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s04_rotcircuit_ibmq.py
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s04_rotcircuit_ibmq.py
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#
# Copyright 2018 the original author or authors.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
from qiskit import QuantumCircuit, ClassicalRegister, QuantumRegister
# from qiskit import available_backends, execute
from math import *
import numpy as np
def compute_circuit(angles_vector_in_degrees_str, q, c, qc):
rotation_deg_of_freedom = 6
a = [0] * rotation_deg_of_freedom
for i in range(rotation_deg_of_freedom):
a[i] = radians(float(angles_vector_in_degrees_str[i]))
# Passed in from calling program
# q = QuantumRegister(3)
# qc = QuantumCircuit(q, c)
# CD rotation
qc.x(q[1])
qc.cx(q[1], q[0])
qc.u3(-a[0], 0, 0, q[0])
qc.cx(q[1], q[0])
qc.u3(a[0], 0, 0, q[0])
qc.x(q[1])
# CE rotation
qc.x(q[0])
qc.h(q[0])
qc.h(q[1])
qc.cx(q[1], q[0])
qc.u3(a[1], 0, 0, q[1])
qc.cx(q[1], q[0])
qc.h(q[0])
qc.h(q[1])
qc.u3(a[1], 0, 0, q[1])
qc.x(q[0])
# CF rotation
qc.x(q[0])
qc.h(q[0])
qc.h(q[1])
qc.cx(q[1], q[0])
qc.h(q[0])
qc.h(q[1])
qc.x(q[0])
qc.cx(q[1], q[0])
qc.u3(-a[2], 0, 0, q[0])
qc.cx(q[1], q[0])
qc.u3(a[2], 0, 0, q[0])
qc.x(q[0])
qc.h(q[0])
qc.h(q[1])
qc.cx(q[1], q[0])
qc.h(q[0])
qc.h(q[1])
qc.x(q[0])
# DE rotation
qc.cx(q[1], q[0])
qc.h(q[0])
qc.h(q[1])
qc.cx(q[1], q[0])
qc.u3(a[3], 0, 0, q[1])
qc.cx(q[1], q[0])
qc.h(q[0])
qc.h(q[1])
qc.u3(a[3], 0, 0, q[1])
qc.cx(q[1], q[0])
# DF rotation
qc.h(q[0])
qc.h(q[1])
qc.cx(q[1], q[0])
qc.u3(a[4], 0, 0, q[1])
qc.cx(q[1], q[0])
qc.h(q[0])
qc.h(q[1])
qc.u3(a[4], 0, 0, q[1])
# EF rotation
qc.cx(q[1], q[0])
qc.u3(-a[5], 0, 0, q[0])
qc.cx(q[1], q[0])
qc.u3(a[5], 0, 0, q[0])
qc.measure(q, c)
return qc