits * (2,)
            return (dims,)
        return tuple(dims)
def _automatic_dims(cls, dims, size):
        if dims is None:
            dims = size
        elif np.product(dims) != size:
            raise QiskitError("dimensions do not match size.")
        if isinstance(dims, (int, np.integer)):
            num_qubits = int(np.log2(dims))
            if 2 ** num_qubits == size:
                return num_qubits * (2,)
            return (dims,)
        return tuple(dims)
def _automatic_dims ( cls , dims , size ) : if dims is None : dims = size elif np . product ( dims ) != size : raise QiskitError ( "dimensions do not match size." ) if isinstance ( dims , ( int , np . integer ) ) : num_qubits = int ( np . log2 ( dims ) ) if 2 ** num_qubits == size : return num_qubits * ( 2 , ) return ( dims , ) return tuple ( dims )
Check if input dimension corresponds to qubit subsystems.
Check if input dimension corresponds to qubit subsystems .