from projectq import MainEngine from projectq.backends import CircuitDrawer import teleport if __name__ == "__main__": # create a main compiler engine with a simulator backend: drawing_engine = CircuitDrawer() locations = {0: 1, 1: 2, 2: 0} drawing_engine.set_qubit_locations(locations) eng = MainEngine(drawing_engine) # we just want to draw the teleportation circuit def create_state(eng, qb): pass # run the teleport and then, let Bob try to uncompute his qubit: teleport.run_teleport(eng, create_state, verbose=False) # print latex code to draw the circuit: print(drawing_engine.get_latex())
def zoo_profile(): """Generate and display the zoo of quantum gates.""" # create a main compiler engine with a drawing backend drawing_engine = CircuitDrawer() locations = {0: 1, 1: 2, 2: 0, 3: 3} drawing_engine.set_qubit_locations(locations) main_eng = MainEngine(drawing_engine) qureg = main_eng.allocate_qureg(4) # define a zoo of gates te_gate = TimeEvolution(0.5, 0.1 * QubitOperator('X0 Y2')) def add(x, y): return x, y + 1 zoo = [ (X, 3), (Y, 2), (Z, 0), (Rx(0.5), 2), (Ry(0.5), 1), (Rz(0.5), 1), (Ph(0.5), 0), (S, 3), (T, 2), (H, 1), (Toffoli, (0, 1, 2)), (Barrier, None), (Swap, (0, 3)), (SqrtSwap, (0, 1)), (get_inverse(SqrtSwap), (2, 3)), (SqrtX, 2), (C(get_inverse(SqrtX)), (0, 2)), (C(Ry(0.5)), (2, 3)), (CNOT, (2, 1)), (Entangle, None), (te_gate, None), (QFT, None), (Tensor(H), None), (BasicMathGate(add), (2, 3)), (All(Measure), None), ] # apply them for gate, pos in zoo: if pos is None: gate | qureg elif isinstance(pos, tuple): gate | tuple(qureg[i] for i in pos) else: gate | qureg[pos] main_eng.flush() # generate latex code to draw the circuit s = drawing_engine.get_latex() prefix = 'zoo' with open('{}.tex'.format(prefix), 'w') as f: f.write(s) # compile latex source code and open pdf file os.system('pdflatex {}.tex'.format(prefix)) openfile('{}.pdf'.format(prefix))