Quantum Computing, Qiskit, Fourier Transform, Addition.
n, pie): """ Performs the inverse quantum Fourier transform on a register reg. Apply repeated phase rotations with parameters being pi divided by decreasing powers of two, and then apply a Hadamard gate to the nth qubit of the register reg. """ for i in range(0, n): qc.cu1(-1*pie/float(2**(n-i)),