shor_encode(reg);
cout << "x bit corruption on bit 8"<< endl;
(x,i,i,i,i,i,i,i,i).apply_gate_to(reg); // mess up the high order bit
shor_decode(reg); // try to decode the register
cout << "state: "<< trans(reg.state_vector());
shor_encode(reg);
cout << "x bit corruption on bit 1"<< endl;
(i,i,i,i,i,i,i,x,i).apply_gate_to(reg);
shor_decode(reg);
cout << "state: "<< trans(reg.state_vector());
shor_encode(reg);
cout << "z bit corruption on bit 8"<< endl;
(z,i,i,i,i,i,i,i,i).apply_gate_to(reg);
shor_decode(reg);
cout << "state: "<< trans(reg.state_vector());
cout << "\nThe state of the input qubit survived all the corruptions in tact so the code works."<< endl;
}
编译的方法如下：
Ubuntu:
g++ -std=c++11 -O3 -o quantum_computing_ex quantum_computing_ex.cpp -l dlib -l cblas
macOS:
g++ -std=c++11 -O3 -o quantum_computing_ex quantum_computing_ex.cpp (pkg-config --cflags --libs dlib-1) -l cblas