def test_multiqubit_permutation_rules(linkedlist, eng):
rules = BasePermutationRules(linkedlist)
qureg = eng.allocate_qureg(4)
reg1 = qureg[:-1]
reg2 = qureg[1:]
H = projectq.ops.QubitOperator
T = projectq.ops.send_time_evolution
left = T(-cmath.pi / 4, H("X0 Z1 Z2"))
right = T(-cmath.pi / 4, H("Z0 Z1 Y2"))
linkedlist.push_back(left.generate_command(reg1))
linkedlist.push_back(right.generate_command(reg2))
print(linkedlist.head.data)
print(linkedlist.back.data)
rules.permute(linkedlist.head, linkedlist.back)
print(linkedlist.head.data)
print(linkedlist.back.data)
assert (linkedlist.head.data.gate.time == -cmath.pi / 4)
assert (linkedlist.back.data.gate.time == -cmath.pi / 4)
# TODO: write more checks for multi qubit operators
return
def test_H_X_different_targets(linkedlist, eng):
rules = BasePermutationRules(linkedlist)
qureg = eng.allocate_qureg(3)
H = projectq.ops.H
Rx = projectq.ops.X
linkedlist.push_back(H.generate_command(qureg[0]))
linkedlist.push_back(Rx.generate_command(qureg[1]))
rules.permute(linkedlist.head, linkedlist.back)
assert (isinstance(linkedlist.head.data.gate, projectq.ops.Rx))
assert (linkedlist.back.data.gate == H)
return
def test_Rzpi2_Rxpi(linkedlist, eng):
rules = BasePermutationRules(linkedlist)
qureg = eng.allocate_qureg(3)
Rz = projectq.ops.Rz(cmath.pi / 2)
Rx = projectq.ops.Rx(cmath.pi)
linkedlist.push_back(Rz.generate_command(qureg[0]))
linkedlist.push_back(Rx.generate_command(qureg[0]))
rules.permute(linkedlist.head, linkedlist.back)
assert (isinstance(linkedlist.head.data.gate, projectq.ops.Rx))
assert (isinstance(linkedlist.back.data.gate, projectq.ops.Rz))
assert (abs(linkedlist.back.data.gate.angle -
(4 * cmath.pi - cmath.pi / 2)) < _PRECISION)
return